| 484-200 | Chester Springs | Landline | Atx Telecommunications Services |
| 484-201 | Coatesville | Wireless | Sprint Spectrum |
| 484-202 | Chester Springs | Landline | Global Crossing Local Services |
| 484-203 | Chester Springs | Landline | Level 3 Communications |
| 484-204 | Chester Springs | Landline | XO Communications |
| 484-205 | Norristown | Landline | Cavalier Telephone Mid-atlantic |
| 484-207 | Chester Springs | Landline | Netcarrier Telecom |
| 484-208 | Chester Springs | Landline | Rcn Telecom Services Of Pennsylvania |
| 484-209 | Chester Springs | Landline | Onvoy |
| 484-212 | Glenmoore | Landline | Telcove Of Eastern Pennsylvania |
| 484-213 | Norristown | Wireless | Sprint Spectrum |
| 484-214 | Allentown | Landline | Onvoy |
| 484-215 | Allentown | Wireless | Omnipoint Communications Enterprises |
| 484-216 | Paoli | Landline | Paetec Communications |
| 484-217 | New Tripoli | Landline | Service Electric Telephone Company |
| 484-218 | Bernville | Landline | Bandwidth.com |
| 484-219 | Reading | Wireless | Sprint Spectrum |
| 484-220 | Reading | Landline | Paetec Communications |
| 484-221 | Allentown | Landline | Sprint Spectrum |
| 484-222 | Villanova | Wireless | Sprint Spectrum |
| 484-223 | Allentown | Landline | Choice One Communications |
| 484-224 | Allentown | Landline | Level 3 Communications |
| 484-225 | Allentown | Wireless | Verizon |
| 484-226 | Allentown | Landline | Cavalier Telephone Llc (mid-atlantic) |
| 484-227 | Wallingford | Landline | XO Communications |
| 484-228 | Glenmoore | Landline | Telcove Of Eastern Pennsylvania |
| 484-229 | Allentown | Landline | Onvoy |
| 484-230 | Exton | Landline | Verizon |
| 484-231 | Norristown | Landline | Telcove Of Eastern Pennsylvania |
| 484-232 | Emmaus | Landline | Verizon |
| 484-233 | West Chester | Landline | Telcove Of Eastern Pennsylvania |
| 484-234 | Wallingford | Landline | Cavalier Telephone Mid-atlantic |
| 484-235 | Norristown | Landline | Cavalier Telephone Mid-atlantic |
| 484-236 | Douglassville | Landline | Core Communications |
| 484-237 | Thorndale | Landline | Telcove Of Eastern Pennsylvania |
| 484-238 | Plymouth Meeting | Landline | Verizon |
| 484-239 | Allentown | Wireless | Sprint Spectrum |
| 484-240 | Catasauqua | Landline | Atx Telecommunications Services |
| 484-241 | Bethlehem | Wireless | Verizon |
| 484-242 | Bethlehem | Landline | Verizon |
| 484-243 | Wayne | Landline | Teleport Communications America |
| 484-244 | Allentown | Landline | XO Communications |
| 484-245 | Catasauqua | Landline | Choice One Communications |
| 484-246 | Catasauqua | Landline | Cavalier Telephone Llc (mid-atlantic) |
| 484-247 | Thorndale | Landline | Telcove Of Eastern Pennsylvania |
| 484-248 | Leesport | Landline | Commonwealth Telephone Company |
| 484-249 | Catasauqua | Landline | Onvoy |
| 484-250 | Norristown | Landline | Telcove Of Eastern Pennsylvania |
| 484-251 | Upper Darby | Landline | Cavalier Telephone Mid-atlantic |
| 484-252 | West Chester | Wireless | Sprint Spectrum |
| 484-253 | Norristown | Landline | Level 3 Communications |
| 484-254 | Wayne | Landline | Teleport Communications America |
| 484-255 | Norristown | Wireless | Sprint Spectrum |
| 484-256 | Reading | Wireless | Sprint Spectrum |
| 484-257 | Philadelphia | Landline | US Lec Of Pennsylvania |
| 484-258 | Birdsboro | Landline | Windstream D & E Systems |
| 484-259 | West Chester | Landline | Paetec Communications |
| 484-261 | Slatington | Landline | Onvoy |
| 484-262 | Slatington | Landline | Telcove Of Eastern Pennsylvania |
| 484-263 | Slatington | Landline | Atx Telecommunications Services |
| 484-264 | Allentown | Wireless | New Cingular Wireless |
| 484-265 | Slatington | Landline | Choice One Communications |
| 484-266 | West Chester | Landline | Comcast Ip Phone |
| 484-268 | Allentown | Wireless | Omnipoint Communications Enterprises |
| 484-269 | Reading | Wireless | Verizon |
| 484-270 | Philadelphia | Landline | US Lec Of Pennsylvania |
| 484-271 | Northampton | Landline | Paetec Communications |
| 484-272 | Northampton | Landline | Telcove Of Eastern Pennsylvania |
| 484-273 | Allentown | Landline | Mcimetro Access Transmission Services |
| 484-274 | Allentown | Wireless | New Cingular Wireless |
| 484-275 | Northampton | Landline | Atx Telecommunications Services |
| 484-277 | Leesport | Landline | Commonwealth Telephone Company |
| 484-278 | Philadelphia | Landline | Level 3 Communications |
| 484-279 | Northampton | Landline | Onvoy |
| 484-280 | Allentown | Wireless | Verizon |
| 484-281 | Bath | Landline | Rcn Telecom Services Of Pennsylvania |
| 484-282 | Coopersburg | Landline | Telcove Of Eastern Pennsylvania |
| 484-283 | West Grove | Landline | Telcove Of Eastern Pennsylvania |
| 484-284 | Bath | Landline | Atx Telecommunications Services |
| 484-285 | Bath | Landline | Choice One Communications |
| 484-287 | Bath | Landline | Service Electric Telephone Company |
| 484-288 | Coatesville | Landline | Atx Telecommunications Services |
| 484-289 | Bath | Landline | Onvoy |
| 484-290 | Kutztown | Landline | Teleport Communications America |
| 484-291 | Nazareth | Landline | Atx Telecommunications Services |
| 484-292 | Nazareth | Landline | Telcove Of Eastern Pennsylvania |
| 484-293 | Nazareth | Landline | Choice One Communications |
| 484-294 | Allentown | Wireless | Verizon |
| 484-295 | Birdsboro | Landline | Core Communications |
