Local Calling Guide
Area code/prefix search
Chicago Zone 01-Calumet, IL
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| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 312-200
| A |
ELGNILOTGT5 |
5562 METROPCS, INC. |
358 |
|
|
|
| 312-200
| 0 |
|
5562 METROPCS, INC. |
358 |
|
2017-11-23 |
|
| 312-200
| 1 |
|
5562 METROPCS, INC. |
358 |
|
2017-11-23 |
|
| 312-200
| 2 |
|
5562 METROPCS, INC. |
358 |
|
2017-11-23 |
|
| 312-200
| 3 |
|
5562 METROPCS, INC. |
358 |
|
2017-11-23 |
|
| 312-200
| 4 |
|
5562 METROPCS, INC. |
358 |
|
2017-11-23 |
|
| 312-200
| 5 |
|
5562 METROPCS, INC. |
358 |
|
2017-11-23 |
|
| 312-200
| 6 |
|
5562 METROPCS, INC. |
358 |
|
2017-11-23 |
|
| 312-200
| 7 |
|
5562 METROPCS, INC. |
358 |
|
2018-10-08 |
|
| 312-200
| 8 |
|
5562 METROPCS, INC. |
358 |
|
2018-10-08 |
|
| 312-200
| 9 |
|
5562 METROPCS, INC. |
358 |
|
2017-11-23 |
|
| 312-205
| A |
BNSVILDGDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
358 |
|
|
|
| 312-210
| A |
CHCGILWUDS4 |
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
|
|
| 312-210
| 0 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2018-10-18 |
|
| 312-210
| 1 |
|
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2018-09-09 |
|
| 312-210
| 2 |
|
5562 METROPCS, INC. |
358 |
|
2018-10-08 |
|
| 312-210
| 3 |
|
5562 METROPCS, INC. |
358 |
|
2018-10-08 |
|
| 312-210
| 4 |
|
5562 METROPCS, INC. |
358 |
|
2018-10-08 |
|
| 312-210
| 5 |
|
5562 METROPCS, INC. |
358 |
|
2018-10-08 |
|
| 312-210
| 6 |
|
5562 METROPCS, INC. |
358 |
|
2018-10-08 |
|
| 312-210
| 7 |
|
224C ONVOY, LLC |
358 |
|
2019-06-28 |
|
| 312-210
| 8 |
|
224C ONVOY, LLC |
358 |
|
2019-06-28 |
|
| 312-210
| 9 |
|
224C ONVOY, LLC |
358 |
|
2019-06-28 |
|
| 312-216
| A |
CHCGILWUX6X |
460K FIRST COMMUNICATIONS, LLC |
358 |
|
|
|
| 312-216
| 0 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2013-07-24 |
|
| 312-216
| 1 |
|
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2012-04-13 |
|
| 312-216
| 2 |
|
5447 ACCESS ONE, INC. - IL |
358 |
|
2012-04-16 |
|
| 312-216
| 3 |
|
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
2012-04-28 |
|
| 312-216
| 4 |
|
829J PAETEC ITEL, LLC |
358 |
|
2012-04-28 |
|
| 312-216
| 5 |
|
829J PAETEC ITEL, LLC |
358 |
|
2012-04-28 |
|
| 312-216
| 6 |
|
829J PAETEC ITEL, LLC |
358 |
|
2012-06-17 |
|
| 312-216
| 7 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2013-01-10 |
|
| 312-216
| 8 |
|
829J PAETEC ITEL, LLC |
358 |
|
2012-04-16 |
|
| 312-216
| 9 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2012-12-23 |
|
| 312-217
| A |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 312-217
| 0 |
|
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 312-217
| 1 |
|
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 312-217
| 2 |
|
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 312-217
| 3 |
|
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 312-217
| 4 |
|
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 312-217
| 5 |
|
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 312-217
| 6 |
|
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 312-217
| 7 |
|
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 312-217
| 8 |
|
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 312-217
| 9 |
|
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 312-219
| A |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
|
|
| 312-219
| 0 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2013-02-25 |
|
| 312-219
| 1 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2012-12-24 |
|
| 312-219
| 2 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2012-06-24 |
|
| 312-219
| 3 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2012-06-24 |
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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