Illinois
Area Codes List: 217, 224, 309, 312, 331, 618, 630, 708, 773, 779, 815, 847, 872
| Prefix | City | Company | Type | Introduced |
| 312201 | Chicago, IL | Ameritech Illinois | Landline | 11/11/2003 |
| 312202 | Chicago, IL | Ameritech Illinois | Landline | 04/01/1997 |
| 312203 | Chicago, IL | New Cingular Wireless PCS | Cell Number | 11/11/2003 |
| 312204 | Chicago, IL | Ameritech Illinois | Landline | 10/11/1997 |
| 312205 | Chicago, IL | Allegiance Telecom | Landline | 08/20/2000 |
| 312206 | Chicago, IL | New Cingular Wireless PCS | Cell Number | 11/11/2003 |
| 312207 | Chicago, IL | Ameritech Illinois | Landline | 10/11/1997 |
| 312208 | Chicago, IL | New Cingular Wireless PCS | Cell Number | 11/11/2003 |
| 312212 | Chicago, IL | Ameritech Illinois | Landline | 10/31/2000 |
| 312213 | Chicago, IL | New Cingular Wireless PCS | Cell Number | 11/11/2003 |
| 312214 | Chicago, IL | Ameritech Illinois | Landline | 11/11/2003 |
| 312216 | Chicago, IL | First Communications LLC | Landline | 02/13/2012 |
| 312217 | Chicago, IL | United States Cellular Corp. – Illinois | Cell Number | 11/11/2003 |
| 312218 | Chicago, IL | New Cingular Wireless PCS | Cell Number | 11/11/2003 |
| 312219 | Chicago, IL | Bandwidth.com Clec | Cell Number | 04/10/2012 |
| 312220 | Chicago, IL | Ameritech Illinois | Landline | 02/04/1994 |
| 312221 | Chicago, IL | Sprint Spectrum L.p. | Cell Number | 06/17/2011 |
| 312222 | Chicago, IL | Ameritech Illinois | Landline | 02/04/1994 |
| 312223 | Chicago, IL | Ameritech Illinois | Landline | 10/11/1997 |
| 312224 | Chicago, IL | Broadwing Communications | Landline | 10/13/1999 |
| 312225 | Chicago, IL | Ameritech Illinois | Landline | 10/11/1997 |
| 312226 | Chicago, IL | Ameritech Illinois | Landline | 10/11/1997 |
| 312227 | Chicago, IL | Ameritech Illinois | Landline | 09/15/2010 |
| 312228 | Chicago, IL | Ameritech Illinois | Landline | 10/11/1997 |
| 312229 | Chicago, IL | Ameritech Illinois | Landline | 06/13/2000 |
| 312230 | Chicago, IL | Ameritech Illinois | Landline | 10/11/1997 |
| 312232 | Chicago, IL | American Messaging (am) | Cell Number | 04/23/2001 |
| 312233 | Chicago, IL | Ameritech Illinois | Landline | 10/13/1999 |
| 312234 | Chicago, IL | Ameritech Illinois | Landline | 01/25/1998 |
| 312235 | Chicago, IL | Ameritech Illinois | Landline | 01/14/2000 |
| 312236 | Chicago, IL | Ameritech Illinois | Landline | 11/11/2003 |
| 312237 | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cell Number | 10/31/2000 |
| 312238 | Chicago, IL | Broadwing Communications | Landline | 10/13/1999 |
| 312239 | Chicago, IL | AT&T Local | Landline | 01/25/1998 |
| 312240 | Chicago, IL | Ameritech Illinois | Landline | 10/11/1997 |
| 312241 | Chicago, IL | New Cingular Wireless PCS | Cell Number | 08/17/2011 |
| 312242 | Chicago, IL | Teleport Communications America | Landline | 08/20/2000 |
| 312243 | Chicago, IL | Ameritech Illinois | Landline | 10/11/1997 |
| 312244 | Chicago, IL | Ameritech Illinois | Landline | 10/31/2000 |
| 312245 | Chicago, IL | Ameritech Illinois | Landline | 10/11/1997 |
| 312247 | Chicago, IL | First Communications LLC | Landline | 04/06/2004 |
| 312249 | Chicago, IL | Usa Mobility Wireless | Cell Number | 02/04/1994 |
