Local Calling Guide
Area code/prefix search
Chicago Zone 01-Calumet, IL
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 >>
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 312-667
| 2 |
|
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2012-10-22 |
|
| 312-667
| 3 |
|
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2012-10-22 |
|
| 312-667
| 4 |
|
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2012-10-22 |
|
| 312-667
| 5 |
|
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2012-10-22 |
|
| 312-667
| 6 |
|
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2012-10-22 |
|
| 312-667
| 7 |
|
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2012-10-22 |
|
| 312-667
| 8 |
|
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2012-10-22 |
|
| 312-667
| 9 |
|
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2012-10-22 |
|
| 312-668
| A |
CHCGIL24X0X |
425J CSC WIRELESS, LLC |
358 |
|
|
|
| 312-668
| 0 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2019-10-04 |
|
| 312-668
| 1 |
|
138G LEVEL 3 TELECOM OF ILLINOIS, LLC - IL |
358 |
|
2019-09-16 |
|
| 312-668
| 2 |
|
425J CSC WIRELESS, LLC |
358 |
|
2019-07-19 |
|
| 312-668
| 3 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
358 |
|
2019-09-14 |
|
| 312-668
| 4 |
|
829J PAETEC ITEL, LLC |
358 |
|
2019-07-20 |
|
| 312-668
| 5 |
|
829J PAETEC ITEL, LLC |
358 |
|
2019-07-20 |
|
| 312-668
| 6 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2019-08-18 |
|
| 312-668
| 7 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2019-08-18 |
|
| 312-668
| 8 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2019-08-18 |
|
| 312-668
| 9 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2019-08-18 |
|
| 312-671
| A |
ELGNILOTGT5 |
5562 METROPCS, INC. |
358 |
|
|
|
| 312-671
| 0 |
|
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 312-671
| 1 |
|
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 312-671
| 2 |
|
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 312-671
| 3 |
|
5562 METROPCS, INC. |
358 |
|
|
|
| 312-671
| 4 |
|
5562 METROPCS, INC. |
358 |
|
|
|
| 312-671
| 5 |
|
5562 METROPCS, INC. |
358 |
|
|
|
| 312-671
| 6 |
|
5562 METROPCS, INC. |
358 |
|
|
|
| 312-671
| 7 |
|
5562 METROPCS, INC. |
358 |
|
|
|
| 312-671
| 8 |
|
5562 METROPCS, INC. |
358 |
|
|
|
| 312-671
| 9 |
|
5562 METROPCS, INC. |
358 |
|
|
|
| 312-673
| A |
CHCGILWUX6X |
460K FIRST COMMUNICATIONS, LLC |
358 |
|
|
|
| 312-674
| A |
CHCGILCADS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-674
| 0 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-674
| 1 |
|
624H ONVOY SPECTRUM, LLC |
358 |
|
2022-01-07 |
|
| 312-674
| 2 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-674
| 3 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-674
| 4 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-674
| 5 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-674
| 6 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2002-06-24 |
|
| 312-674
| 7 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
358 |
|
2011-01-05 |
|
| 312-674
| 8 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-674
| 9 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-676
| A |
CHCGILWUX6X |
460K FIRST COMMUNICATIONS, LLC |
358 |
|
|
|
| 312-676
| 0 |
|
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2006-08-07 |
|
| 312-676
| 1 |
|
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2006-08-07 |
|
| 312-676
| 2 |
|
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2006-08-07 |
|
| 312-676
| 3 |
|
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2006-08-07 |
|
| 312-676
| 4 |
|
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2006-08-07 |
|
| 312-676
| 5 |
|
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2006-08-07 |
|
| 312-676
| 6 |
|
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2006-08-07 |
