410-200 | Easton | Landline | Mcimetro Access Transmission Services |
410-202 | Salisbury | Landline | Verizon |
410-203 | Ellicott City | Landline | Verizon |
410-204 | Halethorpe | Landline | Verizon |
410-205 | Pikesville | Landline | New Cingular Wireless |
410-206 | Catonsville | Wireless | New Cingular Wireless |
410-207 | Baltimore | Wireless | Verizon |
410-208 | Berlin | Landline | Verizon |
410-209 | Baltimore | Landline | Verizon |
410-210 | Salisbury | Wireless | Verizon |
410-212 | Annapolis | Wireless | Sprint Spectrum |
410-213 | Ocean City | Landline | Verizon |
410-214 | Rising Sun | Landline | Core Communications |
410-215 | Baltimore | Wireless | Verizon |
410-216 | Annapolis | Landline | Verizon |
410-217 | Baltimore | Wireless | Verizon |
410-218 | Baltimore | Wireless | Verizon |
410-219 | Salisbury | Landline | Verizon |
410-220 | Elkridge | Wireless | Sprint Spectrum |
410-221 | Cambridge | Landline | Verizon |
410-222 | Severn | Landline | Verizon |
410-223 | Baltimore | Landline | Verizon |
410-224 | Annapolis | Landline | Verizon |
410-225 | Baltimore | Landline | Verizon |
410-226 | Oxford | Landline | Verizon |
410-227 | Catonsville | Wireless | New Cingular Wireless |
410-228 | Cambridge | Landline | Verizon |
410-229 | Hunt Valley | Landline | Verizon |
410-230 | Baltimore | Landline | Verizon |
410-231 | Solomons | Wireless | New Cingular Wireless |
410-232 | Baltimore | Wireless | USA Mobility Wireless |
410-233 | Baltimore | Landline | Verizon |
410-234 | Baltimore | Landline | Verizon |
410-235 | Baltimore | Landline | Verizon |
410-236 | Towson | Wireless | New Cingular Wireless |
410-237 | Baltimore | Landline | Verizon |
410-238 | Essex | Landline | Verizon |
410-239 | Hampstead | Landline | Verizon |
410-240 | Baltimore | Wireless | Sprint Spectrum |
410-241 | Baltimore | Wireless | Verizon |
410-242 | Halethorpe | Landline | Verizon |
410-243 | Baltimore | Landline | Verizon |
410-244 | Baltimore | Landline | Verizon |
410-245 | Catonsville | Wireless | New Cingular Wireless |
410-246 | Baltimore | Landline | Mcimetro Access Transmission Services |
410-247 | Halethorpe | Landline | Verizon |
410-248 | Parkville | Landline | Verizon |
410-249 | Towson | Wireless | Verizon |
410-250 | Ocean City | Landline | Verizon |
410-251 | Salisbury | Wireless | Verizon |
410-252 | Towson | Landline | Verizon |
410-253 | Easton | Wireless | New Cingular Wireless |
410-254 | Baltimore | Landline | Verizon |
410-255 | Severna Park | Landline | Verizon |
410-256 | Parkville | Landline | Verizon |
410-257 | North Beach | Landline | Verizon |
410-258 | Halethorpe | Wireless | Sprint Spectrum |
410-259 | Westminster | Wireless | Verizon |
410-260 | Annapolis | Landline | Verizon |
410-261 | Baltimore | Landline | Verizon |
410-262 | Halethorpe | Wireless | Sprint Spectrum |
410-263 | Annapolis | Landline | Verizon |
410-264 | Laurel | Wireless | Verizon |
410-265 | Gwynn Oak | Landline | Verizon |
410-266 | Annapolis | Landline | Verizon |
410-267 | Annapolis | Landline | Verizon |
410-268 | Annapolis | Landline | Verizon |
410-269 | Annapolis | Landline | Verizon |
410-270 | Salisbury | Wireless | Redi-call Communications |
410-271 | Annapolis | Wireless | Verizon |
410-272 | Aberdeen | Landline | Verizon |
410-273 | Aberdeen | Landline | Verizon |
410-274 | Baltimore | Wireless | Verizon |
410-275 | Warwick | Landline | Verizon |
410-276 | Baltimore | Landline | Verizon |
410-277 | Gwynn Oak | Landline | Verizon |
410-278 | Aberdeen | Landline | Verizon |
410-279 | Annapolis | Wireless | Verizon |
410-280 | Annapolis | Landline | Verizon |
410-281 | Gwynn Oak | Landline | Verizon |
410-282 | Dundalk | Landline | Verizon |
410-283 | Towson | Wireless | USA Mobility Wireless |
410-284 | Dundalk | Landline | Verizon |
410-285 | Dundalk | Landline | Verizon |
410-286 | North Beach | Landline | Verizon |
410-287 | Perryville | Landline | Verizon |
410-288 | Dundalk | Landline | Verizon |
410-289 | Ocean City | Landline | Verizon |
410-290 | Columbia | Landline | Verizon |
410-291 | Baltimore | Landline | Verizon |
410-292 | Catonsville | Wireless | New Cingular Wireless |
410-293 | Annapolis | Landline | Paetec Communications |
410-294 | Catonsville | Wireless | New Cingular Wireless |
410-295 | Annapolis | Landline | Verizon |
410-296 | Towson | Landline | Verizon |
410-297 | Aberdeen | Landline | Verizon |
410-298 | Gwynn Oak | Landline | Verizon |
410-299 | Baltimore | Wireless | Verizon |
410-300 | Elkridge | Wireless | Sprint Spectrum |
410-301 | Baltimore | Wireless | Sprint Spectrum |
410-302 | Catonsville | Wireless | New Cingular Wireless |
410-303 | Baltimore | Wireless | Verizon |