| 312250 | Chicago, IL | Usa Mobility Wireless | Cell Number | 02/04/1994 |
| 312251 | Chicago, IL | Ameritech Illinois | Landline | 10/11/1997 |
| 312252 | Chicago, IL | Allegiance Telecom | Landline | 01/25/1998 |
| 312253 | Chicago, IL | Allegiance Telecom | Landline | 01/25/1998 |
| 312254 | Chicago, IL | Allegiance Telecom | Landline | 01/25/1998 |
| 312255 | Chicago, IL | Ameritech Illinois | Landline | 10/11/1997 |
| 312256 | Chicago, IL | Allegiance Telecom | Landline | 01/25/1998 |
| 312257 | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cell Number | 08/18/2011 |
| 312258 | Chicago, IL | Ameritech Illinois | Landline | 10/11/1997 |
| 312259 | Chicago, IL | New Cingular Wireless PCS | Cell Number | 11/11/2003 |
| 312260 | Chicago, IL | Mcimetro Access Transmission Services LLC | Landline | 04/01/1997 |
| 312261 | Chicago, IL | Broadwing Communications | Landline | 05/10/1999 |
| 312262 | Chicago, IL | Allegiance Telecom | Landline | 01/25/1998 |
| 312263 | Chicago, IL | Ameritech Illinois | Landline | 02/04/1994 |
| 312264 | Chicago, IL | Broadwing Communications | Landline | 07/22/1999 |
| 312265 | Chicago, IL | Access One | Landline | 11/29/2005 |
| 312266 | Chicago, IL | Ameritech Illinois | Landline | 02/04/1994 |
| 312267 | Chicago, IL | Ameritech Illinois | Landline | 06/13/2000 |
| 312268 | Chicago, IL | Broadwing Communications | Landline | 03/03/2001 |
| 312269 | Chicago, IL | Ameritech Illinois | Landline | 02/04/1994 |
| 312271 | Chicago, IL | Usa Mobility Wireless | Cell Number | 01/25/1998 |
| 312272 | Chicago, IL | Usa Mobility Wireless | Cell Number | 07/01/1996 |
| 312273 | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cell Number | 09/13/2011 |
| 312274 | Chicago, IL | Ameritech Illinois | Landline | 01/25/1998 |
| 312275 | Chicago, IL | Allegiance Telecom | Landline | 01/25/1998 |
| 312276 | Chicago, IL | Allegiance Telecom | Landline | 01/25/1998 |
| 312277 | Chicago, IL | Allegiance Telecom | Landline | 01/25/1998 |
| 312278 | Chicago, IL | Broadwing Communications | Landline | 10/31/2000 |
| 312279 | Chicago, IL | Mcimetro Access Transmission Services LLC | Landline | 01/25/1998 |
| 312280 | Chicago, IL | Ameritech Illinois | Landline | 10/11/1997 |
| 312281 | Chicago, IL | Global Crossing Local Services-il | Landline | 10/13/1999 |
| 312282 | Chicago, IL | New Cingular Wireless PCS | Cell Number | 10/31/2000 |
| 312283 | Chicago, IL | Global Crossing Local Services-il | Landline | 10/13/1999 |
| 312284 | Chicago, IL | Xo Illinois | Landline | 06/30/2001 |
| 312285 | Chicago, IL | Sprint Spectrum L.p. | Cell Number | 06/30/2001 |
| 312286 | Chicago, IL | New Cingular Wireless PCS | Cell Number | 06/13/2000 |
| 312287 | Chicago, IL | Sprint Spectrum L.p. | Cell Number | 10/31/2000 |
| 312288 | Chicago, IL | Mcimetro Access Transmission Services LLC | Landline | 01/25/1998 |
| 312289 | Chicago, IL | Usa Mobility Wireless | Cell Number | 02/04/1994 |
| 312290 | Chicago, IL | Usa Mobility Wireless | Cell Number | 11/11/2003 |
| 312291 | Chicago, IL | Ameritech Illinois | Landline | 06/13/2000 |
| 312292 | Chicago, IL | Bandwidth.com Clec | Cell Number | 09/02/2011 |
