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 |
| 312-536
| 2 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2015-08-10 |
|
| 312-536
| 3 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2015-08-10 |
|
| 312-536
| 4 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2015-08-10 |
|
| 312-536
| 5 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2015-08-10 |
|
| 312-536
| 6 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2015-08-10 |
|
| 312-536
| 7 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2015-08-10 |
|
| 312-536
| 8 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2015-08-10 |
|
| 312-536
| 9 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2015-08-10 |
|
| 312-538
| A |
ELGNILOTGT5 |
5562 METROPCS, INC. |
358 |
|
|
|
| 312-538
| 0 |
|
5562 METROPCS, INC. |
358 |
|
2017-09-04 |
|
| 312-538
| 1 |
|
5562 METROPCS, INC. |
358 |
|
2017-09-04 |
|
| 312-538
| 2 |
|
5562 METROPCS, INC. |
358 |
|
2017-09-04 |
|
| 312-538
| 3 |
|
5562 METROPCS, INC. |
358 |
|
2017-09-04 |
|
| 312-538
| 4 |
|
5562 METROPCS, INC. |
358 |
|
2017-09-04 |
|
| 312-538
| 5 |
|
5562 METROPCS, INC. |
358 |
|
2017-09-04 |
|
| 312-538
| 6 |
|
5562 METROPCS, INC. |
358 |
|
2017-09-04 |
|
| 312-538
| 7 |
|
5562 METROPCS, INC. |
358 |
|
2017-09-04 |
|
| 312-538
| 8 |
|
5562 METROPCS, INC. |
358 |
|
2017-09-04 |
|
| 312-538
| 9 |
|
5562 METROPCS, INC. |
358 |
|
2017-09-04 |
|
| 312-539
| A |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 312-539
| 0 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2016-03-11 |
|
| 312-539
| 1 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2016-03-11 |
|
| 312-539
| 2 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2016-03-11 |
|
| 312-539
| 3 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2016-03-11 |
|
| 312-539
| 4 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2016-03-11 |
|
| 312-539
| 5 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2016-03-11 |
|
| 312-539
| 6 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2016-03-11 |
|
| 312-539
| 7 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2016-03-11 |
|
| 312-539
| 8 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2016-03-11 |
|
| 312-539
| 9 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2016-03-11 |
|
| 312-545
| A |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 312-545
| 0 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2007-09-07 |
|
| 312-545
| 1 |
|
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 312-545
| 2 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2007-09-07 |
|
| 312-545
| 3 |
|
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 312-545
| 4 |
|
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 312-545
| 5 |
|
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 312-545
| 6 |
|
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 312-545
| 7 |
|
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 312-545
| 8 |
|
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 312-545
| 9 |
|
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 312-548
| A |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-548
| 0 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2007-10-20 |
|
| 312-548
| 1 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2007-10-20 |
|
| 312-548
| 2 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2007-10-20 |
|
| 312-548
| 3 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2007-10-20 |
|
| 312-548
| 4 |
|
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
2007-10-20 |
|
| 312-548
| 5 |
|
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
2007-10-20 |
|
| 312-548
| 6 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2007-10-20 |
|
| 312-548
| 7 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2007-10-20 |
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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