| 309-200 | Bloomington | Landline | Ymax Communications |
| 309-201 | Pekin | Wireless | United States Cellular |
| 309-202 | Pekin | Wireless | Verizon |
| 309-203 | East Moline | Wireless | New Cingular Wireless |
| 309-204 | East Peoria | Landline | Bandwidth.com |
| 309-205 | Bloomington | Landline | CenturyLink Communications |
| 309-206 | Rock Island | Landline | Illinois Bell Tel |
| 309-207 | Taylor Ridge | Wireless | Verizon |
| 309-208 | Peoria | Wireless | Sprint Spectrum |
| 309-209 | Macomb | Wireless | Brightlink Communications |
| 309-210 | Peoria | Landline | Level 3 Communications |
| 309-212 | Bloomington | Wireless | Verizon |
| 309-213 | Peoria | Landline | Level 3 Communications |
| 309-214 | Peoria | Landline | Level 3 Communications |
| 309-215 | Peoria | Landline | Level 3 Communications |
| 309-216 | Peoria | Landline | Level 3 Communications |
| 309-217 | Peoria | Wireless | Verizon |
| 309-218 | Peoria | Landline | Level 3 Communications |
| 309-219 | Peoria | Landline | United States Cellular |
| 309-220 | Washburn | Landline | Itv-3 |
| 309-221 | Galesburg | Wireless | United States Cellular |
| 309-222 | Peoria | Landline | AT&T |
| 309-223 | Peoria | Wireless | Onvoy |
| 309-224 | Peoria | Wireless | United States Cellular |
| 309-225 | Bloomington | Wireless | Onvoy |
| 309-226 | Farmington | Landline | AT&T |
| 309-227 | Cordova | Landline | Citizens Telecom Co Illinois-frontier Citizens |
| 309-228 | Farmington | Landline | Itv-3 |
| 309-229 | Peoria | Landline | AT&T |
| 309-230 | Rock Island | Wireless | Verizon |
| 309-231 | Peoria | Wireless | United States Cellular |
| 309-232 | Peoria | Wireless | United States Cellular |
| 309-233 | Manito | Landline | Teleport Communications America |
| 309-234 | Silvis | Landline | Frontier Communications |
| 309-235 | Rock Island | Wireless | Verizon |
| 309-236 | Rock Island | Wireless | Verizon |
| 309-237 | Macomb | Wireless | New Cingular Wireless |
| 309-238 | Wyoming | Wireless | Illinois Valley Cellular Rsa 2-ii Partnership |
| 309-239 | Rock Island | Wireless | Telnyx |
| 309-240 | Dunlap | Landline | Itv-3 |
| 309-241 | Pekin | Landline | Verizon |
| 309-242 | Bloomington | Wireless | Sprint Spectrum |
| 309-243 | Dunlap | Landline | Frontier North |
| 309-244 | Delavan | Landline | Illinois Bell Tel |
| 309-245 | Farmington | Landline | Illinois Bell Tel |
| 309-246 | Lacon | Landline | CenturyLink |
| 309-247 | San Jose | Landline | Illinois Bell Tel |
| 309-248 | Washburn | Landline | Frontier North |
| 309-249 | Edelstein | Landline | Frontier North |
| 309-250 | Edelstein | Landline | Itv-3 |
| 309-251 | Peoria | Wireless | United States Cellular |
| 309-252 | Macomb | Wireless | Verizon |
| 309-253 | Peoria | Wireless | Verizon |
| 309-254 | Industry | Landline | Mcdonough Tel. |
| 309-255 | Macomb | Wireless | Verizon |
| 309-256 | Peoria | Wireless | Verizon |
| 309-257 | Littleton | Landline | Mcdonough Tel. |
| 309-258 | Peoria | Wireless | Verizon |
| 309-259 | Macomb | Wireless | Onvoy Spectrum |
| 309-261 | Bloomington | Wireless | Sprint Spectrum |
| 309-262 | Bloomington | Wireless | Sprint Spectrum |
| 309-263 | Morton | Landline | Frontier North |
| 309-264 | Peoria | Wireless | Verizon |
| 309-265 | Peoria | Landline | AT&T |
| 309-266 | Morton | Landline | Frontier North |
| 309-267 | Pekin | Wireless | United States Cellular |
| 309-268 | Bloomington | Landline | Frontier North |
| 309-269 | Rock Island | Wireless | Sprint Spectrum |
| 309-270 | Chillicothe | Landline | Itv-3 |
| 309-271 | Peoria | Landline | Onvoy |
| 309-272 | Peoria | Landline | Level 3 Communications |
| 309-273 | Peoria | Landline | Level 3 Communications |
| 309-274 | Chillicothe | Landline | Frontier North |
| 309-275 | Bloomington | Wireless | Sprint Spectrum |
| 309-276 | Peoria | Landline | Level 3 Communications |
| 309-277 | Rock Island | Landline | Mcleodusa Telecommunication Services |
| 309-278 | Rock Island | Landline | Mcleodusa Telecommunication Services |
| 309-279 | Peoria | Landline | Level 3 Communications |
| 309-280 | Peoria | Wireless | Verizon |
| 309-281 | East Moline | Landline | Mediacom Telephony Of Illinois |
| 309-282 | Peoria | Landline | Mcleodusa Telecommunication Services |
| 309-283 | Rock Island | Landline | Mcleodusa Telecommunication Services |
| 309-284 | Morton | Landline | Frontier North |
| 309-285 | Peoria | Landline | Level 3 Communications |
| 309-286 | Toulon | Landline | Frontier North |
| 309-287 | Bloomington | Wireless | Sprint Spectrum |
| 309-288 | Mineral | Landline | Frontier North |
| 309-289 | Knoxville | Landline | CenturyLink |
| 309-290 | Mineral | Landline | Itv-3 |
| 309-291 | Morton | Landline | Itv-3 |
| 309-292 | Rock Island | Wireless | T-Mobile |
| 309-293 | Ellisville | Landline | Mid Century Tel. |
| 309-294 | Peoria | Landline | Level 3 Communications |