| 312293 | Chicago, IL | Ameritech Illinois | Landline | 02/04/1994 |
| 312294 | Chicago, IL | Ameritech Illinois | Landline | 10/11/1997 |
| 312296 | Chicago, IL | Sprint Spectrum L.p. | Cell Number | 01/14/2000 |
| 312297 | Chicago, IL | Ameritech Illinois | Landline | 02/11/1995 |
| 312298 | Chicago, IL | Sigecom | Landline | 07/22/1999 |
| 312299 | Chicago, IL | Usa Mobility Wireless | Cell Number | 02/04/1994 |
| 312300 | Chicago, IL | Net Talk.com | Landline | 04/25/2011 |
| 312302 | Chicago, IL | Ameritech Illinois | Landline | 02/04/1994 |
| 312306 | Chicago, IL | Ameritech Illinois | Landline | 02/04/1994 |
| 312307 | Chicago, IL | New Cingular Wireless PCS | Cell Number | 11/11/2003 |
| 312308 | Chicago, IL | Ameritech Illinois | Landline | 10/11/1997 |
| 312309 | Chicago, IL | Ameritech Illinois | Landline | 11/11/2003 |
| 312315 | Chicago, IL | New Cingular Wireless PCS | Cell Number | 11/11/2003 |
| 312316 | Chicago, IL | New Cingular Wireless PCS | Cell Number | 11/11/2003 |
| 312320 | Chicago, IL | New Cingular Wireless PCS | Cell Number | 11/11/2003 |
| 312321 | Chicago, IL | Ameritech Illinois | Landline | 10/11/1997 |
| 312322 | Chicago, IL | Ameritech Illinois | Landline | 10/11/1997 |
| 312323 | Chicago, IL | American Messaging (am) | Cell Number | 04/13/2001 |
| 312324 | Chicago, IL | Level 3 Communications | Landline | 05/03/2001 |
| 312325 | Chicago, IL | Ameritech Illinois | Landline | 06/24/2003 |
| 312326 | Chicago, IL | Ameritech Illinois | Landline | 02/04/1994 |
| 312327 | Chicago, IL | Xo Illinois | Landline | 08/20/2000 |
| 312328 | Chicago, IL | Ameritech Illinois | Landline | 10/11/1997 |
| 312329 | Chicago, IL | Ameritech Illinois | Landline | 02/04/1994 |
| 312330 | Chicago, IL | New Cingular Wireless PCS | Cell Number | 11/11/2003 |
| 312332 | Chicago, IL | Ameritech Illinois | Landline | 02/04/1994 |
| 312333 | Chicago, IL | American Messaging (am) | Cell Number | 04/13/2001 |
| 312334 | Chicago, IL | First Communications LLC | Landline | 10/31/2000 |
| 312335 | Chicago, IL | Ameritech Illinois | Landline | 02/04/1994 |
| 312336 | Chicago, IL | Ameritech Illinois | Landline | 11/11/2003 |
| 312337 | Chicago, IL | Ameritech Illinois | Landline | 02/04/1994 |
| 312338 | Chicago, IL | Ameritech Illinois | Landline | 04/01/1997 |
| 312339 | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cell Number | 11/11/2003 |
| 312340 | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cell Number | 09/21/2011 |
| 312341 | Chicago, IL | Ameritech Illinois | Landline | 10/11/1997 |
| 312342 | Chicago, IL | New Cingular Wireless PCS | Cell Number | 06/30/2001 |
| 312343 | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cell Number | 11/11/2003 |
| 312344 | Chicago, IL | Ameritech Illinois | Landline | 07/06/1997 |
| 312345 | Chicago, IL | Ameritech Illinois | Landline | 11/11/2003 |
| 312346 | Chicago, IL | Ameritech Illinois | Landline | 11/11/2003 |
| 312347 | Chicago, IL | Ameritech Illinois | Landline | 02/04/1994 |
| 312348 | Chicago, IL | Neutral Tandem-illinois | Landline | 11/14/2003 |
| 312349 | Chicago, IL | Usa Mobility Wireless | Cell Number | 02/04/1994 |
| 312350 | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cell Number | 11/11/2003 |