410-304 | Queenstown | Landline | Idt America |
410-305 | Odenton | Landline | Verizon |
410-306 | Aberdeen | Landline | Verizon |
410-307 | Towson | Landline | Verizon |
410-308 | Towson | Landline | Verizon |
410-309 | Columbia | Landline | Verizon |
410-310 | Easton | Wireless | Verizon |
410-312 | Columbia | Landline | Verizon |
410-313 | Ellicott City | Landline | Verizon |
410-314 | Baltimore | Landline | Mcimetro Access Transmission Services |
410-315 | Severna Park | Landline | Verizon |
410-316 | Hunt Valley | Landline | Verizon |
410-317 | Baltimore | Landline | Mcimetro Access Transmission Services |
410-318 | Pikesville | Landline | Verizon |
410-319 | Baltimore | Landline | Verizon |
410-320 | Annapolis | Wireless | Sprint Spectrum |
410-321 | Towson | Landline | Verizon |
410-322 | Bel Air | Wireless | New Cingular Wireless |
410-323 | Baltimore | Landline | Verizon |
410-324 | Towson | Landline | Verizon |
410-325 | Baltimore | Landline | Verizon |
410-326 | Solomons | Landline | Verizon |
410-327 | Baltimore | Landline | Verizon |
410-328 | Baltimore | Landline | Verizon |
410-329 | Hunt Valley | Landline | Verizon |
410-330 | Cambridge | Wireless | New Cingular Wireless |
410-331 | Elkridge | Wireless | USA Mobility Wireless |
410-332 | Baltimore | Landline | Verizon |
410-333 | Baltimore | Landline | Verizon |
410-334 | Salisbury | Landline | Verizon |
410-335 | White Marsh | Landline | Verizon |
410-336 | Baltimore | Wireless | New Cingular Wireless |
410-337 | Towson | Landline | Verizon |
410-338 | Baltimore | Landline | Verizon |
410-339 | Towson | Landline | Verizon |
410-340 | Baltimore | Wireless | New Cingular Wireless |
410-341 | Salisbury | Landline | Verizon |
410-342 | Baltimore | Landline | Verizon |
410-343 | Parkton | Landline | Verizon |
410-344 | White Marsh | Landline | Verizon |
410-345 | Pikesville | Landline | Verizon |
410-346 | Westminster | Landline | Verizon |
410-347 | Baltimore | Landline | Verizon |
410-348 | Still Pond | Landline | Verizon |
410-349 | Annapolis | Landline | Verizon |
410-350 | Curtis Bay | Landline | Verizon |
410-351 | Gwynn Oak | Wireless | USA Mobility Wireless |
410-352 | Bishopville | Landline | Verizon |
410-353 | Annapolis | Wireless | Verizon |
410-354 | Curtis Bay | Landline | Verizon |
410-355 | Curtis Bay | Landline | Verizon |
410-356 | Pikesville | Landline | Verizon |
410-357 | Parkton | Landline | Verizon |
410-358 | Pikesville | Landline | Verizon |
410-359 | Baltimore | Wireless | Verizon |
410-360 | Severna Park | Landline | Verizon |
410-361 | Baltimore | Landline | Verizon |
410-362 | Baltimore | Landline | Verizon |
410-363 | Pikesville | Landline | Verizon |
410-364 | Ridgely | Landline | Verizon |
410-365 | Baltimore | Wireless | Sprint Spectrum |
410-366 | Baltimore | Landline | Verizon |
410-367 | Gwynn Oak | Landline | Verizon |
410-368 | Halethorpe | Landline | Verizon |
410-369 | Baltimore | Landline | Level 3 Telecom Of Maryland |
410-370 | Catonsville | Wireless | New Cingular Wireless |
410-371 | Baltimore | Wireless | Verizon |
410-372 | Towson | Landline | Verizon |
410-373 | Towson | Wireless | USA Mobility Wireless |
410-374 | Hampstead | Landline | Verizon |
410-375 | Baltimore | Wireless | Verizon |
410-376 | Rhodesdale | Landline | Verizon |
410-377 | Towson | Landline | Verizon |
410-378 | Port Deposit | Landline | Verizon |
410-379 | Elkridge | Landline | Verizon |
410-380 | Salisbury | Wireless | Redi-call Communications |
410-381 | Columbia | Landline | Verizon |
410-382 | Baltimore | Wireless | Verizon |
410-383 | Baltimore | Landline | Verizon |
410-384 | Severna Park | Landline | Verizon |
410-385 | Baltimore | Landline | Verizon |
410-386 | Westminster | Landline | Verizon |
410-387 | Halethorpe | Wireless | Broadview Networks |
410-388 | Sparrows Point | Landline | Verizon |
410-389 | Halethorpe | Wireless | USA Mobility Wireless |
410-390 | Ocean City | Landline | Teleport Communications America |
410-391 | Essex | Landline | Verizon |
410-392 | Elkton | Landline | Verizon |
410-393 | Hunt Valley | Landline | Verizon |
410-394 | Solomons | Landline | Verizon |
410-395 | Halethorpe | Wireless | Verizon |
410-396 | Baltimore | Landline | Verizon |
410-397 | Wingate | Landline | Verizon |
410-398 | Elkton | Landline | Verizon |
410-399 | Bel Air | Landline | Verizon |
410-400 | Baltimore | Landline | Cavalier Telephone Mid-atlantic |
410-401 | Baltimore | Landline | Mcimetro Access Transmission Services |
410-402 | Baltimore | Landline | Mcimetro Access Transmission Services |
410-403 | Baltimore | Landline | Mcimetro Access Transmission Services |
410-404 | Baltimore | Wireless | Verizon |
410-405 | Fork | Landline | Verizon |