| 484-297 | Wynnewood | Landline | Telcove Of Eastern Pennsylvania |
| 484-298 | Nazareth | Landline | Service Electric Telephone Company |
| 484-299 | Nazareth | Landline | Onvoy |
| 484-300 | Pottstown | Wireless | Sprint Spectrum |
| 484-301 | West Chester | Landline | Telcove Of Eastern Pennsylvania |
| 484-302 | Phoenixville | Wireless | Sprint Spectrum |
| 484-304 | Topton | Landline | Core Communications |
| 484-305 | Upper Black Eddy | Landline | Service Electric Telephone Company |
| 484-307 | West Chester | Landline | XO Communications |
| 484-308 | Riegelsville | Landline | Service Electric Telephone Company |
| 484-309 | Upper Black Eddy | Landline | Cavalier Telephone Llc (mid-atlantic) |
| 484-310 | Riegelsville | Landline | Onvoy |
| 484-312 | Upper Black Eddy | Landline | Telcove Of Eastern Pennsylvania |
| 484-313 | West Chester | Landline | Netcarrier Telecom |
| 484-314 | Riegelsville | Landline | Telcove Of Eastern Pennsylvania |
| 484-315 | West Chester | Landline | Global Crossing Local Services |
| 484-316 | Riegelsville | Landline | Atx Telecommunications Services |
| 484-317 | Reading | Landline | Core Communications |
| 484-318 | Paoli | Wireless | Sprint Spectrum |
| 484-319 | West Chester | Wireless | Sprint Spectrum |
| 484-320 | Paoli | Landline | Mcimetro Access Transmission Services |
| 484-321 | Paoli | Landline | Bandwidth.com |
| 484-322 | Norristown | Landline | Verizon |
| 484-323 | Paoli | Landline | Level 3 Communications |
| 484-324 | Paoli | Landline | Level 3 Communications |
| 484-325 | Paoli | Landline | Sprint Spectrum |
| 484-326 | Wallingford | Wireless | Sprint Spectrum |
| 484-327 | Paoli | Landline | Cavalier Telephone Llc (mid-atlantic) |
| 484-328 | Paoli | Landline | Global Crossing Local Services |
| 484-329 | Paoli | Landline | Paetec Communications |
| 484-330 | Slatington | Wireless | Sprint Spectrum |
| 484-331 | Reading | Landline | Broadwing Communications |
| 484-332 | Reading | Wireless | Verizon |
| 484-333 | Reading | Wireless | Limitless Mobile |
| 484-334 | Reading | Landline | Level 3 Communications |
| 484-335 | Reading | Landline | Global Crossing Local Services |
| 484-337 | Villanova | Landline | XO Communications |
| 484-338 | Reading | Landline | Verizon |
| 484-339 | Reading | Landline | Onvoy |
| 484-340 | Coatesville | Landline | Telcove Of Eastern Pennsylvania |
| 484-341 | Glenmoore | Landline | Global Crossing Local Services |
| 484-342 | Plymouth Meeting | Landline | Cavalier Telephone Mid-atlantic |
| 484-343 | Narberth | Wireless | New Cingular Wireless |
| 484-344 | Plymouth Meeting | Landline | Verizon |
| 484-345 | Reading | Wireless | Verizon |
| 484-347 | Allentown | Wireless | Omnipoint Communications Enterprises |
| 484-348 | Glenmoore | Landline | Atx Telecommunications Services |
| 484-349 | Glenmoore | Landline | Onvoy |
| 484-350 | Allentown | Wireless | Omnipoint Communications Enterprises |
| 484-351 | Philadelphia | Landline | XO Communications |
| 484-352 | Media | Landline | Cavalier Telephone Mid-atlantic |
| 484-353 | Bethlehem | Wireless | T-Mobile |
| 484-354 | Allentown | Wireless | New Cingular Wireless |
| 484-355 | Reading | Landline | XO Communications |
| 484-356 | West Chester | Landline | Verizon |
| 484-357 | Allentown | Wireless | Sprint Spectrum |
| 484-358 | Allentown | Wireless | Omnipoint Communications Enterprises |
| 484-359 | Glenmoore | Landline | Level 3 Communications |
| 484-360 | Birdsboro | Landline | Windstream Conestoga |
| 484-361 | Woodlyn | Landline | Cavalier Telephone Mid-atlantic |
| 484-362 | Fort Washington | Landline | Level 3 Communications |
| 484-363 | Pottstown | Landline | Rcn Telecom Services Of Pennsylvania |
| 484-364 | Thorndale | Wireless | Sprint Spectrum |
| 484-365 | Oxford | Landline | Level 3 Communications |
| 484-366 | Pottstown | Landline | New Cingular Wireless |
| 484-367 | Philadelphia | Landline | XO Communications |
| 484-368 | Plymouth Meeting | Wireless | Sprint Spectrum |
| 484-369 | Royersford | Wireless | Sprint Spectrum |
| 484-370 | Plymouth Meeting | Landline | Comcast Ip Phone |
| 484-371 | West Grove | Landline | Level 3 Communications |
| 484-372 | West Grove | Landline | Atx Telecommunications Services |
| 484-373 | Easton | Landline | Verizon |
| 484-374 | Pottstown | Landline | Ctsi |
| 484-375 | Allentown | Landline | XO Communications |
| 484-376 | Toughkenamon | Landline | Cavalier Telephone Llc (mid-atlantic) |
| 484-377 | Philadelphia | Landline | XO Communications |
| 484-378 | Coatesville | Landline | Block Line Systems |
| 484-379 | Bethlehem | Landline | Onvoy |
| 484-380 | Villanova | Landline | Core Communications |
| 484-381 | Philadelphia | Landline | Level 3 Communications |
| 484-382 | Philadelphia | Landline | Global Crossing Local Services |
| 484-383 | Philadelphia | Landline | Level 3 Communications |
| 484-384 | Philadelphia | Landline | Paetec Communications |
| 484-385 | Philadelphia | Landline | US Lec Of Pennsylvania |
| 484-386 | Villanova | Landline | Atx Telecommunications Services |
| 484-387 | Allentown | Landline | Rcn Telecom Services Of Pennsylvania |
| 484-388 | Reading | Wireless | Verizon |
| 484-390 | Wayne | Landline | Core Communications |
| 484-391 | Wayne | Landline | Paetec Communications |
| 484-393 | Wayne | Landline | Rcn Telecom Services Of Pennsylvania |
| 484-394 | Wayne | Landline | Level 3 Communications |