| 312351 | Chicago, IL | New Cingular Wireless PCS | Cell Number | 11/11/2003 |
| 312353 | Chicago, IL | Ameritech Illinois | Landline | 02/04/1994 |
| 312355 | Chicago, IL | Ameritech Illinois | Landline | 07/04/1995 |
| 312356 | Chicago, IL | Ameritech Illinois | Landline | 01/14/2000 |
| 312357 | Chicago, IL | Ameritech Illinois | Landline | 10/11/1997 |
| 312359 | Chicago, IL | Usa Mobility Wireless | Cell Number | 07/04/1995 |
| 312360 | Chicago, IL | Ameritech Illinois | Landline | 02/04/1994 |
| 312361 | Chicago, IL | Ameritech Illinois | Landline | 10/31/2000 |
| 312362 | Chicago, IL | Ameritech Illinois | Landline | 10/11/1997 |
| 312363 | Chicago, IL | Rcn Telecom Services Of Illinois | Landline | 05/10/1999 |
| 312364 | Chicago, IL | Ameritech Illinois | Landline | 09/11/1994 |
| 312365 | Chicago, IL | Usa Mobility Wireless | Cell Number | 11/11/2003 |
| 312368 | Chicago, IL | Ameritech Illinois | Landline | 02/04/1994 |
| 312369 | Chicago, IL | New Cingular Wireless PCS | Cell Number | 11/11/2003 |
| 312370 | Chicago, IL | Usa Mobility Wireless | Cell Number | 11/11/2003 |
| 312371 | Chicago, IL | Sprint Spectrum L.p. | Cell Number | 01/25/1998 |
| 312372 | Chicago, IL | Ameritech Illinois | Landline | 11/11/2003 |
| 312373 | Chicago, IL | Broadwing Communications | Landline | 05/10/1999 |
| 312374 | Chicago, IL | Ameritech Illinois | Landline | 10/13/1999 |
| 312375 | Chicago, IL | T-mobile Usa | Cell Number | 06/30/2001 |
| 312376 | Chicago, IL | Cbeyond Communications | Landline | 06/11/2004 |
| 312377 | Chicago, IL | Xo Illinois | Landline | 01/25/1998 |
| 312378 | Chicago, IL | Usa Mobility Wireless | Cell Number | 01/25/1998 |
| 312379 | Chicago, IL | Ovation Communications Of Illinois | Landline | 04/10/2001 |
| 312380 | Chicago, IL | Ameritech Illinois | Landline | 08/20/2000 |
| 312381 | Chicago, IL | Ameritech Illinois | Landline | 05/10/1999 |
| 312382 | Chicago, IL | Ameritech Illinois | Landline | 02/04/1994 |
| 312384 | Chicago, IL | Ameritech Illinois | Landline | 10/13/1999 |
| 312385 | Chicago, IL | Ameritech Illinois | Landline | 01/25/1998 |
| 312386 | Chicago, IL | Ameritech Illinois | Landline | 08/20/2000 |
| 312387 | Chicago, IL | Usa Mobility Wireless | Cell Number | 02/04/1994 |
| 312388 | Chicago, IL | Sprint Spectrum L.p. | Cell Number | 01/25/1998 |
| 312389 | Chicago, IL | Usa Mobility Wireless | Cell Number | 11/11/2003 |
| 312390 | Chicago, IL | American Messaging (am) | Cell Number | 04/16/2001 |
| 312391 | Chicago, IL | New Cingular Wireless PCS | Cell Number | 11/11/2003 |
| 312393 | Chicago, IL | American Messaging (am) | Cell Number | 04/23/2001 |
| 312394 | Chicago, IL | Ameritech Illinois | Landline | 02/04/1994 |
| 312395 | Chicago, IL | AT&T Local | Landline | 01/25/1998 |
| 312396 | Chicago, IL | Ameritech Illinois | Landline | 02/04/1994 |
| 312397 | Chicago, IL | Ameritech Illinois | Landline | 10/11/1997 |
| 312398 | Chicago, IL | Usa Mobility Wireless | Cell Number | 01/10/1996 |
| 312399 | Chicago, IL | Sprint Spectrum L.p. | Cell Number | 07/22/1999 |
| 312400 | Chicago, IL | American Messaging (am) | Cell Number | 04/13/2001 |