| 309-295 | Macomb | Landline | Frontier North |
| 309-296 | Peoria | Landline | Level 3 Communications |
| 309-297 | Galesburg | Wireless | Sprint Spectrum |
| 309-298 | Macomb | Landline | Frontier North |
| 309-299 | Galesburg | Wireless | Sprint Spectrum |
| 309-300 | Normal | Wireless | Verizon |
| 309-301 | Toulon | Landline | Itv-3 |
| 309-302 | Hampton | Landline | Mcimetro Access Transmission Services |
| 309-303 | Peoria | Wireless | Sprint Spectrum |
| 309-304 | Eureka | Landline | Frontier North |
| 309-305 | Stanford | Landline | CenturyLink Communications |
| 309-306 | Peoria | Landline | Peerless Network Of Illinois |
| 309-307 | Bloomington | Wireless | Brightlink Communications |
| 309-308 | Peoria | Wireless | Brightlink Communications |
| 309-310 | Bloomington | Wireless | Sprint Spectrum |
| 309-313 | Macomb | Landline | Mcimetro Access Transmission Services |
| 309-314 | Rock Island | Wireless | Sprint Spectrum |
| 309-315 | Galesburg | Landline | CenturyLink Communications |
| 309-316 | Delavan | Landline | Onvoy |
| 309-317 | Rock Island | Wireless | New Cingular Wireless |
| 309-318 | Macomb | Wireless | Sprint Spectrum |
| 309-319 | Bloomington | Landline | Mcimetro Access Transmission Services |
| 309-320 | Galesburg | Landline | Onvoy Spectrum |
| 309-321 | Morton | Landline | Level 3 Communications |
| 309-322 | Peoria | Landline | Bandwidth.com |
| 309-323 | Peoria | Landline | Bandwidth.com |
| 309-324 | Peoria | Landline | Exiant Communications |
| 309-325 | Smithshire | Landline | Mcdonough Tel. |
| 309-326 | Farmington | Landline | Teleport Communications America |
| 309-327 | Peoria | Landline | Vonage America |
| 309-328 | Pekin | Landline | Bandwidth.com |
| 309-329 | Astoria | Landline | Frontier North |
| 309-330 | Havana | Landline | Itv-3 |
| 309-331 | Macomb | Wireless | United States Cellular |
| 309-332 | Stanford | Landline | Vonage America |
| 309-333 | Macomb | Wireless | United States Cellular |
| 309-334 | Woodhull | Landline | Woodhull Community Tel. |
| 309-335 | Galesburg | Wireless | Verizon |
| 309-336 | Bloomington | Landline | Sprint Spectrum |
| 309-337 | Galesburg | Wireless | United States Cellular |
| 309-338 | Farmington | Wireless | Verizon |
| 309-339 | Peoria | Wireless | Verizon |
| 309-340 | Peoria | Wireless | Sprint Spectrum |
| 309-341 | Galesburg | Landline | CenturyLink |
| 309-342 | Galesburg | Landline | CenturyLink |
| 309-343 | Galesburg | Landline | CenturyLink |
| 309-344 | Galesburg | Landline | CenturyLink |
| 309-345 | Galesburg | Landline | CenturyLink |
| 309-346 | Pekin | Landline | CenturyLink |
| 309-347 | Pekin | Landline | CenturyLink |
| 309-348 | Pekin | Landline | CenturyLink |
| 309-349 | Pekin | Landline | Itv-3 |
| 309-350 | Rock Island | Wireless | T-Mobile |
| 309-351 | Galesburg | Wireless | Verizon |
| 309-352 | Green Valley | Landline | CenturyLink |
| 309-353 | Pekin | Landline | CenturyLink |
| 309-354 | Mackinaw | Landline | Itv-3 |
| 309-355 | Gridley | Landline | Mediacom Telephony Of Illinois |
| 309-356 | Henry | Landline | Itv-3 |
| 309-357 | Farmington | Wireless | Verizon |
| 309-358 | Yates City | Landline | Mid Century Tel. |
| 309-359 | Mackinaw | Landline | Frontier North |
| 309-360 | Peoria | Wireless | Verizon |
| 309-361 | Peoria | Wireless | New Cingular Wireless |
| 309-362 | Trivoli | Landline | Illinois Bell Tel |
| 309-363 | Peoria | Wireless | New Cingular Wireless |
| 309-364 | Henry | Landline | Frontier North |
| 309-365 | Lexington | Landline | Frontier North |
| 309-366 | Metamora | Landline | Metamora Tel. |
| 309-367 | Metamora | Landline | Metamora Tel. |
| 309-368 | Galesburg | Wireless | Verizon |
| 309-369 | Peoria | Wireless | Verizon |
| 309-370 | Peoria | Wireless | Verizon |
| 309-371 | Galesburg | Wireless | United States Cellular |
| 309-372 | Reynolds | Landline | Reynolds Tel. |
| 309-373 | Rock Island | Wireless | United States Cellular |
| 309-374 | Keithsburg | Landline | Citizens Telecom Co Illinois-frontier Citizens |
| 309-375 | Wataga | Landline | CenturyLink |
| 309-376 | Carlock | Landline | Frontier North |
| 309-377 | Cropsey | Landline | Frontier North |
| 309-378 | Downs | Landline | Frontier North |
| 309-379 | Stanford | Landline | Frontier North |
| 309-380 | Cropsey | Landline | Itv-3 |
| 309-381 | Galesburg | Landline | Vonage America |
| 309-382 | Pekin | Landline | CenturyLink |
| 309-383 | Metamora | Landline | Metamora Tel. |
| 309-385 | Princeville | Landline | Frontier North |
| 309-386 | Bloomington | Landline | Metro Fibernet |
| 309-387 | Groveland | Landline | Frontier North |
| 309-388 | Knoxville | Landline | Comcast Ip Phone |
| 309-389 | Glasford | Landline | Glasford Tel. |
| 309-390 | Downs | Landline | Itv-3 |
| 309-391 | Bloomington | Landline | Peerless Network Of Illinois |