| 484-395 | Paoli | Landline | Broadview Networks |
| 484-396 | Wayne | Landline | Global Crossing Local Services |
| 484-397 | Allentown | Landline | XO Communications |
| 484-398 | Wayne | Landline | Atx Telecommunications Services |
| 484-399 | Wayne | Landline | Rcn Telecom Services Of Pennsylvania |
| 484-400 | Reading | Wireless | Limitless Mobile |
| 484-401 | West Chester | Wireless | New Cingular Wireless |
| 484-402 | West Chester | Wireless | New Cingular Wireless |
| 484-403 | Bethlehem | Landline | Mcimetro Access Transmission Services |
| 484-404 | Bangor | Landline | Core Communications |
| 484-405 | Boyertown | Landline | Core Communications |
| 484-406 | Landenberg | Landline | Cavalier Telephone Llc (mid-atlantic) |
| 484-407 | Douglassville | Landline | Core Communications |
| 484-408 | Allentown | Landline | Bandwidth.com |
| 484-409 | Landenberg | Landline | Onvoy |
| 484-410 | Philadelphia | Wireless | Sprint Spectrum |
| 484-412 | Philadelphia | Landline | US Lec Of Pennsylvania |
| 484-413 | Wynnewood | Landline | Cavalier Telephone Llc (mid-atlantic) |
| 484-414 | Wynnewood | Landline | Rcn Telecom Services Of Pennsylvania |
| 484-415 | Boyertown | Landline | Comcast Ip Phone |
| 484-416 | Wynnewood | Landline | Bandwidth.com |
| 484-417 | Philadelphia | Landline | Paetec Communications |
| 484-418 | Philadelphia | Landline | Global Crossing Local Services |
| 484-419 | Philadelphia | Landline | Level 3 Communications |
| 484-420 | Philadelphia | Landline | Paetec Communications |
| 484-421 | Newtown Square | Landline | Cavalier Telephone Llc (mid-atlantic) |
| 484-423 | Philadelphia | Landline | Level 3 Communications |
| 484-424 | Villanova | Landline | US Lec Of Pennsylvania |
| 484-425 | Allentown | Wireless | Verizon |
| 484-426 | Allentown | Landline | XO Communications |
| 484-427 | Philadelphia | Landline | Level 3 Communications |
| 484-428 | Philadelphia | Landline | Global Crossing Local Services |
| 484-429 | Narberth | Landline | Bandwidth.com |
| 484-430 | Bala Cynwyd | Landline | Mcimetro Access Transmission Services |
| 484-431 | Narberth | Wireless | New Cingular Wireless |
| 484-432 | Narberth | Wireless | New Cingular Wireless |
| 484-433 | Narberth | Wireless | New Cingular Wireless |
| 484-434 | Philadelphia | Landline | Paetec Communications |
| 484-435 | Narberth | Landline | Onvoy |
| 484-436 | Philadelphia | Landline | Level 3 Communications |
| 484-437 | Narberth | Wireless | New Cingular Wireless |
| 484-438 | Narberth | Landline | Cavalier Telephone Llc (mid-atlantic) |
| 484-439 | Philadelphia | Landline | Global Crossing Local Services |
| 484-440 | Wallingford | Landline | Rcn Telecom Services Of Pennsylvania |
| 484-441 | Philadelphia | Landline | Global Crossing Local Services |
| 484-442 | Wallingford | Landline | Atx Telecommunications Services |
| 484-443 | Wallingford | Landline | Level 3 Communications |
| 484-444 | Wallingford | Landline | Verizon |
| 484-445 | Wallingford | Landline | Netcarrier Telecom |
| 484-446 | Philadelphia | Landline | Level 3 Communications |
| 484-447 | Pottstown | Wireless | Verizon |
| 484-448 | Philadelphia | Landline | Paetec Communications |
| 484-450 | Philadelphia | Landline | XO Communications |
| 484-451 | Philadelphia | Landline | US Lec Of Pennsylvania |
| 484-452 | Upper Darby | Landline | Rcn Telecom Services Of Pennsylvania |
| 484-453 | Upper Darby | Landline | Onvoy |
| 484-454 | Upper Darby | Landline | Atx Telecommunications Services |
| 484-455 | Philadelphia | Landline | Paetec Communications |
| 484-456 | Bethlehem | Landline | Level 3 Communications |
| 484-458 | Philadelphia | Landline | Global Crossing Local Services |
| 484-459 | West Chester | Wireless | Verizon |
| 484-460 | Allentown | Landline | Level 3 Communications |
| 484-461 | Upper Darby | Landline | Rcn Telecom Services Of Pennsylvania |
| 484-462 | Philadelphia | Landline | Paetec Communications |
| 484-463 | Philadelphia | Landline | Global Crossing Local Services |
| 484-464 | Lehighton | Landline | Level 3 Communications |
| 484-466 | Upper Darby | Landline | Netcarrier Telecom |
| 484-467 | West Chester | Wireless | New Cingular Wireless |
| 484-468 | Philadelphia | Landline | US Lec Of Pennsylvania |
| 484-469 | Upper Darby | Landline | Atx Telecommunications Services |
| 484-470 | Wallingford | Landline | Netcarrier Telecom |
| 484-471 | Wallingford | Landline | Cavalier Telephone Llc (mid-atlantic) |
| 484-472 | Philadelphia | Landline | Global Crossing Local Services |
| 484-473 | West Chester | Wireless | Brightlink Communications |
| 484-474 | Wallingford | Landline | Rcn Telecom Services Of Pennsylvania |
| 484-475 | Philadelphia | Landline | Level 3 Communications |
| 484-476 | Haverford | Landline | XO Communications |
| 484-477 | Philadelphia | Landline | Level 3 Communications |
| 484-478 | Wallingford | Landline | Rcn Telecom Services Of Pennsylvania |
| 484-479 | Philadelphia | Landline | Paetec Communications |
| 484-480 | Woodlyn | Landline | Comcast Ip Phone |
| 484-482 | Philadelphia | Landline | Paetec Communications |
| 484-483 | Woodlyn | Landline | Level 3 Communications |
| 484-484 | Bethlehem | Landline | Onvoy |
| 484-485 | Woodlyn | Landline | Rcn Telecom Services Of Pennsylvania |
| 484-487 | Woodlyn | Landline | Rcn Telecom Services Of Pennsylvania |
| 484-488 | Catasauqua | Landline | Teleport Communications America |