| 312401 | Chicago, IL | New Cingular Wireless PCS | Cell Number | 11/11/2003 |
| 312402 | Chicago, IL | New Cingular Wireless PCS | Cell Number | 11/11/2003 |
| 312404 | Chicago, IL | T-mobile Usa | Cell Number | 10/14/2002 |
| 312405 | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cell Number | 11/11/2003 |
| 312407 | Chicago, IL | Ameritech Illinois | Landline | 02/04/1994 |
| 312408 | Chicago, IL | Ameritech Illinois | Landline | 10/11/1997 |
| 312409 | Chicago, IL | Ameritech Illinois | Landline | 09/11/1994 |
| 312410 | Chicago, IL | Ameritech Illinois | Landline | 02/04/1994 |
| 312413 | Chicago, IL | Ameritech Illinois | Landline | 02/04/1994 |
| 312415 | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cell Number | 11/11/2003 |
| 312416 | Chicago, IL | Mci Worldcom Communications | Landline | 01/10/1996 |
| 312417 | Chicago, IL | Ameritech Illinois | Cell Number | 02/04/1994 |
| 312418 | Chicago, IL | Usa Mobility Wireless | Cell Number | 09/11/1994 |
| 312419 | Chicago, IL | Ameritech Illinois | Landline | 11/11/2003 |
| 312420 | Chicago, IL | New Cingular Wireless PCS | Cell Number | 06/30/2001 |
| 312421 | Chicago, IL | Ameritech Illinois | Landline | 02/04/1994 |
| 312422 | Chicago, IL | Ameritech Illinois | Landline | 11/11/2003 |
| 312423 | Chicago, IL | Broadwing Communications | Landline | 11/11/2003 |
| 312424 | Chicago, IL | Ameritech Illinois | Landline | 09/11/1994 |
| 312425 | Chicago, IL | Ameritech Illinois | Landline | 07/01/1996 |
| 312426 | Chicago, IL | Usa Mobility Wireless | Cell Number | 01/10/1996 |
| 312427 | Chicago, IL | Ameritech Illinois | Landline | 02/04/1994 |
| 312428 | Chicago, IL | Level 3 Communications | Cell Number | 11/11/2003 |
| 312429 | Chicago, IL | Global Crossing Local Services-il | Landline | 10/13/1999 |
| 312430 | Chicago, IL | Ameritech Illinois | Landline | 05/02/2004 |
| 312431 | Chicago, IL | Ameritech Illinois | Landline | 10/11/1997 |
| 312432 | Chicago, IL | Ameritech Illinois | Landline | 02/11/1995 |
| 312433 | Chicago, IL | Ameritech Illinois | Landline | 02/04/1994 |
| 312434 | Chicago, IL | Sprint Spectrum L.p. | Cell Number | 07/08/2011 |
| 312435 | Chicago, IL | Ameritech Illinois | Landline | 02/04/1994 |
| 312436 | Chicago, IL | Ameritech Illinois | Landline | 01/14/2000 |
| 312437 | Chicago, IL | Sprint Spectrum L.p. | Cell Number | 07/22/1999 |
| 312440 | Chicago, IL | Ameritech Illinois | Landline | 02/04/1994 |
| 312441 | Chicago, IL | Ameritech Illinois | Landline | 02/04/1994 |
| 312442 | Chicago, IL | Ameritech Illinois | Landline | 01/25/1998 |
| 312443 | Chicago, IL | Ameritech Illinois | Landline | 11/11/2003 |
| 312444 | Chicago, IL | Ameritech Illinois | Landline | 02/04/1994 |
| 312445 | Chicago, IL | Ameritech Illinois | Landline | 06/13/2000 |
| 312446 | Chicago, IL | Sprint Spectrum L.p. | Cell Number | 08/14/1998 |
| 312447 | Chicago, IL | Ameritech Illinois | Landline | 06/13/2000 |
| 312448 | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cell Number | 08/02/2011 |
| 312449 | Chicago, IL | American Messaging (am) | Cell Number | 04/23/2001 |
| 312450 | Chicago, IL | New Cingular Wireless PCS | Cell Number | 11/11/2003 |
| 312451 | Chicago, IL | T-mobile Usa | Landline | 01/25/1998 |