| 309-392 | Stanford | Landline | Frontier North |
| 309-393 | Benson | Landline | Itv-3 |
| 309-394 | Benson | Landline | Frontier North |
| 309-395 | Groveland | Landline | Itv-3 |
| 309-396 | Princeville | Landline | Itv-3 |
| 309-397 | Peoria | Wireless | Verizon |
| 309-398 | Washburn | Landline | Itv-3 |
| 309-399 | Washburn | Landline | Frontier North |
| 309-400 | Stanford | Landline | Itv-3 |
| 309-401 | Peoria | Landline | Level 3 Communications |
| 309-402 | Peoria | Landline | Level 3 Communications |
| 309-403 | Peoria | Landline | Level 3 Communications |
| 309-404 | Peoria | Landline | Level 3 Communications |
| 309-405 | Peoria | Landline | Level 3 Communications |
| 309-406 | Peoria | Landline | Level 3 Communications |
| 309-407 | Peoria | Landline | Level 3 Communications |
| 309-408 | Peoria | Landline | Level 3 Communications |
| 309-409 | Peoria | Landline | Level 3 Communications |
| 309-410 | Peoria | Landline | Level 3 Communications |
| 309-412 | Peoria | Landline | Level 3 Communications |
| 309-413 | Peoria | Landline | Level 3 Communications |
| 309-414 | Peoria | Landline | Level 3 Communications |
| 309-415 | Peoria | Landline | Level 3 Communications |
| 309-416 | Peoria | Landline | Level 3 Communications |
| 309-417 | Peoria | Landline | Level 3 Communications |
| 309-418 | Peoria | Landline | Level 3 Communications |
| 309-419 | Peoria | Landline | Level 3 Communications |
| 309-420 | Peoria | Landline | Level 3 Communications |
| 309-421 | Macomb | Landline | Comcast Ip Phone |
| 309-422 | Peoria | Landline | Level 3 Communications |
| 309-423 | Peoria | Landline | Level 3 Communications |
| 309-425 | Fairview | Landline | AT&T |
| 309-426 | Roseville | Landline | Citizens Telecom Co Illinois-frontier Citizens |
| 309-427 | Peoria | Landline | Illinois Bell Tel |
| 309-428 | Peoria | Wireless | Sprint Spectrum |
| 309-429 | Rock Island | Wireless | Verizon |
| 309-430 | Rock Island | Landline | Geneseo Communications Services |
| 309-431 | Peoria | Landline | Level 3 Communications |
| 309-432 | Minonk | Landline | Frontier North |
| 309-433 | Bloomington | Landline | Frontier North |
| 309-434 | Bloomington | Landline | Frontier North |
| 309-435 | Farmington | Landline | AT&T |
| 309-436 | Bloomington | Landline | Frontier North |
| 309-437 | Peoria | Landline | Level 3 Communications |
| 309-438 | Bloomington | Landline | Frontier North |
| 309-439 | Peoria | Landline | Level 3 Communications |
| 309-440 | Deer Creek | Landline | Itv-3 |
| 309-441 | Hillsdale | Landline | Geneseo Tel. |
| 309-442 | Brimfield | Landline | Itv-3 |
| 309-443 | Lowpoint | Landline | Frontier North |
| 309-444 | Washington | Landline | Frontier North |
| 309-445 | Bloomington | Landline | Teleport Communications America |
| 309-446 | Brimfield | Landline | Frontier North |
| 309-447 | Deer Creek | Landline | Frontier Communications |
| 309-448 | Congerville | Landline | Frontier Communications |
| 309-449 | Hopedale | Landline | Frontier North |
| 309-450 | Congerville | Landline | Itv-3 |
| 309-451 | Bloomington | Landline | Frontier North |
| 309-452 | Bloomington | Landline | Frontier North |
| 309-453 | Peoria | Wireless | Sprint Spectrum |
| 309-454 | Bloomington | Landline | Frontier North |
| 309-455 | Hopedale | Landline | Itv-3 |
| 309-456 | Good Hope | Landline | Mcdonough Tel. |
| 309-457 | Monmouth | Landline | Citizens Telecom Co Illinois-frontier Citizens |
| 309-458 | Plymouth | Landline | Adams Tel. |
| 309-459 | Bloomington | Landline | Mcimetro Access Transmission Services |
| 309-460 | Lowpoint | Landline | Itv-3 |
| 309-461 | Minonk | Landline | Itv-3 |
| 309-462 | Abingdon | Landline | Citizens Telecom Co Illinois-frontier Citizens |
| 309-463 | Varna | Landline | Frontier North |
| 309-464 | North Henderson | Landline | Citizens Telecom Co Illinois-frontier Citizens |
| 309-465 | Avon | Landline | CenturyLink |
| 309-466 | Eureka | Landline | Itv-3 |
| 309-467 | Eureka | Landline | Frontier North |
| 309-468 | Le Roy | Landline | Level 3 Communications |
| 309-469 | Sparland | Landline | Frontier North |
| 309-470 | Peoria | Landline | Illinois Bell Tel |
| 309-471 | Sparland | Landline | Itv-3 |
| 309-472 | Peoria | Wireless | Sprint Spectrum |
| 309-473 | Heyworth | Landline | Frontier North |
| 309-474 | Varna | Landline | Itv-3 |
| 309-475 | Saybrook | Landline | Frontier North |
| 309-476 | Osco | Landline | Citizens Telecom Co Illinois-frontier Citizens |
| 309-477 | Pekin | Landline | CenturyLink |
| 309-478 | Pekin | Landline | CenturyLink |
| 309-479 | Wyoming | Landline | Frontier North |
| 309-480 | Wyoming | Landline | Itv-3 |
| 309-481 | Washington | Landline | Itv-3 |
| 309-482 | Alexis | Landline | Citizens Telecom Co Illinois-frontier Citizens |
| 309-483 | Oneida | Landline | Oneida Tel. Exch. |
| 309-484 | Altona | Landline | Mid Century Tel. |