| 484-489 | Philadelphia | Landline | Global Crossing Local Services |
| 484-490 | Philadelphia | Landline | US Lec Of Pennsylvania |
| 484-491 | Oley | Landline | Core Communications |
| 484-492 | Norwood | Landline | Cavalier Telephone Llc (mid-atlantic) |
| 484-493 | Philadelphia | Landline | Global Crossing Local Services |
| 484-494 | Norwood | Landline | Rcn Telecom Services Of Pennsylvania |
| 484-496 | Philadelphia | Landline | Paetec Communications |
| 484-497 | Norwood | Landline | Bandwidth.com |
| 484-498 | Philadelphia | Landline | US Lec Of Pennsylvania |
| 484-499 | Philadelphia | Landline | Commonwealth Telephone Company |
| 484-500 | Spring City | Landline | Voxbeam Telecommunications Inc. |
| 484-501 | Plymouth Meeting | Wireless | Verizon |
| 484-502 | West Chester | Wireless | New Cingular Wireless |
| 484-503 | Easton | Landline | XO Communications |
| 484-504 | Kutztown | Landline | Service Electric Telephone Company |
| 484-505 | Allentown | Landline | Verizon |
| 484-506 | Allentown | Landline | Level 3 Communications |
| 484-507 | Fleetwood | Wireless | New Cingular Wireless |
| 484-508 | Landenberg | Landline | Atx Telecommunications Services |
| 484-509 | Reading | Landline | Comcast Ip Phone |
| 484-510 | Bethlehem | Wireless | Brightlink Communications |
| 484-512 | Reading | Wireless | Verizon |
| 484-513 | Reading | Wireless | Pcs One |
| 484-514 | Honey Brook | Landline | Telcove Of Eastern Pennsylvania |
| 484-515 | Allentown | Wireless | New Cingular Wireless |
| 484-516 | Reading | Wireless | New Cingular Wireless |
| 484-517 | Thorndale | Landline | Level 3 Communications |
| 484-518 | Wayne | Landline | XO Communications |
| 484-519 | Emmaus | Landline | Telcove Of Eastern Pennsylvania |
| 484-520 | Birdsboro | Wireless | Sprint Spectrum |
| 484-521 | Philadelphia | Landline | XO Communications |
| 484-522 | Allentown | Landline | Omnipoint Communications Enterprises |
| 484-523 | Allentown | Wireless | Verizon |
| 484-524 | Pottstown | Landline | XO Communications |
| 484-525 | Reading | Wireless | Sprint Spectrum |
| 484-526 | Bethlehem | Landline | XO Communications |
| 484-527 | Paoli | Landline | Cavalier Telephone Mid-atlantic |
| 484-528 | West Chester | Landline | XO Communications |
| 484-529 | Reading | Wireless | Pcs One |
| 484-530 | Plymouth Meeting | Landline | Verizon |
| 484-531 | Philadelphia | Landline | Level 3 Communications |
| 484-532 | Philadelphia | Landline | Global Crossing Local Services |
| 484-533 | Philadelphia | Landline | Paetec Communications |
| 484-534 | Plymouth Meeting | Landline | Level 3 Communications |
| 484-535 | Plymouth Meeting | Landline | Rcn Telecom Services Of Pennsylvania |
| 484-536 | Easton | Landline | XO Communications |
| 484-537 | Plymouth Meeting | Landline | Cavalier Telephone Llc (mid-atlantic) |
| 484-538 | Allentown | Wireless | Sprint Spectrum |
| 484-539 | Plymouth Meeting | Landline | Netcarrier Telecom |
| 484-540 | Glenolden | Landline | Mcimetro Access Transmission Services |
| 484-541 | Easton | Landline | Telcove Of Eastern Pennsylvania |
| 484-542 | Easton | Wireless | Omnipoint Communications Enterprises |
| 484-543 | Robesonia | Landline | Peerless Network Of Pennsylvania |
| 484-544 | Easton | Landline | Level 3 Communications |
| 484-545 | Easton | Landline | Level 3 Communications |
| 484-546 | Easton | Landline | Choice One Communications |
| 484-547 | Allentown | Landline | Telcove Of Eastern Pennsylvania |
| 484-548 | Easton | Landline | Atx Telecommunications Services |
| 484-549 | Easton | Landline | Onvoy |
| 484-550 | Allentown | Wireless | Sprint Spectrum |
| 484-551 | West Chester | Landline | XO Communications |
| 484-552 | Schwenksville | Landline | Telcove Of Eastern Pennsylvania |
| 484-553 | Allentown | Wireless | Verizon |
| 484-554 | Bethlehem | Wireless | Sprint Spectrum |
| 484-556 | Glenmoore | Landline | Cavalier Telephone Llc (mid-atlantic) |
| 484-557 | Wayne | Wireless | Omnipoint Communications Enterprises |
| 484-558 | Glenmoore | Landline | Atx Telecommunications Services |
| 484-559 | Glenmoore | Landline | Onvoy |
| 484-560 | Allentown | Wireless | New Cingular Wireless |
| 484-561 | Allentown | Wireless | Omnipoint Communications Enterprises |
| 484-562 | Narberth | Landline | Cavalier Telephone Mid-atlantic |
| 484-563 | Norristown | Landline | Level 3 Communications |
| 484-564 | West Chester | Landline | XO Communications |
| 484-565 | Paoli | Landline | XO Communications |
| 484-566 | Plymouth Meeting | Wireless | Verizon |
| 484-567 | Philadelphia | Landline | US Lec Of Pennsylvania |
| 484-568 | Paoli | Landline | Cavalier Telephone Mid-atlantic |
| 484-569 | Coatesville | Wireless | Omnipoint Communications Enterprises |
| 484-571 | Narberth | Wireless | Sprint Spectrum |
| 484-572 | Wynnewood | Landline | Cavalier Telephone Mid-atlantic |
| 484-573 | Wallingford | Landline | Cavalier Telephone Mid-atlantic |
| 484-574 | Glen Mills | Wireless | Verizon |
| 484-575 | Fleetwood | Landline | Telcove Of Eastern Pennsylvania |
| 484-576 | Plymouth Meeting | Wireless | Sprint Spectrum |
| 484-577 | Reading | Wireless | Verizon |
| 484-578 | Fleetwood | Landline | Atx Telecommunications Services |
| 484-580 | Wayne | Landline | Core Communications |
| 484-581 | Philadelphia | Landline | Paetec Communications |
| 484-582 | Wayne | Landline | Verizon |
| 484-583 | Wayne | Landline | Mcimetro Access Transmission Services |