|
| 312-676
| 7 |
|
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2006-08-07 |
|
| 312-676
| 8 |
|
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2006-08-07 |
|
| 312-676
| 9 |
|
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2006-08-07 |
|
| 312-678
| A |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 312-678
| 0 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2013-09-24 |
|
| 312-678
| 1 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2013-09-24 |
|
| 312-678
| 2 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2013-09-24 |
|
| 312-678
| 3 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2013-09-23 |
|
| 312-678
| 4 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2013-09-23 |
|
| 312-678
| 5 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2013-09-23 |
|
| 312-678
| 6 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2013-09-23 |
|
| 312-678
| 7 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2013-09-23 |
|
| 312-678
| 8 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2013-09-23 |
|
| 312-678
| 9 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2013-09-23 |
|
| 312-680
| A |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
|
|
| 312-680
| 0 |
|
224C ONVOY, LLC |
358 |
|
2022-07-01 |
|
| 312-680
| 1 |
|
224C ONVOY, LLC |
358 |
|
2022-07-01 |
|
| 312-680
| 2 |
|
224C ONVOY, LLC |
358 |
|
2022-07-01 |
|
| 312-680
| 3 |
|
224C ONVOY, LLC |
358 |
|
2022-07-01 |
|
| 312-680
| 4 |
|
224C ONVOY, LLC |
358 |
|
2022-07-01 |
|
| 312-680
| 5 |
|
224C ONVOY, LLC |
358 |
|
2022-07-01 |
|
| 312-680
| 6 |
|
224C ONVOY, LLC |
358 |
|
2022-07-01 |
|
| 312-680
| 7 |
|
224C ONVOY, LLC |
358 |
|
2022-07-01 |
|
| 312-680
| 8 |
|
224C ONVOY, LLC |
358 |
|
2022-07-01 |
|
| 312-680
| 9 |
|
224C ONVOY, LLC |
358 |
|
2022-07-01 |
|
| 312-682
| A |
CHCGILWBXSZ |
478J NUSO, LLC |
358 |
|
|
|
| 312-682
| 0 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2020-10-31 |
|
| 312-682
| 1 |
|
478J NUSO, LLC |
358 |
|
2020-07-16 |
|
| 312-682
| 2 |
|
624H ONVOY SPECTRUM, LLC |
358 |
|
2020-07-17 |
|
| 312-682
| 3 |
|
624H ONVOY SPECTRUM, LLC |
358 |
|
2020-07-17 |
|
| 312-682
| 4 |
|
624H ONVOY SPECTRUM, LLC |
358 |
|
2020-07-17 |
|
| 312-682
| 5 |
|
624H ONVOY SPECTRUM, LLC |
358 |
|
2020-07-17 |
|
| 312-682
| 6 |
|
478J NUSO, LLC |
358 |
|
2020-08-07 |
|
| 312-682
| 7 |
|
478J NUSO, LLC |
358 |
|
2020-08-07 |
|
| 312-682
| 8 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2020-08-16 |
|
| 312-682
| 9 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2020-10-31 |
|
| 312-684
| A |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 312-684
| 0 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2016-11-13 |
|
| 312-684
| 1 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2016-11-13 |
|
| 312-684
| 2 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2016-11-13 |
|
| 312-684
| 3 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2016-11-13 |
|
| 312-684
| 4 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2016-11-13 |
|
| 312-684
| 5 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2016-11-13 |
|
| 312-684
| 6 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2016-11-13 |
|
| 312-684
| 7 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2016-11-13 |
|
| 312-684
| 8 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2016-11-13 |
|
| 312-684
| 9 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2016-11-13 |
|
| 312-685
| A |
ELGNILOTGT5 |
5562 METROPCS, INC. |
358 |
|
|
|
| 312-685
| 0 |
|
5562 METROPCS, INC. |
358 |
|
2003-06-03 |
|
| 312-685
| 1 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2010-03-04 |
|
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 >>
Last updated: Thu, 29 Jan 2026 14:35:03 UTC
Sponsored by: Execulink Telecom
Like this site? We accept donations via PayPal.