| 309-485 | Hudson | Landline | Mediacom Telephony Of Illinois |
| 309-486 | London Mills | Landline | Citizens Telecom Co Illinois-frontier Citizens |
| 309-487 | Downs | Landline | Mediacom Telephony Of Illinois |
| 309-488 | Farmer City | Landline | Mediacom Telephony Of Illinois |
| 309-489 | Geneseo | Wireless | Sprint Spectrum |
| 309-490 | Lexington | Landline | Mediacom Telephony Of Illinois |
| 309-491 | Waynesville | Landline | Mediacom Telephony Of Illinois |
| 309-492 | Wyoming | Landline | Itv-3 |
| 309-493 | Wyoming | Landline | Frontier North |
| 309-494 | Peoria | Landline | Illinois Bell Tel |
| 309-495 | Peoria | Landline | Illinois Bell Tel |
| 309-496 | Hampton | Landline | Citizens Telecom Co Illinois-frontier Citizens |
| 309-497 | Peoria | Landline | Illinois Bell Tel |
| 309-498 | Heyworth | Landline | Mediacom Telephony Of Illinois |
| 309-499 | Le Roy | Landline | Mediacom Telephony Of Illinois |
| 309-501 | Washington | Landline | T-Mobile |
| 309-502 | Geneseo | Wireless | Sprint Spectrum |
| 309-503 | Towanda | Landline | Mediacom Telephony Of Illinois |
| 309-504 | Danvers | Landline | Ymax Communications |
| 309-505 | Washington | Landline | Itv-3 |
| 309-506 | Rock Island | Wireless | Sprint Spectrum |
| 309-507 | Geneseo | Wireless | United States Cellular |
| 309-508 | Peoria | Landline | Mtco Communications |
| 309-509 | Galesburg | Wireless | Verizon |
| 309-510 | Peoria | Landline | Local Access |
| 309-512 | Peoria | Landline | CenturyLink Communications |
| 309-513 | Aledo | Landline | Citizens Telecom Co Illinois-frontier Citizens |
| 309-514 | Albany | Landline | Mediacom Telephony Of Illinois |
| 309-515 | Erie | Landline | Mediacom Telephony Of Illinois |
| 309-516 | Kilbourne | Landline | CenturyLink Communications |
| 309-517 | Rock Island | Landline | Level 3 Communications |
| 309-518 | Lewistown | Landline | Level 3 Communications |
| 309-519 | Rock Island | Wireless | New Cingular Wireless |
| 309-520 | Rock Island | Wireless | Sprint Spectrum |
| 309-521 | Osco | Landline | Cambridge Tel. |
| 309-522 | Osco | Landline | Cambridge Tel. |
| 309-523 | Port Byron | Landline | Citizens Telecom Co Illinois-frontier Citizens |
| 309-524 | Moline | Landline | Illinois Bell Tel |
| 309-525 | Kewanee | Wireless | United States Cellular |
| 309-526 | Orion | Landline | Frontier Communications |
| 309-527 | El Paso | Landline | Consolidated Communications Of Central Illinois |
| 309-528 | Bloomington | Wireless | American Messaging Services |
| 309-529 | Alpha | Landline | Citizens Telecom Co Illinois-frontier Citizens |
| 309-530 | Bloomington | Wireless | New Cingular Wireless |
| 309-531 | Bloomington | Wireless | New Cingular Wireless |
| 309-532 | Bloomington | Wireless | New Cingular Wireless |
| 309-533 | Bloomington | Wireless | New Cingular Wireless |
| 309-534 | Sherrard | Landline | Citizens Telecom Co Illinois-frontier Citizens |
| 309-535 | Topeka | Landline | CenturyLink |
| 309-536 | Monmouth | Wireless | Verizon |
| 309-537 | New Boston | Landline | Citizens Telecom Co Illinois-frontier Citizens |
| 309-538 | Kilbourne | Landline | Citizens Telecom Co Illinois-frontier Citizens |
| 309-539 | Rock Island | Landline | Level 3 Communications |
| 309-540 | Kewanee | Wireless | Sprint Spectrum |
| 309-541 | Galesburg | Landline | Onvoy |
| 309-542 | Waynesville | Wireless | Sprint Spectrum |
| 309-543 | Havana | Landline | CenturyLink |
| 309-544 | Macomb | Wireless | Verizon |
| 309-545 | Mapleton | Landline | CenturyLink |
| 309-546 | Bath | Landline | Citizens Telecom Co Illinois-frontier Citizens |
| 309-547 | Lewistown | Landline | Illinois Bell Tel |
| 309-548 | Roseville | Landline | Mediacom Telephony Of Illinois |
| 309-549 | Galesburg | Landline | Telnyx |
| 309-550 | Peoria | Landline | Mcimetro Access Transmission Services |
| 309-551 | Viola | Landline | Mediacom Telephony Of Illinois |
| 309-552 | Atkinson | Landline | Mediacom Telephony Of Illinois |
| 309-553 | Rock Island | Wireless | Sprint Spectrum |
| 309-554 | Lacon | Landline | Mediacom Telephony Of Illinois |
| 309-556 | Bloomington | Landline | Frontier North |
| 309-557 | Bloomington | Landline | Frontier North |
| 309-558 | Rock Island | Landline | Illinois Bell Tel |
| 309-559 | Oquawka | Landline | Mediacom Telephony Of Illinois |
| 309-560 | Colfax | Landline | Teleport Communications America |
| 309-561 | Peoria | Landline | Mcimetro Access Transmission Services |
| 309-562 | Easton | Landline | Cass Telephone Company |
| 309-563 | Monmouth | Landline | CenturyLink |
| 309-564 | El Paso | Landline | Mediacom Telephony Of Illinois |
| 309-565 | Hanna City | Landline | Illinois Bell Tel |
| 309-566 | Peoria | Landline | Illinois Bell Tel |
| 309-567 | Peoria | Landline | Mcimetro Access Transmission Services |
| 309-568 | Osco | Landline | New Windsor Cable Tv |