| 484-584 | Wayne | Landline | Rcn Telecom Services Of Pennsylvania |
| 484-585 | Philadelphia | Landline | Global Crossing Local Services |
| 484-586 | Wayne | Landline | Cavalier Telephone Llc (mid-atlantic) |
| 484-587 | Pottstown | Wireless | New Cingular Wireless |
| 484-588 | Philadelphia | Landline | Level 3 Communications |
| 484-589 | Thornton | Landline | Peerless Network Of Pennsylvania |
| 484-590 | Philadelphia | Landline | Level 3 Communications |
| 484-591 | Easton | Wireless | Omnipoint Communications Enterprises |
| 484-592 | Villanova | Landline | Cavalier Telephone Mid-atlantic |
| 484-593 | Thorndale | Landline | Comcast Ip Phone |
| 484-594 | Plymouth Meeting | Landline | Netcarrier Telecom |
| 484-595 | Paoli | Landline | Verizon |
| 484-596 | Paoli | Landline | XO Communications |
| 484-597 | Whitehall | Wireless | Omnipoint Communications Enterprises |
| 484-598 | Wayne | Landline | Atx Telecommunications Services |
| 484-599 | Reading | Wireless | Verizon |
| 484-600 | Kempton | Landline | Voxbeam Telecommunications Inc. |
| 484-601 | New Tripoli | Landline | Telcove Of Eastern Pennsylvania |
| 484-602 | Allentown | Wireless | New Cingular Wireless |
| 484-603 | Norristown | Landline | Level 3 Communications |
| 484-604 | West Chester | Landline | XO Communications |
| 484-605 | West Chester | Landline | Global Crossing Local Services |
| 484-607 | West Chester | Landline | Netcarrier Telecom |
| 484-608 | West Chester | Landline | Atx Telecommunications Services |
| 484-612 | Philadelphia | Landline | XO Communications |
| 484-613 | Lehighton | Landline | Bandwidth.com |
| 484-614 | Wayne | Wireless | Sprint Spectrum |
| 484-615 | Paoli | Landline | Ctc Communications |
| 484-616 | Robesonia | Landline | US Lec Of Pennsylvania |
| 484-617 | Phoenixville | Landline | Brightlink Communications |
| 484-618 | Paoli | Landline | Teleport Communications America |
| 484-619 | Allentown | Wireless | Omnipoint Communications Enterprises |
| 484-620 | Wayne | Wireless | Omnipoint Communications Enterprises |
| 484-621 | Philadelphia | Landline | XO Communications |
| 484-622 | Norristown | Landline | Verizon |
| 484-623 | Slatington | Landline | Level 3 Communications |
| 484-624 | Pottstown | Landline | Teleport Communications America |
| 484-625 | Philadelphia | Landline | XO Communications |
| 484-626 | Bethlehem | Landline | Bandwidth.com |
| 484-627 | Easton | Wireless | Omnipoint Communications Enterprises |
| 484-628 | Reading | Landline | XO Communications |
| 484-629 | Lehighton | Wireless | Sprint Spectrum |
| 484-630 | West Chester | Landline | Bandwidth.com |
| 484-631 | West Chester | Landline | XO Communications |
| 484-632 | Allentown | Wireless | New Cingular Wireless |
| 484-633 | Allentown | Landline | XO Communications |
| 484-634 | Allentown | Landline | Verizon |
| 484-635 | Bethlehem | Wireless | Sprint Spectrum |
| 484-636 | Fort Washington | Landline | XO Communications |
| 484-637 | Fleetwood | Landline | XO Communications |
| 484-638 | Reading | Landline | Sprint Spectrum |
| 484-639 | West Chester | Landline | Telcove Of Eastern Pennsylvania |
| 484-640 | Allentown | Wireless | Omnipoint Communications Enterprises |
| 484-642 | Kutztown | Landline | Onvoy |
| 484-643 | West Grove | Landline | Netcarrier Telecom |
| 484-644 | Pottstown | Wireless | Sprint Spectrum |
| 484-645 | Paoli | Wireless | Sprint Spectrum |
| 484-646 | Kutztown | Landline | Telcove Of Eastern Pennsylvania |
| 484-647 | Kutztown | Landline | Telcove Of Eastern Pennsylvania |
| 484-648 | Kutztown | Landline | Atx Telecommunications Services |
| 484-649 | Allentown | Landline | Ctsi |
| 484-650 | Reading | Wireless | Verizon |
| 484-651 | Reading | Landline | Rcn Telecom Services Of Pennsylvania |
| 484-652 | Philadelphia | Landline | XO Communications |
| 484-653 | West Chester | Landline | US Lec Of Pennsylvania |
| 484-654 | Philadelphia | Landline | US Lec Of Pennsylvania |
| 484-655 | Allentown | Wireless | Verizon |
| 484-656 | Allentown | Landline | Service Electric Telephone Company |
| 484-657 | Coatesville | Wireless | Omnipoint Communications Enterprises |
| 484-658 | Allentown | Landline | Level 3 Communications |
| 484-659 | Reading | Landline | XO Communications |
| 484-660 | Hamburg | Landline | Telcove Of Eastern Pennsylvania |
| 484-661 | Allentown | Landline | Ctsi |
| 484-662 | Hamburg | Landline | Cavalier Telephone Llc (mid-atlantic) |
| 484-663 | Reading | Wireless | Sprint Spectrum |
| 484-664 | Allentown | Landline | Verizon |
| 484-665 | Hamburg | Landline | Verizon |
| 484-666 | Bethlehem | Landline | Voxbeam Telecommunications Inc. |
| 484-667 | West Grove | Landline | Telcove Of Eastern Pennsylvania |
| 484-668 | Hamburg | Landline | Atx Telecommunications Services |
| 484-669 | Hamburg | Landline | Onvoy |
| 484-671 | Leesport | Landline | Cavalier Telephone Llc (mid-atlantic) |
| 484-673 | Newtown Square | Landline | Bandwidth.com |
| 484-674 | Norristown | Landline | Cavalier Telephone Mid-atlantic |
| 484-676 | Norristown | Landline | Verizon |
| 484-677 | Bangor | Landline | CenturyLink Communications |
| 484-678 | West Chester | Wireless | Verizon |
| 484-679 | Norristown | Landline | Mcimetro Access Transmission Services |
| 484-680 | Norristown | Wireless | New Cingular Wireless |
| 484-681 | Norristown | Landline | Rcn Telecom Services Of Pennsylvania |
