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 |
| 312-698
| 6 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-698
| 7 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-698
| 8 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-698
| 9 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-702
| A |
BNSVILDGDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
358 |
|
|
|
| 312-702
| 0 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2013-03-04 |
|
| 312-702
| 1 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2013-03-04 |
|
| 312-702
| 2 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2013-03-04 |
|
| 312-702
| 3 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
358 |
|
2013-02-14 |
|
| 312-702
| 4 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
358 |
|
2013-02-15 |
|
| 312-702
| 5 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2013-03-04 |
|
| 312-702
| 6 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2013-03-04 |
|
| 312-702
| 7 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2013-03-04 |
|
| 312-702
| 8 |
|
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
2013-04-04 |
|
| 312-702
| 9 |
|
5562 METROPCS, INC. |
358 |
|
2013-04-12 |
|
| 312-708
| A |
CHCGILIDXDX |
624H ONVOY SPECTRUM, LLC |
358 |
|
2024-04-24 |
|
| 312-708
| 0 |
|
624H ONVOY SPECTRUM, LLC |
358 |
|
2024-04-24 |
|
| 312-708
| 1 |
|
624H ONVOY SPECTRUM, LLC |
358 |
|
2024-04-24 |
|
| 312-708
| 2 |
|
624H ONVOY SPECTRUM, LLC |
358 |
|
2024-04-24 |
|
| 312-708
| 3 |
|
624H ONVOY SPECTRUM, LLC |
358 |
|
2024-04-24 |
|
| 312-708
| 4 |
|
624H ONVOY SPECTRUM, LLC |
358 |
|
2024-04-24 |
|
| 312-708
| 5 |
|
624H ONVOY SPECTRUM, LLC |
358 |
|
2024-04-24 |
|
| 312-708
| 6 |
|
624H ONVOY SPECTRUM, LLC |
358 |
|
2024-04-24 |
|
| 312-708
| 7 |
|
624H ONVOY SPECTRUM, LLC |
358 |
|
2024-04-24 |
|
| 312-708
| 8 |
|
624H ONVOY SPECTRUM, LLC |
358 |
|
2024-04-24 |
|
| 312-708
| 9 |
|
624H ONVOY SPECTRUM, LLC |
358 |
|
2024-04-24 |
|
| 312-709
| A |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 312-709
| 0 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2013-07-11 |
|
| 312-709
| 1 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2013-07-11 |
|
| 312-709
| 2 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2013-07-11 |
|
| 312-709
| 3 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2013-07-11 |
|
| 312-709
| 4 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2013-07-11 |
|
| 312-709
| 5 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2013-07-11 |
|
| 312-709
| 6 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2013-07-11 |
|
| 312-709
| 7 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2013-07-11 |
|
| 312-709
| 8 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2013-07-11 |
|
| 312-709
| 9 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2013-07-11 |
|
| 312-719
| A |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 312-719
| 0 |
|
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 312-719
| 1 |
|
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 312-719
| 2 |
|
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 312-719
| 3 |
|
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 312-719
| 4 |
|
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 312-719
| 5 |
|
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 312-719
| 6 |
|
5562 METROPCS, INC. |
358 |
|
|
|
| 312-719
| 7 |
|
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 312-719
| 8 |
|
5562 METROPCS, INC. |
358 |
|
|
|
| 312-719
| 9 |
|
5562 METROPCS, INC. |
358 |
|
|
|
| 312-721
| A |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 312-721
| 0 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2013-12-19 |
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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