| 312452 | Chicago, IL | American Messaging (am) | Cell Number | 04/13/2001 |
| 312453 | Chicago, IL | Mci Worldcom Communications | Landline | 01/10/1996 |
| 312454 | Chicago, IL | Ameritech Illinois | Landline | 02/04/1994 |
| 312455 | Chicago, IL | Ameritech Illinois | Landline | 02/04/1994 |
| 312456 | Chicago, IL | Ameritech Illinois | Landline | 02/04/1994 |
| 312457 | Chicago, IL | American Messaging (am) | Cell Number | 04/23/2001 |
| 312458 | Chicago, IL | Ameritech Illinois | Landline | 02/04/1994 |
| 312459 | Chicago, IL | T-mobile Usa | Cell Number | 08/02/2011 |
| 312460 | Chicago, IL | Ameritech Illinois | Landline | 11/11/2003 |
| 312461 | Chicago, IL | Ameritech Illinois | Landline | 02/04/1994 |
| 312462 | Chicago, IL | Ameritech Illinois | Landline | 10/11/1997 |
| 312463 | Chicago, IL | Ameritech Illinois | Landline | 01/25/1998 |
| 312464 | Chicago, IL | Ameritech Illinois | Landline | 02/04/1994 |
| 312465 | Chicago, IL | Us Xchange Of Illinois LLC DBA Choice One Comm Il | Landline | 03/26/2009 |
| 312466 | Chicago, IL | Ameritech Illinois | Landline | 02/04/1994 |
| 312467 | Chicago, IL | Ameritech Illinois | Landline | 02/04/1994 |
| 312469 | Chicago, IL | Ameritech Illinois | Landline | 10/31/2000 |
| 312470 | Chicago, IL | Mcimetro Access Transmission Services LLC | Landline | 01/10/1996 |
| 312472 | Chicago, IL | Ameritech Illinois | Landline | 10/27/2005 |
| 312473 | Chicago, IL | Ymax Communications Corp. | Landline | 11/15/2006 |
| 312474 | Chicago, IL | Ameritech Illinois | Landline | 02/04/1994 |
| 312475 | Chicago, IL | Ameritech Illinois | Landline | 01/25/1998 |
| 312476 | Chicago, IL | Sprint Spectrum L.p. | Landline | 08/20/2000 |
| 312477 | Chicago, IL | Level 3 Communications | Cell Number | 10/20/2010 |
| 312478 | Chicago, IL | T-mobile Usa | Landline | 03/20/2014 |
| 312479 | Chicago, IL | AT&T Local | Landline | 01/25/1998 |
| 312480 | Chicago, IL | New Cingular Wireless PCS | Cell Number | 11/11/2003 |
| 312482 | Chicago, IL | Ameritech Illinois | Landline | 02/04/1994 |
| 312484 | Chicago, IL | Usa Mobility Wireless | Cell Number | 02/04/1994 |
| 312485 | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cell Number | 11/11/2003 |
| 312486 | Chicago, IL | Mci Worldcom Communications | Landline | 04/23/2004 |
| 312488 | Chicago, IL | Pg Telecom Of Illinois Inc. | Landline | 01/18/2006 |
| 312489 | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cell Number | 08/20/2000 |
| 312490 | Chicago, IL | Usa Mobility Wireless | Cell Number | 02/04/1994 |
| 312491 | Chicago, IL | Ameritech Illinois | Landline | 07/04/1995 |
| 312492 | Chicago, IL | Ameritech Illinois | Landline | 07/06/1997 |
| 312493 | Chicago, IL | T-mobile Usa | Cell Number | 06/30/2001 |
| 312494 | Chicago, IL | Ameritech Illinois | Landline | 02/04/1994 |
| 312495 | Chicago, IL | Usa Mobility Wireless | Cell Number | 11/11/2003 |
| 312496 | Chicago, IL | Ameritech Illinois | Landline | 07/01/1996 |
| 312497 | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cell Number | 11/11/2003 |
| 312498 | Chicago, IL | Sprint Spectrum L.p. | Cell Number | 07/22/1999 |
| 312499 | Chicago, IL | Ameritech Illinois | Landline | 02/04/1994 |