| 484-682 | Norristown | Landline | Verizon |
| 484-683 | Plymouth Meeting | Landline | Cavalier Telephone Llc (mid-atlantic) |
| 484-684 | Philadelphia | Landline | Paetec Communications |
| 484-685 | Norristown | Landline | Netcarrier Telecom |
| 484-686 | Norristown | Wireless | Omnipoint Communications Enterprises |
| 484-687 | Philadelphia | Landline | Global Crossing Local Services |
| 484-688 | Philadelphia | Landline | XO Communications |
| 484-689 | Norristown | Landline | Core Communications |
| 484-690 | Philadelphia | Landline | US Lec Of Pennsylvania |
| 484-691 | Thorndale | Landline | Level 3 Communications |
| 484-692 | Thorndale | Landline | Cavalier Telephone Llc (mid-atlantic) |
| 484-693 | Thorndale | Landline | Global Crossing Local Services |
| 484-694 | Thorndale | Landline | XO Communications |
| 484-695 | Allentown | Wireless | New Cingular Wireless |
| 484-696 | Thorndale | Landline | Rcn Telecom Services Of Pennsylvania |
| 484-697 | Fleetwood | Wireless | New Cingular Wireless |
| 484-698 | Thorndale | Landline | Atx Telecommunications Services |
| 484-699 | Thorndale | Landline | Onvoy |
| 484-701 | West Chester | Landline | Verizon |
| 484-702 | Oxford | Landline | Telcove Of Eastern Pennsylvania |
| 484-704 | Plymouth Meeting | Wireless | Verizon |
| 484-705 | Allentown | Wireless | Omnipoint Communications Enterprises |
| 484-706 | Reading | Wireless | New Cingular Wireless |
| 484-707 | Allentown | Landline | New Cingular Wireless |
| 484-708 | Wynnewood | Landline | Atx Telecommunications Services |
| 484-709 | Reading | Wireless | Verizon |
| 484-710 | Kutztown | Landline | Rcn Telecom Services Of Pennsylvania |
| 484-712 | Parkesburg | Landline | Level 3 Communications |
| 484-713 | Exton | Landline | US Lec Of Pennsylvania |
| 484-714 | Allentown | Wireless | New Cingular Wireless |
| 484-715 | Parkesburg | Landline | Onvoy |
| 484-716 | Paoli | Wireless | Omnipoint Communications Enterprises |
| 484-718 | Parkesburg | Landline | Atx Telecommunications Services |
| 484-719 | Allentown | Wireless | New Cingular Wireless |
| 484-720 | Avondale | Landline | Atx Telecommunications Services |
| 484-721 | Reading | Wireless | T-Mobile |
| 484-722 | Honey Brook | Landline | Netcarrier Telecom |
| 484-723 | West Chester | Landline | Broadview Networks |
| 484-724 | Glen Mills | Wireless | New Cingular Wireless |
| 484-725 | Allentown | Wireless | New Cingular Wireless |
| 484-727 | Avondale | Landline | XO Communications |
| 484-728 | Paoli | Landline | Telcove Of Eastern Pennsylvania |
| 484-729 | Avondale | Landline | Onvoy |
| 484-730 | Kennett Square | Landline | Netcarrier Telecom |
| 484-731 | Kennett Square | Landline | XO Communications |
| 484-732 | Kennett Square | Landline | Global Crossing Local Services |
| 484-733 | Kennett Square | Landline | Rcn Telecom Services Of Pennsylvania |
| 484-734 | Kennett Square | Landline | Atx Telecommunications Services |
| 484-735 | Allentown | Wireless | Verizon |
| 484-736 | Toughkenamon | Landline | Cavalier Telephone Llc (mid-atlantic) |
| 484-737 | Kennett Square | Landline | XO Communications |
| 484-738 | Kennett Square | Landline | Level 3 Communications |
| 484-739 | Kennett Square | Landline | Onvoy |
| 484-741 | West Grove | Landline | Level 3 Communications |
| 484-742 | Emmaus | Landline | Bandwidth.com |
| 484-743 | Allentown | Wireless | Omnipoint Communications Enterprises |
| 484-744 | Norristown | Wireless | Omnipoint Communications Enterprises |
| 484-745 | Glen Mills | Wireless | New Cingular Wireless |
| 484-747 | Bethlehem | Landline | Level 3 Communications |
| 484-748 | West Grove | Landline | Atx Telecommunications Services |
| 484-749 | West Grove | Landline | Onvoy |
| 484-750 | Allentown | Landline | Level 3 Communications |
| 484-751 | Norristown | Landline | XO Communications |
| 484-752 | Pottstown | Landline | Local Access |
| 484-753 | West Chester | Landline | New Cingular Wireless |
| 484-754 | Norristown | Landline | Broadview Networks |
| 484-755 | Reading | Wireless | Verizon |
| 484-757 | West Chester | Wireless | New Cingular Wireless |
| 484-758 | Oxford | Landline | Atx Telecommunications Services |
| 484-759 | Oxford | Landline | Onvoy |
| 484-760 | West Chester | Landline | Atx Telecommunications Services |
| 484-762 | Norristown | Landline | Level 3 Communications |
| 484-763 | Allentown | Landline | Ctsi |
| 484-764 | Allentown | Landline | Sprint Spectrum |
| 484-765 | Allentown | Landline | XO Communications |
| 484-766 | Woodlyn | Landline | Level 3 Communications |
| 484-767 | Bethlehem | Wireless | Omnipoint Communications Enterprises |
| 484-768 | Woodlyn | Landline | Atx Telecommunications Services |
| 484-769 | Reading | Wireless | Sprint Spectrum |
| 484-770 | West Chester | Landline | Atx Telecommunications Services |
| 484-771 | West Chester | Landline | XO Communications |
| 484-772 | Reading | Landline | XO Communications |
| 484-773 | Allentown | Landline | Onvoy |
| 484-775 | West Chester | Landline | Global Crossing Local Services |
| 484-777 | Bethlehem | Landline | Service Electric Telephone Company |
| 484-778 | West Chester | Landline | Netcarrier Telecom |
| 484-779 | West Chester | Landline | Onvoy |
| 484-781 | Allentown | Landline | Teleport Communications America |
| 484-782 | Coatesville | Landline | Level 3 Communications |
| 484-783 | Boyertown | Landline | Level 3 Communications |