410-406 | Baltimore | Landline | Mcimetro Access Transmission Services |
410-407 | Elkridge | Wireless | Verizon |
410-408 | Towson | Wireless | USA Mobility Wireless |
410-409 | Baltimore | Wireless | Verizon |
410-412 | Baltimore | Landline | Mcimetro Access Transmission Services |
410-413 | Baltimore | Landline | Mcimetro Access Transmission Services |
410-414 | Prince Frederick | Landline | Verizon |
410-415 | Pikesville | Landline | Verizon |
410-416 | Laurel | Wireless | American Messaging Services |
410-417 | Edgewood | Landline | Verizon |
410-418 | Ellicott City | Landline | Verizon |
410-419 | Halethorpe | Wireless | Sprint Spectrum |
410-420 | Bel Air | Landline | Verizon |
410-421 | Severna Park | Landline | Verizon |
410-422 | Salisbury | Wireless | New Cingular Wireless |
410-423 | Baltimore | Landline | Teleport Communications America |
410-424 | Linthicum Heights | Landline | Verizon |
410-425 | Ewell | Landline | Verizon |
410-426 | Baltimore | Landline | Verizon |
410-427 | Baltimore | Landline | Teleport Communications America |
410-428 | Catonsville | Wireless | New Cingular Wireless |
410-429 | Reisterstown | Landline | Verizon |
410-430 | Salisbury | Wireless | Verizon |
410-431 | Severna Park | Landline | Verizon |
410-432 | Severna Park | Landline | Verizon |
410-433 | Baltimore | Landline | Verizon |
410-434 | Towson | Wireless | USA Mobility Wireless |
410-435 | Baltimore | Landline | Verizon |
410-436 | Edgewood | Landline | Verizon |
410-437 | Severna Park | Landline | Verizon |
410-438 | Millington | Landline | Verizon |
410-439 | Severna Park | Landline | Verizon |
410-440 | Catonsville | Wireless | New Cingular Wireless |
410-441 | Elkton | Wireless | New Cingular Wireless |
410-442 | Glenwood | Landline | Verizon |
410-443 | Easton | Landline | Level 3 Communications |
410-444 | Baltimore | Landline | Verizon |
410-445 | Baltimore | Wireless | USA Mobility Wireless |
410-446 | Catonsville | Wireless | New Cingular Wireless |
410-447 | Columbia | Wireless | USA Mobility Wireless |
410-448 | Windsor Mill | Landline | Verizon |
410-449 | Solomons | Landline | Bandwidth.com |
410-450 | Baltimore | Landline | Verizon |
410-451 | Crofton | Landline | Verizon |
410-452 | Whiteford | Landline | Verizon |
410-453 | Towson | Landline | Verizon |
410-454 | Baltimore | Landline | Mcimetro Access Transmission Services |
410-455 | Catonsville | Landline | Verizon |
410-456 | Baltimore | Wireless | Verizon |
410-457 | Darlington | Landline | Verizon |
410-458 | Baltimore | Wireless | Verizon |
410-459 | Fallston | Wireless | Verizon |
410-460 | Elkridge | Wireless | USA Mobility Wireless |
410-461 | Ellicott City | Landline | Verizon |
410-462 | Baltimore | Landline | Verizon |
410-463 | Trappe | Wireless | Verizon |
410-464 | Baltimore | Landline | Verizon |
410-465 | Ellicott City | Landline | Verizon |
410-466 | Gwynn Oak | Landline | Verizon |
410-467 | Baltimore | Landline | Verizon |
410-468 | Baltimore | Landline | Verizon |
410-469 | Halethorpe | Landline | Verizon |
410-470 | Baltimore | Landline | Verizon |
410-471 | Elkridge | Landline | Verizon |
410-472 | Sparks Glencoe | Landline | Verizon |
410-473 | Towson | Wireless | USA Mobility Wireless |
410-474 | Prince Frederick | Wireless | Verizon |
410-475 | Towson | Wireless | USA Mobility Wireless |
410-476 | Trappe | Landline | Verizon |
410-477 | Sparrows Point | Landline | Verizon |
410-478 | Elkridge | Wireless | USA Mobility Wireless |
410-479 | Denton | Landline | Verizon |
410-480 | Ellicott City | Landline | Verizon |
410-482 | Greensboro | Landline | Verizon |
410-483 | Baltimore | Landline | Verizon |
410-484 | Pikesville | Landline | Verizon |
410-485 | Baltimore | Landline | Verizon |
410-486 | Pikesville | Landline | Verizon |
410-487 | Baltimore | Landline | Mcimetro Access Transmission Services |
410-488 | Baltimore | Landline | Verizon |
410-489 | Glenwood | Landline | Verizon |
410-490 | Centreville | Wireless | Verizon |
410-491 | Catonsville | Wireless | New Cingular Wireless |
410-492 | Towson | Wireless | USA Mobility Wireless |
410-493 | Halethorpe | Wireless | Sprint Spectrum |
410-494 | Towson | Landline | Verizon |
410-495 | Saint Leonard | Landline | Verizon |
410-496 | Randallstown | Landline | Verizon |
410-497 | Baltimore | Landline | Comcast Ip Phone |
410-498 | Baltimore | Landline | Cavalier Telephone Mid-atlantic |
410-499 | Halethorpe | Wireless | Sprint Spectrum |
410-500 | Baltimore | Landline | Sprint Spectrum |
410-501 | Halethorpe | Landline | Lightwave Communications |
410-502 | Baltimore | Landline | Verizon |
410-503 | Elkridge | Wireless | Verizon |
410-504 | Baltimore | Landline | Verizon |
410-505 | Ellicott City | Landline | Verizon |
