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 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 >>
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 312-964
| 2 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2016-01-17 |
|
| 312-964
| 3 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2015-09-09 |
|
| 312-964
| 4 |
|
138G LEVEL 3 TELECOM OF ILLINOIS, LLC - IL |
358 |
|
2015-09-09 |
|
| 312-964
| 5 |
|
516C AT&T CORP. |
358 |
|
2015-09-09 |
|
| 312-964
| 6 |
|
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
2015-09-09 |
|
| 312-964
| 7 |
|
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
2015-09-11 |
|
| 312-964
| 8 |
|
224C ONVOY, LLC |
358 |
|
2015-09-09 |
|
| 312-964
| 9 |
|
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2015-09-11 |
|
| 312-966
| A |
ELGNILOTGT5 |
5562 METROPCS, INC. |
358 |
|
|
|
| 312-966
| 0 |
|
5562 METROPCS, INC. |
358 |
|
2015-01-09 |
|
| 312-966
| 1 |
|
5562 METROPCS, INC. |
358 |
|
2015-01-09 |
|
| 312-966
| 2 |
|
5562 METROPCS, INC. |
358 |
|
2015-01-09 |
|
| 312-966
| 3 |
|
829J PAETEC ITEL, LLC |
358 |
|
2015-01-12 |
|
| 312-966
| 4 |
|
829J PAETEC ITEL, LLC |
358 |
|
2015-01-12 |
|
| 312-966
| 5 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2015-01-12 |
|
| 312-966
| 6 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2015-02-07 |
|
| 312-966
| 7 |
|
5562 METROPCS, INC. |
358 |
|
2015-01-09 |
|
| 312-966
| 8 |
|
138G LEVEL 3 TELECOM OF ILLINOIS, LLC - IL |
358 |
|
2015-02-13 |
|
| 312-966
| 9 |
|
5562 METROPCS, INC. |
358 |
|
2015-01-09 |
|
| 312-967
| A |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
|
|
| 312-967
| 0 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2014-10-04 |
|
| 312-967
| 1 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2014-10-04 |
|
| 312-967
| 2 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2014-10-04 |
|
| 312-967
| 3 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2014-10-04 |
|
| 312-967
| 4 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2014-10-04 |
|
| 312-967
| 5 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2014-10-04 |
|
| 312-967
| 6 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2014-10-04 |
|
| 312-967
| 7 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2014-10-04 |
|
| 312-967
| 8 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2014-10-04 |
|
| 312-967
| 9 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2014-10-04 |
|
| 312-971
| A |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
|
|
| 312-971
| 0 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2014-06-28 |
|
| 312-971
| 1 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2014-06-28 |
|
| 312-971
| 2 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2014-06-28 |
|
| 312-971
| 3 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2014-06-28 |
|
| 312-971
| 4 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2014-06-28 |
|
| 312-971
| 5 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2014-06-28 |
|
| 312-971
| 6 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2014-06-28 |
|
| 312-971
| 7 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2014-06-28 |
|
| 312-971
| 8 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2014-06-28 |
|
| 312-971
| 9 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2014-06-28 |
|
| 312-973
| A |
BNSVILDGDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
358 |
|
|
|
| 312-973
| 0 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2014-04-15 |
|
| 312-973
| 1 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2014-05-24 |
|
| 312-973
| 2 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2014-04-15 |
|
| 312-973
| 3 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
358 |
|
2014-04-12 |
|
| 312-973
| 4 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
358 |
|
2014-04-12 |
|
| 312-973
| 5 |
|
138G LEVEL 3 TELECOM OF ILLINOIS, LLC - IL |
358 |
|
2014-04-15 |
|
| 312-973
| 6 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2014-04-15 |
|
| 312-973
| 7 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2014-04-15 |
|
<< 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 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 >>
Last updated: Thu, 29 Jan 2026 14:35:03 UTC
Sponsored by: LES.NET
Like this site? We accept donations via PayPal.