| 309-569 | Bushnell | Wireless | New Cingular Wireless |
| 309-570 | Peoria | Landline | Stratus Networks |
| 309-571 | Peoria | Landline | Telnyx |
| 309-572 | Edelstein | Landline | Frontier North |
| 309-573 | Peoria | Landline | Teleport Communications America |
| 309-574 | Aledo | Wireless | Verizon |
| 309-575 | Colchester | Landline | Mtc Communications |
| 309-576 | Edelstein | Landline | Frontier North |
| 309-577 | Edelstein | Landline | Frontier North |
| 309-578 | Edelstein | Landline | Frontier North |
| 309-579 | Edelstein | Landline | Frontier North |
| 309-580 | Peoria | Landline | Itv-3 |
| 309-581 | Rock Island | Landline | Teleport Communications America |
| 309-582 | Aledo | Landline | Citizens Telecom Co Illinois-frontier Citizens |
| 309-583 | Pekin | Landline | Comcast Ip Phone |
| 309-584 | Joy | Landline | Citizens Telecom Co Illinois-frontier Citizens |
| 309-585 | Bloomington | Landline | Comcast Ip Phone |
| 309-586 | Seaton | Landline | Citizens Telecom Co Illinois-frontier Citizens |
| 309-587 | New Boston | Landline | Citizens Telecom Co Illinois-frontier Citizens |
| 309-588 | Macomb | Landline | Level 3 Communications |
| 309-589 | Peoria Heights | Landline | Illinois Bell Tel |
| 309-590 | Bloomington | Landline | Onvoy |
| 309-592 | Rock Island | Wireless | New Cingular Wireless |
| 309-593 | Sherrard | Landline | Citizens Telecom Co Illinois-frontier Citizens |
| 309-594 | Neponset | Landline | Frontier North |
| 309-595 | Neponset | Landline | Itv-3 |
| 309-596 | Viola | Landline | Viola Home Tel. |
| 309-597 | Forest City | Landline | CenturyLink |
| 309-598 | Kirkwood | Landline | Level 3 Communications |
| 309-599 | London Mills | Landline | Mediacom Telephony Of Illinois |
| 309-600 | Sherrard | Landline | Mediacom Telephony Of Illinois |
| 309-601 | Rock Island | Landline | Cs Technologies |
| 309-602 | New Windsor | Landline | New Windsor Cable Tv |
| 309-603 | Chillicothe | Landline | Mediacom Telephony Of Illinois |
| 309-604 | Farmington | Landline | Level 3 Communications |
| 309-605 | Bath | Landline | CenturyLink Communications |
| 309-606 | Wyoming | Landline | Level 3 Communications |
| 309-607 | Rock Island | Landline | Cs Technologies |
| 309-608 | San Jose | Landline | Bandwidth.com |
| 309-609 | Altona | Landline | Mediacom Telephony Of Illinois |
| 309-610 | Forest City | Landline | Radiantiq |
| 309-612 | Bloomington | Wireless | Csc Wireless |
| 309-613 | Pekin | Wireless | Sprint Spectrum |
| 309-614 | Smithfield | Wireless | New Cingular Wireless |
| 309-615 | Peoria | Wireless | Csc Wireless |
| 309-616 | Williamsfield | Landline | Mediacom Telephony Of Illinois |
| 309-617 | Peoria | Landline | Onvoy |
| 309-619 | Chillicothe | Landline | Stratus Networks |
| 309-620 | Pekin | Wireless | Verizon |
| 309-621 | Peoria | Landline | New Cingular Wireless |
| 309-622 | Bloomington | Landline | Frontier North |
| 309-624 | Peoria | Landline | Illinois Bell Tel |
| 309-625 | Aledo | Landline | Mediacom Telephony Of Illinois |
| 309-626 | Orion | Landline | Mediacom Telephony Of Illinois |
| 309-627 | Biggsville | Landline | Citizens Telecom Co Illinois-frontier Citizens |
| 309-628 | Aledo | Landline | Level 3 Communications |
| 309-629 | Alpha | Landline | Woodhull Community Tel. |
| 309-630 | North Henderson | Wireless | New Cingular Wireless |
| 309-631 | Rock Island | Wireless | T-Mobile |
| 309-632 | Delavan | Landline | Stratus Networks |
| 309-633 | Peoria | Landline | Illinois Bell Tel |
| 309-634 | Peoria | Landline | Illinois Bell Tel |
| 309-635 | Peoria | Wireless | United States Cellular |
| 309-636 | Peoria | Landline | Illinois Bell Tel |
| 309-637 | Peoria | Landline | Illinois Bell Tel |
| 309-638 | Galva | Landline | Stratus Networks |
| 309-639 | Williamsfield | Landline | Mid Century Tel. |
| 309-640 | Havana | Landline | Onvoy |
| 309-641 | Morton | Landline | Level 3 Communications |
| 309-642 | Pekin | Wireless | Sprint Spectrum |
| 309-643 | Peoria | Landline | AT&T |
| 309-644 | Rock Island | Landline | Level 3 Communications |
| 309-645 | Peoria | Wireless | United States Cellular |
| 309-646 | Peoria | Wireless | USA Mobility Wireless |
| 309-647 | Canton | Landline | Illinois Bell Tel |
| 309-648 | Peoria | Wireless | Sprint Spectrum |
| 309-649 | Canton | Landline | Illinois Bell Tel |
| 309-650 | Peoria | Landline | Onvoy |
| 309-651 | Yates City | Landline | Mediacom Telephony Of Illinois |
| 309-652 | Sciota | Landline | Mcdonough Tel. |
| 309-653 | Table Grove | Landline | Mcdonough Tel. |
| 309-654 | Cordova | Landline | Citizens Telecom Co Illinois-frontier Citizens |
| 309-655 | Peoria | Landline | Illinois Bell Tel |
| 309-656 | Pekin | Landline | Stratus Networks |
| 309-657 | Peoria | Wireless | Verizon |
| 309-658 | Hillsdale | Landline | Citizens Telecom Co Illinois-frontier Citizens |