410-506 | Elkton | Landline | Verizon |
410-507 | Annapolis | Wireless | Verizon |
410-508 | Linthicum Heights | Landline | Verizon |
410-509 | Jessup | Landline | Baltimore-washington Telephone (bwt) |
410-510 | Fork | Landline | Teleport Communications America |
410-512 | Towson | Landline | Verizon |
410-513 | Baltimore | Landline | Teleport Communications America |
410-514 | Severn | Landline | Verizon |
410-515 | Edgewood | Landline | Verizon |
410-516 | Baltimore | Landline | Verizon |
410-517 | Reisterstown | Landline | Verizon |
410-518 | Severna Park | Landline | Verizon |
410-519 | Severn | Landline | Verizon |
410-520 | Ocean City | Landline | Verizon |
410-521 | Randallstown | Landline | Verizon |
410-522 | Baltimore | Landline | Verizon |
410-523 | Baltimore | Landline | Verizon |
410-524 | Ocean City | Landline | Verizon |
410-525 | Halethorpe | Landline | Verizon |
410-526 | Reisterstown | Landline | Verizon |
410-527 | Hunt Valley | Landline | Verizon |
410-528 | Baltimore | Landline | Verizon |
410-529 | Parkville | Landline | Verizon |
410-530 | Catonsville | Wireless | New Cingular Wireless |
410-531 | Columbia | Landline | Verizon |
410-532 | Baltimore | Landline | Verizon |
410-533 | Annapolis | Wireless | New Cingular Wireless |
410-534 | Baltimore | Landline | Verizon |
410-535 | Saint Leonard | Landline | Verizon |
410-536 | Halethorpe | Landline | Verizon |
410-537 | Baltimore | Landline | Verizon |
410-538 | Edgewood | Landline | Verizon |
410-539 | Baltimore | Landline | Verizon |
410-540 | Elkridge | Landline | Verizon |
410-541 | Severna Park | Landline | Verizon |
410-542 | Gwynn Oak | Landline | Verizon |
410-543 | Salisbury | Landline | Verizon |
410-544 | Severna Park | Landline | Verizon |
410-545 | Baltimore | Landline | Verizon |
410-546 | Salisbury | Landline | Verizon |
410-547 | Baltimore | Landline | Verizon |
410-548 | Salisbury | Landline | Verizon |
410-549 | Sykesville | Landline | Verizon |
410-550 | Baltimore | Landline | Verizon |
410-551 | Severn | Landline | Verizon |
410-552 | Sykesville | Landline | Verizon |
410-553 | Linthicum Heights | Landline | Verizon |
410-554 | Baltimore | Landline | Verizon |
410-556 | Church Hill | Landline | Verizon |
410-557 | Jarrettsville | Landline | Verizon |
410-558 | Baltimore | Landline | Verizon |
410-559 | Baltimore | Landline | Teleport Communications America |
410-560 | Towson | Landline | Verizon |
410-561 | Hunt Valley | Landline | Verizon |
410-562 | Annapolis | Wireless | New Cingular Wireless |
410-563 | Baltimore | Landline | Verizon |
410-564 | Baltimore | Landline | Teleport Communications America |
410-565 | Halethorpe | Landline | Level 3 Telecom Of Maryland |
410-566 | Baltimore | Landline | Verizon |
410-567 | Baltimore | Landline | Mcimetro Access Transmission Services |
410-568 | Baltimore | Landline | Teleport Communications America |
410-569 | Edgewood | Landline | Verizon |
410-570 | Annapolis | Wireless | New Cingular Wireless |
410-571 | Annapolis | Landline | Verizon |
410-572 | Salisbury | Landline | Verizon |
410-573 | Annapolis | Landline | Verizon |
410-574 | Essex | Landline | Verizon |
410-575 | Aberdeen | Landline | Verizon |
410-576 | Baltimore | Landline | Verizon |
410-577 | Baltimore | Landline | Verizon |
410-578 | Gwynn Oak | Landline | Verizon |
410-579 | Elkridge | Landline | Verizon |
410-580 | Pikesville | Landline | Verizon |
410-581 | Pikesville | Landline | Verizon |
410-582 | Linthicum Heights | Landline | Verizon |
410-583 | Towson | Landline | Verizon |
410-584 | Hunt Valley | Landline | Verizon |
410-585 | Pikesville | Landline | Verizon |
410-586 | Saint Leonard | Landline | Verizon |
410-587 | Halethorpe | Landline | Verizon |
410-588 | Bel Air | Landline | Verizon |
410-589 | Linthicum Heights | Landline | Level 3 Telecom Of Maryland |
410-590 | Linthicum Heights | Landline | Verizon |
410-591 | Baltimore | Wireless | Verizon |
410-592 | Fork | Landline | Verizon |
410-593 | Fork | Landline | Verizon |
410-594 | Gwynn Oak | Landline | Verizon |
410-595 | Laurel | Landline | Level 3 Telecom Of Maryland |
410-596 | Westminster | Wireless | Verizon |
410-597 | Gwynn Oak | Landline | Verizon |
410-598 | Baltimore | Wireless | Verizon |
410-599 | Catonsville | Wireless | New Cingular Wireless |
410-600 | Berlin | Landline | Mcimetro Access Transmission Services |
410-601 | Gwynn Oak | Landline | Verizon |
410-602 | Pikesville | Landline | Verizon |
410-603 | Salisbury | Wireless | New Cingular Wireless |
410-604 | Stevensville | Landline | Verizon |
410-605 | Baltimore | Landline | Verizon |
410-606 | Laurel | Wireless | Verizon |
410-607 | Towson | Wireless | USA Mobility Wireless |