| 484-784 | Coatesville | Landline | XO Communications |
| 484-785 | Media | Landline | US Lec Of Pennsylvania |
| 484-786 | Coatesville | Landline | Cavalier Telephone Llc (mid-atlantic) |
| 484-787 | West Chester | Wireless | Verizon |
| 484-788 | Allentown | Landline | Ctsi |
| 484-789 | Coatesville | Landline | Onvoy |
| 484-790 | West Chester | Wireless | New Cingular Wireless |
| 484-791 | Royersford | Landline | Telcove Of Eastern Pennsylvania |
| 484-792 | Pottstown | Landline | Telcove Of Eastern Pennsylvania |
| 484-793 | Fleetwood | Landline | Level 3 Communications |
| 484-794 | Reading | Wireless | Pcs One |
| 484-795 | Allentown | Landline | Onvoy |
| 484-796 | Honey Brook | Landline | Cavalier Telephone Llc (mid-atlantic) |
| 484-797 | Reading | Wireless | Sprint Spectrum |
| 484-798 | Honey Brook | Landline | Atx Telecommunications Services |
| 484-799 | Honey Brook | Landline | Onvoy |
| 484-800 | Glen Mills | Landline | Voxbeam Telecommunications Inc. |
| 484-801 | Philadelphia | Landline | Global Crossing Local Services |
| 484-802 | Wayne | Wireless | Omnipoint Communications Enterprises |
| 484-803 | Plymouth Meeting | Wireless | Verizon |
| 484-804 | Philadelphia | Landline | Paetec Communications |
| 484-805 | Norristown | Landline | XO Communications |
| 484-806 | Norristown | Landline | Onvoy |
| 484-808 | Norristown | Landline | Cavalier Telephone Mid-atlantic |
| 484-809 | Allentown | Wireless | New Cingular Wireless |
| 484-810 | Riegelsville | Landline | Level 3 Communications |
| 484-812 | Riegelsville | Landline | Atx Telecommunications Services |
| 484-813 | Toughkenamon | Landline | Atx Telecommunications Services |
| 484-814 | Riegelsville | Landline | Telcove Of Eastern Pennsylvania |
| 484-816 | Woodlyn | Landline | Comcast Ip Phone |
| 484-817 | Riegelsville | Landline | Service Electric Telephone Company |
| 484-818 | Reading | Wireless | Verizon |
| 484-819 | Riegelsville | Landline | Cavalier Telephone Llc (mid-atlantic) |
| 484-820 | Catasauqua | Landline | Bandwidth.com |
| 484-821 | Bethlehem | Landline | Choice One Communications |
| 484-822 | Allentown | Landline | Level 3 Communications |
| 484-823 | Avondale | Landline | Level 3 Communications |
| 484-824 | Reading | Landline | Sprint Spectrum |
| 484-825 | Plymouth Meeting | Wireless | Verizon |
| 484-826 | West Chester | Landline | Verizon |
| 484-827 | Glen Mills | Landline | Ton80 Communications |
| 484-828 | Catasauqua | Wireless | Omnipoint Communications Enterprises |
| 484-829 | Philadelphia | Landline | XO Communications |
| 484-831 | Wayne | Landline | US Lec Of Pennsylvania |
| 484-832 | Media | Wireless | Verizon |
| 484-833 | Upper Black Eddy | Landline | Service Electric Telephone Company |
| 484-834 | Catasauqua | Landline | Level 3 Communications |
| 484-837 | Easton | Landline | Core Communications |
| 484-838 | Allentown | Wireless | New Cingular Wireless |
| 484-839 | Kutztown | Landline | Level 3 Communications |
| 484-840 | Thornton | Landline | Verizon |
| 484-841 | Media | Landline | Level 3 Communications |
| 484-842 | Glen Mills | Landline | Level 3 Communications |
| 484-843 | Media | Landline | Paetec Communications |
| 484-844 | Media | Landline | Rcn Telecom Services Of Pennsylvania |
| 484-845 | Media | Landline | Atx Telecommunications Services |
| 484-846 | Media | Landline | Level 3 Communications |
| 484-848 | Glen Mills | Landline | Cavalier Telephone Llc (mid-atlantic) |
| 484-849 | Media | Landline | Core Communications |
| 484-850 | Plymouth Meeting | Landline | Wide Voice |
| 484-851 | Hellertown | Landline | Rcn Telecom Services Of Pennsylvania |
| 484-852 | Hellertown | Landline | Choice One Communications |
| 484-854 | Schwenksville | Landline | Level 3 Communications |
| 484-855 | Reading | Wireless | Pcs One |
| 484-856 | Hellertown | Landline | Atx Telecommunications Services |
| 484-857 | Kempton | Landline | Telcove Of Eastern Pennsylvania |
| 484-858 | Hellertown | Landline | Telcove Of Eastern Pennsylvania |
| 484-859 | Hellertown | Landline | Onvoy |
| 484-860 | Allentown | Wireless | Sprint Spectrum |
| 484-861 | Allentown | Wireless | New Cingular Wireless |
| 484-862 | Allentown | Wireless | New Cingular Wireless |
| 484-863 | Coopersburg | Landline | Service Electric Telephone Company |
| 484-864 | Plymouth Meeting | Wireless | Verizon |
| 484-865 | Schwenksville | Landline | Level 3 Communications |
| 484-866 | Allentown | Wireless | Verizon |
| 484-867 | Easton | Wireless | Sprint Spectrum |
| 484-868 | Norristown | Wireless | New Cingular Wireless |
| 484-869 | Reading | Landline | Comcast Ip Phone |
| 484-872 | Exton | Landline | Global Crossing Local Services |
| 484-873 | Exton | Landline | Level 3 Communications |
| 484-874 | Exton | Landline | Rcn Telecom Services Of Pennsylvania |
| 484-875 | Exton | Landline | Verizon |
| 484-876 | Exton | Landline | Cavalier Telephone Llc (mid-atlantic) |
| 484-877 | Reading | Wireless | Verizon |
| 484-878 | Reading | Landline | Comcast Ip Phone |
| 484-879 | Exton | Landline | Paetec Communications |
| 484-880 | West Chester | Landline | Level 3 Communications |
| 484-881 | West Chester | Landline | Level 3 Communications |
| 484-882 | West Chester | Landline | Onvoy |
| 484-883 | West Chester | Wireless | Verizon |
| 484-884 | Bethlehem | Landline | Ctsi |
| 484-885 | West Chester | Landline | Paetec Communications |