| 309-659 | Erie | Landline | Citizens Telecom Co Illinois-frontier Citizens |
| 309-660 | Bloomington | Wireless | New Cingular Wireless |
| 309-661 | Bloomington | Landline | Frontier North |
| 309-662 | Bloomington | Landline | Frontier North |
| 309-663 | Bloomington | Landline | Frontier North |
| 309-664 | Bloomington | Landline | Frontier North |
| 309-665 | Bloomington | Landline | Frontier North |
| 309-666 | Peoria | Landline | Fractel |
| 309-667 | New Windsor | Landline | New Windsor Tel. |
| 309-668 | Canton | Landline | Illinois Bell Tel |
| 309-669 | Peoria | Landline | Illinois Bell Tel |
| 309-670 | Peoria | Landline | Itv-3 |
| 309-671 | Peoria | Landline | Illinois Bell Tel |
| 309-672 | Peoria | Landline | Illinois Bell Tel |
| 309-673 | Peoria | Landline | Illinois Bell Tel |
| 309-674 | Peoria | Landline | Illinois Bell Tel |
| 309-675 | Peoria | Landline | Illinois Bell Tel |
| 309-676 | Peoria | Landline | Illinois Bell Tel |
| 309-677 | Peoria | Landline | Illinois Bell Tel |
| 309-678 | Peoria | Wireless | United States Cellular |
| 309-679 | Peoria | Landline | Illinois Bell Tel |
| 309-680 | Peoria | Landline | Illinois Bell Tel |
| 309-681 | Peoria | Landline | Illinois Bell Tel |
| 309-682 | Peoria | Landline | Illinois Bell Tel |
| 309-683 | Peoria Heights | Landline | Illinois Bell Tel |
| 309-684 | Bloomington | Landline | AT&T |
| 309-685 | Peoria | Landline | Illinois Bell Tel |
| 309-686 | Peoria | Landline | Illinois Bell Tel |
| 309-687 | Peoria | Landline | Illinois Bell Tel |
| 309-688 | Peoria | Landline | Illinois Bell Tel |
| 309-689 | Peoria Heights | Landline | Illinois Bell Tel |
| 309-690 | Peoria Heights | Landline | Illinois Bell Tel |
| 309-691 | Peoria Heights | Landline | Illinois Bell Tel |
| 309-692 | Peoria Heights | Landline | Illinois Bell Tel |
| 309-693 | Peoria Heights | Landline | Illinois Bell Tel |
| 309-694 | Peoria | Landline | Illinois Bell Tel |
| 309-695 | Wyoming | Landline | Frontier North |
| 309-696 | Peoria | Wireless | Verizon |
| 309-697 | Peoria | Landline | Illinois Bell Tel |
| 309-698 | Peoria | Landline | Illinois Bell Tel |
| 309-699 | Peoria | Landline | Illinois Bell Tel |
| 309-701 | East Peoria | Landline | Stratus Networks |
| 309-702 | Wyoming | Landline | Itv-3 |
| 309-703 | Abingdon | Landline | Mediacom Telephony Of Illinois |
| 309-704 | Trivoli | Landline | Stratus Networks |
| 309-705 | Roseville | Landline | Level 3 Communications |
| 309-706 | Bloomington | Wireless | Sprint Spectrum |
| 309-707 | Cambridge | Landline | Mediacom Telephony Of Illinois |
| 309-709 | Manito | Landline | Stratus Networks |
| 309-710 | Hooppole | Landline | Mediacom Telephony Of Illinois |
| 309-712 | Peoria | Landline | United States Cellular |
| 309-713 | Peoria | Landline | Comcast Ip Phone |
| 309-714 | Geneseo | Wireless | Verizon |
| 309-715 | Monmouth | Landline | Mtc Communications |
| 309-716 | Silvis | Wireless | New Cingular Wireless |
| 309-717 | Washington | Landline | Level 3 Communications |
| 309-718 | Bloomington | Landline | Stratus Networks |
| 309-720 | Sherrard | Landline | Mediacom Telephony Of Illinois |
| 309-721 | Rock Island | Wireless | Sprint Spectrum |
| 309-722 | Bellflower | Landline | Frontier North |
| 309-723 | Colfax | Landline | Frontier North |
| 309-724 | Ellsworth | Landline | Frontier North |
| 309-725 | Cooksville | Landline | Frontier Communications |
| 309-726 | Hudson | Landline | Frontier North |
| 309-727 | Arrowsmith | Landline | Frontier North |
| 309-728 | Towanda | Landline | Frontier Communications |
| 309-729 | Little York | Landline | Citizens Telecom Co Illinois-frontier Citizens |
| 309-730 | Hudson | Landline | Itv-3 |
| 309-731 | Macomb | Landline | Level 3 Communications |
| 309-732 | Rock Island | Landline | Illinois Bell Tel |
| 309-733 | Groveland | Landline | Level 3 Communications |
| 309-734 | Monmouth | Landline | Citizens Telecom Co Illinois-frontier Citizens |
| 309-735 | Bloomington | Landline | Frontier North |
| 309-736 | Moline | Landline | Illinois Bell Tel |
| 309-737 | Rock Island | Wireless | United States Cellular |
| 309-738 | Rock Island | Wireless | United States Cellular |
| 309-739 | Secor | Landline | Itv-3 |
| 309-740 | Peoria | Landline | Level 3 Communications |
| 309-741 | Elmwood | Landline | Itv-3 |
| 309-742 | Elmwood | Landline | Frontier North |
| 309-743 | Moline | Landline | Illinois Bell Tel |
| 309-744 | Secor | Landline | Frontier Communications |
| 309-745 | Washington | Landline | Frontier North |
| 309-746 | Stronghurst | Landline | Mcdonough Tel. |
| 309-747 | Gridley | Landline | Gridley Tel. |
| 309-748 | East Moline | Landline | Illinois Bell Tel |
| 309-749 | East Moline | Landline | Illinois Bell Tel |
| 309-750 | Bloomington | Wireless | T-Mobile |
| 309-751 | East Moline | Landline | Illinois Bell Tel |