410-608 | Catonsville | Wireless | New Cingular Wireless |
410-609 | Curtis Bay | Landline | Verizon |
410-610 | Prince Frederick | Wireless | Verizon |
410-612 | Edgewood | Landline | Verizon |
410-613 | Baltimore | Landline | Verizon |
410-614 | Baltimore | Landline | Verizon |
410-615 | Catonsville | Wireless | New Cingular Wireless |
410-616 | Baltimore | Landline | Mcimetro Access Transmission Services |
410-617 | Baltimore | Landline | Verizon |
410-618 | Salisbury | Wireless | Idt America |
410-619 | Laurel | Wireless | American Messaging Services |
410-620 | Elkton | Landline | Verizon |
410-621 | Princess Anne | Landline | Verizon |
410-622 | Salisbury | Wireless | Mcimetro Access Transmission Services |
410-623 | Marion Station | Landline | Verizon |
410-624 | Baltimore | Landline | Verizon |
410-625 | Baltimore | Landline | Verizon |
410-626 | Annapolis | Landline | Verizon |
410-627 | Baltimore | Wireless | Verizon |
410-628 | Hunt Valley | Landline | Verizon |
410-629 | Berlin | Landline | Verizon |
410-630 | Baltimore | Landline | Mcimetro Access Transmission Services |
410-631 | Dundalk | Landline | Verizon |
410-632 | Snow Hill | Landline | Verizon |
410-633 | Dundalk | Landline | Verizon |
410-634 | Ridgely | Landline | Verizon |
410-635 | New Windsor | Landline | Verizon |
410-636 | Curtis Bay | Landline | Verizon |
410-637 | Baltimore | Landline | Verizon |
410-638 | Bel Air | Landline | Verizon |
410-639 | Rock Hall | Landline | Verizon |
410-640 | Baltimore | Wireless | USA Mobility Wireless |
410-641 | Berlin | Landline | Verizon |
410-642 | Perryville | Landline | Verizon |
410-643 | Stevensville | Landline | Verizon |
410-644 | Halethorpe | Landline | Verizon |
410-645 | Baltimore | Landline | Mcimetro Access Transmission Services |
410-646 | Halethorpe | Landline | Verizon |
410-647 | Severna Park | Landline | Verizon |
410-648 | Galena | Landline | Verizon |
410-649 | Baltimore | Landline | Teleport Communications America |
410-650 | Baltimore | Landline | Mcimetro Access Transmission Services |
410-651 | Princess Anne | Landline | Verizon |
410-652 | Bel Air | Wireless | New Cingular Wireless |
410-653 | Pikesville | Landline | Verizon |
410-654 | Pikesville | Landline | Verizon |
410-655 | Randallstown | Landline | Verizon |
410-656 | Perryville | Landline | Armstrong Telecommunications |
410-657 | Baltimore | Landline | Mcimetro Access Transmission Services |
410-658 | Rising Sun | Landline | Armstrong Tel. Co. Of Maryland |
410-659 | Baltimore | Landline | Verizon |
410-660 | Elkridge | Wireless | Sprint Spectrum |
410-661 | Parkville | Landline | Verizon |
410-662 | Baltimore | Landline | Verizon |
410-663 | Parkville | Landline | Verizon |
410-664 | Gwynn Oak | Landline | Verizon |
410-665 | Parkville | Landline | Verizon |
410-666 | Hunt Valley | Landline | Verizon |
410-667 | Hunt Valley | Landline | Verizon |
410-668 | Parkville | Landline | Verizon |
410-669 | Baltimore | Landline | Verizon |
410-670 | Edgewood | Landline | Mcimetro Access Transmission Services |
410-671 | Edgewood | Landline | Verizon |
410-672 | Odenton | Landline | Verizon |
410-673 | Preston | Landline | Verizon |
410-674 | Odenton | Landline | Verizon |
410-675 | Baltimore | Landline | Verizon |
410-676 | Edgewood | Landline | Verizon |
410-677 | Salisbury | Landline | Verizon |
410-678 | Elkridge | Wireless | USA Mobility Wireless |
410-679 | Edgewood | Landline | Verizon |
410-680 | Laurel | Landline | Level 3 Telecom Of Maryland |
410-681 | Towson | Wireless | USA Mobility Wireless |
410-682 | Essex | Landline | Verizon |
410-683 | Hunt Valley | Landline | Verizon |
410-684 | Linthicum Heights | Landline | Verizon |
410-685 | Baltimore | Landline | Verizon |
410-686 | Essex | Landline | Verizon |
410-687 | Essex | Landline | Verizon |
410-688 | Fallston | Wireless | Verizon |
410-689 | Baltimore | Landline | Teleport Communications America |
410-690 | Wye Mills | Landline | AT&T |
410-691 | Linthicum Heights | Landline | Verizon |
410-692 | Jarrettsville | Landline | Verizon |
410-693 | Annapolis | Wireless | New Cingular Wireless |
410-694 | Linthicum Heights | Landline | Verizon |
410-695 | Odenton | Landline | Verizon |
410-696 | Baltimore | Landline | Mcimetro Access Transmission Services |
410-697 | Millersville | Landline | Mcimetro Access Transmission Services |
410-698 | Fork | Landline | Mcimetro Access Transmission Services |
410-699 | Worton | Wireless | Sprint Spectrum |
410-701 | Baltimore | Landline | Mcimetro Access Transmission Services |
410-702 | Reisterstown | Landline | Mcimetro Access Transmission Services |
410-703 | Annapolis | Wireless | Verizon |
410-704 | Baltimore | Landline | Mcimetro Access Transmission Services |