| 312502 | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cell Number | 11/11/2003 |
| 312503 | Chicago, IL | Broadwing Communications | Landline | 02/04/1994 |
| 312504 | Chicago, IL | New Cingular Wireless PCS | Cell Number | 11/11/2003 |
| 312505 | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cell Number | 11/11/2003 |
| 312506 | Chicago, IL | Cimco Communications | Landline | 05/24/2004 |
| 312507 | Chicago, IL | Ameritech Illinois | Landline | 02/04/1994 |
| 312508 | Chicago, IL | Peerless Network Of Illinois | Landline | 03/19/2012 |
| 312509 | Chicago, IL | Peerless Network Of Illinois | Landline | 03/06/2012 |
| 312512 | Chicago, IL | Usa Mobility Wireless | Cell Number | 05/01/2002 |
| 312513 | Chicago, IL | New Cingular Wireless PCS | Cell Number | 11/11/2003 |
| 312514 | Chicago, IL | American Messaging (am) | Cell Number | 04/13/2001 |
| 312515 | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cell Number | 11/11/2003 |
| 312516 | Chicago, IL | Ameritech Illinois | Landline | 02/11/1995 |
| 312519 | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cell Number | 11/11/2003 |
| 312520 | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cell Number | 11/11/2003 |
| 312521 | Chicago, IL | AT&T Local | Landline | 01/25/1998 |
| 312523 | Chicago, IL | Sprint Spectrum L.p. | Cell Number | 06/30/2001 |
| 312525 | Chicago, IL | Mcimetro Access Transmission Services LLC | Landline | 03/20/2002 |
| 312526 | Chicago, IL | Ameritech Illinois | Landline | 07/04/1995 |
| 312527 | Chicago, IL | Ameritech Illinois | Landline | 02/04/1994 |
| 312528 | Chicago, IL | Ameritech Illinois | Landline | 01/25/1998 |
| 312529 | Chicago, IL | AT&T Local | Landline | 10/11/1997 |
| 312530 | Chicago, IL | Usa Mobility Wireless | Cell Number | 04/15/1996 |
| 312532 | Chicago, IL | T-mobile Usa | Cell Number | 11/11/2003 |
| 312533 | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cell Number | 10/13/1999 |
| 312534 | Chicago, IL | Ameritech Illinois | Landline | 09/17/2008 |
| 312537 | Chicago, IL | Ameritech Illinois | Landline | 04/15/1996 |
| 312540 | Chicago, IL | Ameritech Illinois | Landline | 02/04/1994 |
| 312541 | Chicago, IL | Ameritech Illinois | Landline | 11/11/2003 |
| 312542 | Chicago, IL | Ameritech Illinois | Landline | 01/25/1998 |
| 312543 | Chicago, IL | New Cingular Wireless PCS | Cell Number | 04/01/1997 |
| 312544 | Chicago, IL | Ameritech Illinois | Landline | 06/13/2000 |
| 312545 | Chicago, IL | Sprint Spectrum L.p. | Cell Number | 03/03/2001 |
| 312546 | Chicago, IL | Level 3 Communications | Landline | 01/25/1998 |
| 312547 | Chicago, IL | New Cingular Wireless PCS | Cell Number | 11/11/2003 |
| 312548 | Chicago, IL | Broadwing Communications | Landline | 09/05/2007 |
| 312550 | Chicago, IL | Cellco Partnership DBA Verizon Wireless | Cell Number | 11/11/2003 |
| 312551 | Chicago, IL | Ameritech Illinois | Landline | 02/04/1994 |
| 312552 | Chicago, IL | Ameritech Illinois | Landline | 02/04/1994 |
| 312553 | Chicago, IL | Ameritech Illinois | Landline | 02/04/1994 |
| 312554 | Chicago, IL | Ameritech Illinois | Landline | 02/04/1994 |
| 312556 | Chicago, IL | Ameritech Illinois | Cell Number | 11/11/2003 |