| 309-752 | East Moline | Landline | Illinois Bell Tel |
| 309-753 | Ipava | Landline | Illinois Bell Tel |
| 309-754 | Viola | Landline | Citizens Telecom Co Illinois-frontier Citizens |
| 309-755 | East Moline | Landline | Illinois Bell Tel |
| 309-756 | Rock Island | Landline | Illinois Bell Tel |
| 309-757 | Moline | Landline | Illinois Bell Tel |
| 309-758 | Table Grove | Landline | Mid Century Tel. |
| 309-759 | Astoria | Landline | Mid Century Tel. |
| 309-760 | Monmouth | Landline | Level 3 Communications |
| 309-761 | Kewanee | Landline | Level 3 Communications |
| 309-762 | Moline | Landline | Illinois Bell Tel |
| 309-763 | Bloomington | Landline | Frontier North |
| 309-764 | Moline | Landline | Illinois Bell Tel |
| 309-765 | Moline | Landline | Illinois Bell Tel |
| 309-766 | Bloomington | Landline | Frontier North |
| 309-767 | Kewanee | Landline | Level 3 Communications |
| 309-768 | Kirkwood | Landline | Citizens Telecom Co Illinois-frontier Citizens |
| 309-769 | Macomb | Landline | Mcdonough Tel. |
| 309-770 | Wyoming | Landline | Frontier North |
| 309-771 | Hillsdale | Landline | Mediacom Telephony Of Illinois |
| 309-772 | Bushnell | Landline | Frontier North |
| 309-773 | Hampton | Landline | Stratus Networks |
| 309-774 | Roseville | Landline | Mcdonough Tel. |
| 309-775 | Prairie City | Landline | Frontier North |
| 309-776 | Colchester | Landline | Mcdonough Tel. |
| 309-777 | Ipava | Landline | Peerless Network Of Illinois |
| 309-778 | Fairview | Landline | Mid Century Tel. |
| 309-779 | Rock Island | Landline | Illinois Bell Tel |
| 309-780 | Manito | Landline | Onvoy |
| 309-781 | Rock Island | Wireless | Verizon |
| 309-782 | Rock Island | Landline | Illinois Bell Tel |
| 309-783 | Smithfield | Landline | Mid Century Tel. |
| 309-784 | Vermont | Landline | Frontier North |
| 309-785 | Cuba | Landline | Frontier North |
| 309-786 | Rock Island | Landline | Illinois Bell Tel |
| 309-787 | Rock Island | Landline | Illinois Bell Tel |
| 309-788 | Rock Island | Landline | Illinois Bell Tel |
| 309-789 | Smithfield | Landline | Illinois Bell Tel |
| 309-790 | Topeka | Landline | Onvoy |
| 309-791 | Taylor Ridge | Landline | Illinois Bell Tel |
| 309-792 | East Moline | Landline | Illinois Bell Tel |
| 309-793 | Rock Island | Landline | Illinois Bell Tel |
| 309-794 | Rock Island | Landline | Illinois Bell Tel |
| 309-795 | Taylor Ridge | Landline | Illinois Bell Tel |
| 309-796 | East Moline | Landline | Illinois Bell Tel |
| 309-797 | Moline | Landline | Illinois Bell Tel |
| 309-798 | Taylor Ridge | Landline | Illinois Bell Tel |
| 309-799 | Moline | Landline | Illinois Bell Tel |
| 309-801 | Stronghurst | Landline | Mediacom Telephony Of Illinois |
| 309-802 | Peoria | Landline | Hd Carrier |
| 309-803 | Farmington | Landline | Brightlink Communications |
| 309-804 | Seaton | Landline | Stratus Networks |
| 309-805 | Rio | Landline | Stratus Networks |
| 309-806 | Little York | Landline | Stratus Networks |
| 309-807 | Bloomington | Landline | Level 3 Communications |
| 309-808 | Bloomington | Landline | Comcast Ip Phone |
| 309-809 | Reynolds | Landline | Mediacom Telephony Of Illinois |
| 309-810 | Peoria | Wireless | Onvoy Spectrum |
| 309-812 | Bloomington | Landline | Stratus Networks |
| 309-813 | Bellflower | Landline | Stratus Networks |
| 309-814 | Glasford | Landline | Mediacom Telephony Of Illinois |
| 309-816 | Monmouth | Landline | Ip Horizon |
| 309-817 | Maquon | Landline | Mediacom Telephony Of Illinois |
| 309-818 | Bloomington | Landline | Itv-3 |
| 309-819 | Washington | Landline | Frontier North |
| 309-820 | Bloomington | Landline | Frontier North |
| 309-821 | Bloomington | Landline | Frontier North |
| 309-822 | Peoria | Landline | Illinois Bell Tel |
| 309-823 | Bloomington | Landline | Frontier North |
| 309-824 | Bloomington | Wireless | Verizon |
| 309-825 | Bloomington | Wireless | New Cingular Wireless |
| 309-826 | Bloomington | Wireless | New Cingular Wireless |
| 309-827 | Bloomington | Landline | Frontier North |
| 309-828 | Bloomington | Landline | Frontier North |
| 309-829 | Bloomington | Landline | Frontier North |
| 309-830 | Bloomington | Wireless | Verizon |
| 309-831 | Bloomington | Landline | Frontier North |
| 309-832 | Abingdon | Landline | Level 3 Communications |
| 309-833 | Macomb | Landline | Frontier North |
| 309-834 | Bloomington | Landline | Level 3 Communications |
| 309-835 | Peoria | Landline | Ip Horizon |
| 309-836 | Macomb | Landline | Frontier North |
| 309-837 | Macomb | Landline | Frontier North |
| 309-838 | Bloomington | Wireless | Verizon |
| 309-839 | Peoria | Landline | Comcast Ip Phone |
| 309-840 | Pekin | Wireless | Verizon |
| 309-841 | New Boston | Landline | Stratus Networks |
| 309-842 | Metamora | Landline | Mediacom Telephony Of Illinois |
| 309-843 | Alexis | Landline | Mediacom Telephony Of Illinois |