410-705 | Jessup | Landline | Bandwidth.com |
410-706 | Baltimore | Landline | Verizon |
410-707 | Columbia | Wireless | Verizon |
410-708 | Chestertown | Wireless | Verizon |
410-709 | Baltimore | Landline | Mcimetro Access Transmission Services |
410-710 | Baltimore | Wireless | Omnipoint Communications Cap Operations |
410-712 | Elkridge | Landline | Verizon |
410-713 | Salisbury | Landline | Level 3 Communications |
410-714 | Easton | Wireless | New Cingular Wireless |
410-715 | Columbia | Landline | Verizon |
410-716 | Towson | Landline | Verizon |
410-717 | Laurel | Landline | Level 3 Telecom Of Maryland |
410-718 | Catonsville | Wireless | New Cingular Wireless |
410-719 | Catonsville | Landline | Verizon |
410-720 | Ellicott City | Landline | Verizon |
410-721 | Crofton | Landline | Verizon |
410-722 | Laurel | Landline | Verizon |
410-723 | Ocean City | Landline | Verizon |
410-724 | Laurel | Landline | Verizon |
410-725 | Easton | Wireless | Sprint Spectrum |
410-726 | Salisbury | Wireless | Verizon |
410-727 | Baltimore | Landline | Verizon |
410-728 | Baltimore | Landline | Verizon |
410-729 | Severn | Landline | Verizon |
410-730 | Columbia | Landline | Verizon |
410-731 | Annapolis | Wireless | USA Mobility Wireless |
410-732 | Baltimore | Landline | Verizon |
410-733 | Catonsville | Wireless | New Cingular Wireless |
410-734 | Churchville | Landline | Verizon |
410-735 | Baltimore | Landline | Cavalier Telephone Mid-atlantic |
410-736 | Baltimore | Landline | Verizon |
410-737 | Halethorpe | Landline | Verizon |
410-738 | Laurel | Wireless | Verizon |
410-739 | Centreville | Wireless | New Cingular Wireless |
410-740 | Columbia | Landline | Verizon |
410-741 | North Beach | Landline | Verizon |
410-742 | Salisbury | Landline | Verizon |
410-743 | Halethorpe | Wireless | USA Mobility Wireless |
410-744 | Catonsville | Landline | Verizon |
410-745 | Saint Michaels | Landline | Verizon |
410-746 | Baltimore | Wireless | Verizon |
410-747 | Catonsville | Landline | Verizon |
410-748 | Ellicott City | Landline | USA Mobility Wireless |
410-749 | Salisbury | Landline | Verizon |
410-750 | Ellicott City | Landline | Verizon |
410-751 | Westminster | Landline | Verizon |
410-752 | Baltimore | Landline | Verizon |
410-753 | Baltimore | Landline | Mcimetro Access Transmission Services |
410-754 | Federalsburg | Landline | Verizon |
410-755 | Warwick | Landline | Verizon |
410-756 | Taneytown | Landline | Verizon |
410-757 | Annapolis | Landline | Verizon |
410-758 | Centreville | Landline | Verizon |
410-759 | Halethorpe | Wireless | Verizon |
410-760 | Linthicum Heights | Landline | Verizon |
410-761 | Linthicum Heights | Landline | Verizon |
410-762 | Linthicum Heights | Landline | Verizon |
410-763 | Easton | Landline | Verizon |
410-764 | Pikesville | Landline | Verizon |
410-765 | Linthicum Heights | Landline | Verizon |
410-766 | Linthicum Heights | Landline | Verizon |
410-767 | Baltimore | Landline | Verizon |
410-768 | Linthicum Heights | Landline | Verizon |
410-769 | Towson | Landline | Verizon |
410-770 | Easton | Landline | Verizon |
410-771 | Hunt Valley | Landline | Verizon |
410-772 | Columbia | Landline | Verizon |
410-773 | Hunt Valley | Landline | Verizon |
410-774 | Crofton | Landline | Mcimetro Access Transmission Services |
410-775 | Union Bridge | Landline | Verizon |
410-776 | Bel Air | Landline | Teleport Communications America |
410-777 | Severna Park | Landline | Mcimetro Access Transmission Services |
410-778 | Chestertown | Landline | Verizon |
410-779 | Baltimore | Landline | Level 3 Communications |
410-780 | Essex | Landline | Verizon |
410-781 | Sykesville | Landline | Verizon |
410-782 | Elkridge | Landline | Verizon |
410-783 | Baltimore | Landline | Verizon |
410-784 | Deal Island | Landline | Verizon |
410-785 | Hunt Valley | Landline | Verizon |
410-786 | Gwynn Oak | Landline | Mcimetro Access Transmission Services |
410-787 | Linthicum Heights | Landline | Verizon |
410-788 | Catonsville | Landline | Verizon |
410-789 | Curtis Bay | Landline | Verizon |
410-790 | Towson | Wireless | New Cingular Wireless |
410-791 | Laurel | Wireless | Verizon |
410-792 | Laurel | Landline | Verizon |
410-793 | Crofton | Landline | Verizon |
410-794 | Laurel | Landline | Level 3 Telecom Of Maryland |
410-795 | Sykesville | Landline | Verizon |
410-796 | Elkridge | Landline | Verizon |
410-797 | Laurel | Landline | Verizon |
410-798 | Riva | Landline | Verizon |
410-799 | Elkridge | Landline | Verizon |
410-800 | Baltimore | Landline | Verizon |
410-801 | Halethorpe | Wireless | Mcimetro Access Transmission Services |
410-802 | Catonsville | Wireless | New Cingular Wireless |