| 484-886 | West Chester | Landline | Cavalier Telephone Llc (mid-atlantic) |
| 484-887 | West Chester | Landline | Global Crossing Local Services |
| 484-888 | West Chester | Landline | Netcarrier Telecom |
| 484-889 | West Chester | Wireless | Sprint Spectrum |
| 484-891 | Allentown | Landline | Peerless Network Of Pennsylvania |
| 484-892 | Bethlehem | Landline | Paetec Communications |
| 484-893 | Bethlehem | Landline | Atx Telecommunications Services |
| 484-894 | Bethlehem | Wireless | Verizon |
| 484-895 | Bethlehem | Landline | Verizon |
| 484-897 | Landenberg | Landline | Telcove Of Eastern Pennsylvania |
| 484-898 | Bethlehem | Landline | Level 3 Communications |
| 484-899 | West Chester | Landline | Telcove Of Eastern Pennsylvania |
| 484-900 | Toughkenamon | Landline | Voxbeam Telecommunications Inc. |
| 484-901 | Norristown | Landline | Telcove Of Eastern Pennsylvania |
| 484-902 | Schwenksville | Landline | Verizon |
| 484-903 | Easton | Wireless | Sprint Spectrum |
| 484-904 | Plymouth Meeting | Landline | Cavalier Telephone Mid-atlantic |
| 484-905 | West Chester | Landline | Cavalier Telephone Mid-atlantic |
| 484-906 | Philadelphia | Landline | XO Communications |
| 484-907 | Upper Black Eddy | Landline | Level 3 Communications |
| 484-908 | Wallingford | Landline | Atx Telecommunications Services |
| 484-909 | Parkesburg | Landline | Peerless Network Of Pennsylvania |
| 484-910 | Thorndale | Landline | XO Communications |
| 484-912 | Pen Argyl | Landline | CenturyLink Communications |
| 484-913 | Paoli | Landline | US Lec Of Pennsylvania |
| 484-915 | Avondale | Landline | Comcast Ip Phone |
| 484-917 | Bernville | Landline | Onvoy |
| 484-918 | Thorndale | Landline | Atx Telecommunications Services |
| 484-919 | Norristown | Wireless | New Cingular Wireless |
| 484-920 | Phoenixville | Landline | Global Crossing Local Services |
| 484-921 | Phoenixville | Landline | Cavalier Telephone Mid-atlantic |
| 484-922 | Phoenixville | Landline | Onvoy |
| 484-923 | Phoenixville | Landline | Level 3 Communications |
| 484-924 | Phoenixville | Landline | Onvoy |
| 484-925 | Pottstown | Wireless | New Cingular Wireless |
| 484-926 | Reading | Wireless | Pcs One |
| 484-927 | Phoenixville | Landline | Telcove Of Eastern Pennsylvania |
| 484-928 | Phoenixville | Landline | Atx Telecommunications Services |
| 484-929 | Allentown | Landline | Local Access |
| 484-930 | Womelsdorf | Landline | Bandwidth.com |
| 484-931 | Royersford | Landline | Paetec Communications |
| 484-932 | Royersford | Landline | Global Crossing Local Services |
| 484-933 | Royersford | Landline | Onvoy |
| 484-934 | Bethlehem | Wireless | New Cingular Wireless |
| 484-935 | Bethlehem | Wireless | Sprint Spectrum |
| 484-938 | Royersford | Landline | Atx Telecommunications Services |
| 484-939 | Royersford | Landline | Onvoy |
| 484-940 | Pottstown | Landline | Verizon |
| 484-941 | Pottstown | Landline | Ctsi |
| 484-944 | Pottstown | Landline | Level 3 Communications |
| 484-945 | Pottstown | Landline | Windstream D & E Systems |
| 484-946 | Pottstown | Landline | Onvoy |
| 484-947 | West Chester | Landline | Comcast Ip Phone |
| 484-948 | Pottstown | Landline | Atx Telecommunications Services |
| 484-949 | Pottstown | Landline | Paetec Communications |
| 484-951 | Allentown | Wireless | Sprint Spectrum |
| 484-952 | Paoli | Landline | XO Communications |
| 484-953 | Norwood | Landline | Cavalier Telephone Mid-atlantic |
| 484-954 | Allentown | Landline | Wide Voice |
| 484-955 | Reading | Wireless | Sprint Spectrum |
| 484-956 | Wayne | Landline | Cavalier Telephone Mid-atlantic |
| 484-961 | Schwenksville | Landline | Telcove Of Eastern Pennsylvania |
| 484-962 | Schwenksville | Landline | Global Crossing Local Services |
| 484-964 | Schwenksville | Landline | Cavalier Telephone Llc (mid-atlantic) |
| 484-965 | Plymouth Meeting | Wireless | Verizon |
| 484-966 | Bethlehem | Landline | Fractel |
| 484-968 | Schwenksville | Landline | Atx Telecommunications Services |
| 484-969 | Schwenksville | Landline | Onvoy |
| 484-970 | Schwenksville | Landline | Onvoy |
| 484-971 | Schwenksville | Landline | Level 3 Communications |
| 484-973 | Schwenksville | Landline | Global Crossing Local Services |
| 484-974 | Schwenksville | Landline | Paetec Communications |
| 484-975 | Schwenksville | Landline | Atx Telecommunications Services |
| 484-977 | Schwenksville | Landline | Level 3 Communications |
| 484-978 | Schwenksville | Landline | Onvoy |
| 484-979 | Schwenksville | Landline | Rcn Telecom Services Of Pennsylvania |
| 484-983 | West Chester | Landline | Comcast Ip Phone |
| 484-984 | Royersford | Landline | Cavalier Telephone Mid-atlantic |
| 484-985 | Spring City | Landline | Atx Telecommunications Services |
| 484-986 | Spring City | Landline | Cavalier Telephone Llc (mid-atlantic) |
| 484-987 | Reading | Landline | Comcast Ip Phone |
| 484-988 | Philadelphia | Wireless | New Cingular Wireless |
| 484-989 | Spring City | Landline | Onvoy |
| 484-991 | Norristown | Landline | XO Communications |
| 484-992 | Norristown | Landline | Onvoy |
| 484-993 | Norristown | Landline | Atx Telecommunications Services |
| 484-994 | Norristown | Wireless | Sprint Spectrum |
| 484-995 | Paoli | Wireless | Omnipoint Communications Enterprises |
| 484-997 | Norristown | Landline | Global Crossing Local Services |
| 484-999 | West Chester | Landline | Peerless Network Of Pennsylvania |