| 309-844 | Peoria | Landline | Commio |
| 309-845 | Osco | Landline | Mediacom Telephony Of Illinois |
| 309-846 | Bloomington | Wireless | Verizon |
| 309-847 | Kewanee | Wireless | T-Mobile |
| 309-848 | Rock Island | Landline | Mediacom Telephony Of Illinois |
| 309-849 | Metamora | Landline | Mediacom Telephony Of Illinois |
| 309-851 | Kewanee | Landline | Itv-3 |
| 309-852 | Kewanee | Landline | Frontier North |
| 309-853 | Kewanee | Landline | Frontier North |
| 309-854 | Kewanee | Landline | Frontier North |
| 309-855 | Fairview | Landline | Mediacom Telephony Of Illinois |
| 309-856 | Kewanee | Landline | Frontier North |
| 309-857 | Peoria | Landline | Onvoy |
| 309-860 | Maquon | Wireless | New Cingular Wireless |
| 309-862 | Bloomington | Landline | Frontier North |
| 309-863 | Peoria | Landline | Level 3 Communications |
| 309-864 | Macomb | Landline | Teleport Communications America |
| 309-865 | Rock Island | Landline | CenturyLink Communications |
| 309-866 | Morton | Landline | Frontier North |
| 309-867 | Oquawka | Landline | Citizens Telecom Co Illinois-frontier Citizens |
| 309-868 | Peoria | Wireless | T-Mobile |
| 309-869 | Lewistown | Landline | Telnyx |
| 309-871 | Viola | Landline | Mediacom Telephony Of Illinois |
| 309-872 | Rio | Landline | Citizens Telecom Co Illinois-frontier Citizens |
| 309-873 | Stronghurst | Landline | Citizens Telecom Co Illinois-frontier Citizens |
| 309-874 | Waynesville | Landline | Frontier North |
| 309-875 | Yates City | Landline | Mid Century Tel. |
| 309-876 | Knoxville | Landline | Mid Century Tel. |
| 309-877 | Peoria | Landline | Terra Nova Telecom Inc. |
| 309-879 | Victoria | Landline | Mid Century Tel. |
| 309-880 | Ipava | Landline | Hd Carrier |
| 309-883 | Kewanee | Wireless | Verizon |
| 309-884 | Peoria | Landline | Teleport Communications America |
| 309-885 | Pekin | Landline | CenturyLink |
| 309-886 | Washington | Landline | Frontier North |
| 309-887 | Albany | Landline | Citizens Telecom Co Illinois-frontier Citizens |
| 309-888 | Bloomington | Landline | Frontier North |
| 309-889 | Metamora | Wireless | AT&T |
| 309-893 | Saybrook | Landline | Level 3 Communications |
| 309-894 | Buda | Landline | Itv-3 |
| 309-895 | Buda | Landline | Frontier North |
| 309-896 | Toulon | Landline | Frontier North |
| 309-897 | Bradford | Landline | Frontier North |
| 309-898 | Bradford | Landline | Itv-3 |
| 309-899 | Toulon | Landline | Itv-3 |
| 309-903 | Rock Island | Landline | Onvoy |
| 309-912 | Moline | Wireless | New Cingular Wireless |
| 309-921 | Roanoke | Landline | Itv-3 |
| 309-922 | Peoria | Wireless | Sprint Spectrum |
| 309-923 | Roanoke | Landline | Frontier North |
| 309-924 | Stronghurst | Landline | Citizens Telecom Co Illinois-frontier Citizens |
| 309-925 | Tremont | Landline | Frontier North |
| 309-926 | Marietta | Landline | Mid Century Tel. |
| 309-927 | Woodhull | Landline | Mid Century Tel. |
| 309-928 | Farmer City | Landline | Frontier North |
| 309-929 | Tremont | Landline | Itv-3 |
| 309-932 | Galva | Landline | Frontier North |
| 309-933 | Rock Island | Landline | Mediacom Telephony Of Illinois |
| 309-934 | Annawan | Landline | Henry County Tel. |
| 309-935 | Annawan | Landline | Henry County Tel. |
| 309-936 | Atkinson | Landline | Henry County Tel. |
| 309-937 | Cambridge | Landline | Cambridge Tel. |
| 309-938 | Morton | Landline | Level 3 Communications |
| 309-944 | Geneseo | Landline | Geneseo Tel. |
| 309-945 | Geneseo | Landline | Geneseo Tel. |
| 309-946 | Geneseo | Landline | Geneseo Tel. |
| 309-948 | Rock Island | Landline | Level 3 Communications |
| 309-949 | Silvis | Landline | Geneseo Tel. |
| 309-954 | Macomb | Wireless | T-Mobile |
| 309-955 | Wataga | Landline | Mediacom Telephony Of Illinois |
| 309-961 | Le Roy | Landline | Itv-3 |
| 309-962 | Le Roy | Landline | Frontier North |
| 309-963 | Danvers | Landline | Frontier Communications |
| 309-964 | Goodfield | Landline | Itv-3 |
| 309-965 | Goodfield | Landline | Frontier Communications |
| 309-966 | Peoria | Landline | Comcast Ip Phone |
| 309-968 | Manito | Landline | CenturyLink |
| 309-972 | Rio | Landline | Oneida Network Services |
| 309-973 | Galesburg | Landline | United States Cellular |
| 309-977 | Green Valley | Landline | Mediacom Telephony Of Illinois |
| 309-981 | Peoria | Landline | Ymax Communications |
| 309-987 | Cordova | Landline | Mediacom Telephony Of Illinois |
| 309-988 | Lacon | Wireless | Sprint Spectrum |
| 309-989 | Peoria | Landline | T-Mobile |
| 309-992 | Peoria | Landline | Illinois Bell Tel |
| 309-994 | Bloomington | Landline | Frontier North |
| 309-995 | La Fayette | Landline | Mid Century Tel. |
| 309-997 | Good Hope | Landline | Mediacom Telephony Of Illinois |
| 309-998 | Farmington | Landline | Century Enterprises |
| 309-999 | Peoria | Landline | Illinois Bell Tel |