410-803 | Bel Air | Landline | Verizon |
410-804 | Baltimore | Wireless | Verizon |
410-805 | Towson | Wireless | Sprint Spectrum |
410-806 | Towson | Wireless | USA Mobility Wireless |
410-807 | Laurel | Landline | Level 3 Telecom Of Maryland |
410-808 | Fallston | Wireless | Sprint Spectrum |
410-809 | Bel Air | Landline | Cavalier Telephone |
410-810 | Chestertown | Landline | Verizon |
410-812 | Towson | Wireless | New Cingular Wireless |
410-813 | Laurel | Landline | Verizon |
410-814 | Baltimore | Landline | Cavalier Telephone Mid-atlantic |
410-815 | Laurel | Wireless | Verizon |
410-816 | Towson | Wireless | Verizon |
410-817 | Fork | Landline | Verizon |
410-818 | Baltimore | Landline | Teleport Communications America |
410-819 | Easton | Landline | Verizon |
410-820 | Easton | Landline | Verizon |
410-821 | Towson | Landline | Verizon |
410-822 | Easton | Landline | Verizon |
410-823 | Towson | Landline | Verizon |
410-824 | Jessup | Landline | Level 3 Telecom Of Maryland |
410-825 | Towson | Landline | Verizon |
410-826 | Baltimore | Landline | Onvoy |
410-827 | Queenstown | Landline | Verizon |
410-828 | Towson | Landline | Verizon |
410-829 | Easton | Wireless | Verizon |
410-830 | Towson | Landline | Verizon |
410-831 | Salisbury | Wireless | Omnipoint Communications Cap Operations |
410-832 | Towson | Landline | Verizon |
410-833 | Reisterstown | Landline | Verizon |
410-834 | Jessup | Landline | CenturyLink Communications |
410-835 | Willards | Landline | Verizon |
410-836 | Bel Air | Landline | Verizon |
410-837 | Baltimore | Landline | Verizon |
410-838 | Bel Air | Landline | Verizon |
410-839 | Towson | Wireless | USA Mobility Wireless |
410-840 | Westminster | Landline | Verizon |
410-841 | Riva | Landline | Verizon |
410-842 | Baltimore | Landline | Mcimetro Access Transmission Services |
410-843 | Baltimore | Landline | Teleport Communications America |
410-844 | Baltimore | Landline | Peerless Network Of Maryland |
410-845 | Salisbury | Wireless | Sprint Spectrum |
410-846 | Baltimore | Landline | Mcimetro Access Transmission Services |
410-847 | Towson | Landline | Verizon |
410-848 | Westminster | Landline | Verizon |
410-849 | Annapolis | Landline | Verizon |
410-850 | Linthicum Heights | Landline | Verizon |
410-851 | Towson | Wireless | Verizon |
410-852 | Catonsville | Wireless | New Cingular Wireless |
410-853 | Towson | Landline | Verizon |
410-854 | Odenton | Landline | Verizon |
410-855 | Linthicum Heights | Landline | Verizon |
410-856 | Hunt Valley | Landline | Verizon |
410-857 | Westminster | Landline | Verizon |
410-858 | Annapolis | Landline | Verizon |
410-859 | Linthicum Heights | Landline | Verizon |
410-860 | Salisbury | Landline | Verizon |
410-861 | Reisterstown | Landline | Verizon |
410-862 | Jessup | Landline | Onvoy |
410-863 | Linthicum Heights | Landline | Verizon |
410-864 | Baltimore | Landline | Mcimetro Access Transmission Services |
410-865 | Linthicum Heights | Landline | Verizon |
410-866 | Baltimore | Landline | Verizon |
410-867 | West River | Landline | Verizon |
410-868 | Catonsville | Wireless | New Cingular Wireless |
410-869 | Catonsville | Landline | Verizon |
410-870 | Parkville | Landline | Comcast Ip Phone |
410-871 | Westminster | Landline | Verizon |
410-872 | Columbia | Landline | Verizon |
410-873 | Nanticoke | Landline | Verizon |
410-874 | Odenton | Landline | Mcimetro Access Transmission Services |
410-875 | Westminster | Landline | Verizon |
410-876 | Westminster | Landline | Verizon |
410-877 | Fallston | Landline | Verizon |
410-878 | Baltimore | Landline | Mcimetro Access Transmission Services |
410-879 | Bel Air | Landline | Verizon |
410-880 | Laurel | Landline | Verizon |
410-881 | Annapolis | Landline | Mcimetro Access Transmission Services |
410-882 | Parkville | Landline | Verizon |
410-883 | Rhodesdale | Landline | Verizon |
410-884 | Columbia | Landline | Verizon |
410-885 | Chesapeake City | Landline | Verizon |
410-886 | Tilghman | Landline | Verizon |
410-887 | Towson | Landline | Verizon |
410-888 | Laurel | Landline | Verizon |
410-889 | Baltimore | Landline | Verizon |
410-890 | Towson | Wireless | USA Mobility Wireless |
410-891 | Baltimore | Landline | Mcimetro Access Transmission Services |
410-892 | Linthicum Heights | Wireless | Verizon |
410-893 | Bel Air | Landline | Verizon |
410-894 | Towson | Wireless | USA Mobility Wireless |
410-895 | Baltimore | Landline | Verizon |
410-896 | Delmar | Landline | Verizon |
410-897 | Annapolis | Landline | Verizon |
410-898 | Laurel | Landline | Verizon |
410-899 | Towson | Wireless | USA Mobility Wireless |
410-900 | Baltimore | Landline | Ctc Communications |
410-901 | Cambridge | Landline | Verizon |
410-902 | Pikesville | Landline | Verizon |
410-903 | Halethorpe | Wireless | Sprint Spectrum |
410-904 | Baltimore | Landline | Mcimetro Access Transmission Services |
410-905 | Halethorpe | Wireless | Sprint Spectrum |
410-906 | Halethorpe | Landline | Verizon |
410-907 | Baltimore | Landline | Mcimetro Access Transmission Services |
410-908 | Halethorpe | Wireless | Sprint Spectrum |
410-909 | Elkridge | Wireless | USA Mobility Wireless |
410-910 | Baltimore | Landline | Mcimetro Access Transmission Services |
410-912 | Salisbury | Landline | Cavalier Telephone |
410-913 | Baltimore | Wireless | Verizon |
410-914 | Churchville | Landline | Cavalier Telephone |
410-915 | Baltimore | Landline | Baltimore-washington Telephone (bwt) |
410-916 | Baltimore | Wireless | Verizon |
410-917 | Catonsville | Wireless | New Cingular Wireless |
410-918 | Essex | Landline | Verizon |
410-919 | Annapolis | Landline | Mcimetro Access Transmission Services |
410-920 | Elkton | Wireless | New Cingular Wireless |
410-921 | Laurel | Landline | Level 3 Telecom Of Maryland |
410-922 | Randallstown | Landline | Verizon |
410-923 | Millersville | Landline | Verizon |
410-924 | Easton | Wireless | Verizon |
410-925 | Baltimore | Wireless | Verizon |
410-926 | Catonsville | Wireless | New Cingular Wireless |
410-927 | Laurel | Landline | Level 3 Telecom Of Maryland |
410-928 | Millington | Landline | Verizon |
410-929 | Baltimore | Landline | Bandwidth.com |
410-930 | Baltimore | Wireless | Redi-call Communications |
410-931 | Parkville | Landline | Verizon |
410-932 | Elkridge | Wireless | USA Mobility Wireless |
410-933 | Parkville | Landline | Verizon |
410-934 | Annapolis | Wireless | New Cingular Wireless |
410-935 | Baltimore | Wireless | Verizon |
410-936 | Baltimore | Landline | Comcast Ip Phone |
410-937 | Fallston | Wireless | Verizon |
410-938 | Towson | Landline | Verizon |
410-939 | Havre De Grace | Landline | Verizon |
410-940 | Annapolis | Landline | Atx Telecommunications Services |
410-941 | Jarrettsville | Landline | Verizon |
410-942 | Havre De Grace | Landline | Verizon |
410-943 | Hurlock | Landline | Verizon |
410-944 | Gwynn Oak | Landline | Verizon |
410-945 | Baltimore | Landline | Verizon |
410-946 | Riva | Landline | Verizon |
410-947 | Baltimore | Landline | Verizon |
410-948 | Catonsville | Wireless | New Cingular Wireless |
410-949 | Baltimore | Landline | Mcimetro Access Transmission Services |
410-951 | Baltimore | Landline | Teleport Communications America |
410-952 | Baltimore | Wireless | Verizon |
410-953 | Columbia | Landline | Verizon |
410-955 | Baltimore | Landline | Verizon |
410-956 | Annapolis | Landline | Verizon |
410-957 | Pocomoke City | Landline | Verizon |
410-960 | Baltimore | Wireless | Verizon |
410-961 | Halethorpe | Wireless | Sprint Spectrum |
410-962 | Baltimore | Landline | Verizon |
410-963 | Halethorpe | Wireless | Sprint Spectrum |
410-964 | Columbia | Landline | Verizon |
410-965 | Gwynn Oak | Landline | Verizon |
410-966 | Gwynn Oak | Landline | Verizon |
410-967 | Towson | Wireless | New Cingular Wireless |
410-968 | Crisfield | Landline | Verizon |
410-969 | Severn | Landline | Verizon |
410-970 | Sykesville | Landline | Mcimetro Access Transmission Services |
410-971 | Catonsville | Wireless | New Cingular Wireless |
410-972 | Annapolis | Landline | Teleport Communications America |
410-973 | Berlin | Landline | Mcc Telephony Of The Mid-atlantic |
410-974 | Arnold | Landline | Verizon |
410-975 | Severna Park | Landline | Verizon |
410-976 | Baltimore City | | Baltimore-washington Telephone (bwt) |
410-977 | Baltimore | Wireless | Sprint Spectrum |
410-978 | Catonsville | Wireless | New Cingular Wireless |
410-979 | Catonsville | Wireless | New Cingular Wireless |
410-980 | Annapolis | Landline | Verizon |
410-981 | Linthicum Heights | Landline | Verizon |
410-982 | Baltimore | Landline | Quantum Telecommunications |
410-983 | Fork | Landline | Verizon |
410-984 | Sykesville | Wireless | Sprint Spectrum |
410-985 | Jessup | Landline | Baltimore-washington Telephone (bwt) |
410-986 | Baltimore | Landline | Verizon |
410-987 | Severn | Landline | Verizon |
410-988 | Columbia | Landline | Verizon |
410-989 | Churchville | Landline | Verizon |
410-990 | Annapolis | Landline | Verizon |
410-991 | Annapolis | Wireless | Verizon |
410-992 | Columbia | Landline | Verizon |
410-993 | Linthicum Heights | Landline | Verizon |
410-994 | Aberdeen | Landline | Verizon |
410-995 | Ellicott City | Landline | Verizon |
410-996 | Port Deposit | Landline | Verizon |
410-997 | Columbia | Landline | Verizon |
410-998 | Pikesville | Landline | Verizon |
410-999 | Baltimore | Landline | Baltimore-washington Telephone (bwt) |