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 |
| 312-685
| 2 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2010-03-04 |
|
| 312-685
| 3 |
|
224C ONVOY, LLC |
358 |
|
2023-10-13 |
|
| 312-685
| 4 |
|
224C ONVOY, LLC |
358 |
|
2023-10-13 |
|
| 312-685
| 5 |
|
5562 METROPCS, INC. |
358 |
|
|
|
| 312-685
| 6 |
|
5562 METROPCS, INC. |
358 |
|
|
|
| 312-685
| 7 |
|
5562 METROPCS, INC. |
358 |
|
|
|
| 312-685
| 8 |
|
5562 METROPCS, INC. |
358 |
|
|
|
| 312-685
| 9 |
|
5562 METROPCS, INC. |
358 |
|
|
|
| 312-686
| A |
CHCGILWUDS4 |
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
|
|
| 312-686
| 0 |
|
5562 METROPCS, INC. |
358 |
|
2017-01-28 |
|
| 312-686
| 1 |
|
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2017-01-27 |
|
| 312-686
| 2 |
|
5562 METROPCS, INC. |
358 |
|
2017-01-28 |
|
| 312-686
| 3 |
|
5562 METROPCS, INC. |
358 |
|
2017-01-28 |
|
| 312-686
| 4 |
|
5562 METROPCS, INC. |
358 |
|
2017-01-28 |
|
| 312-686
| 5 |
|
5562 METROPCS, INC. |
358 |
|
2017-01-28 |
|
| 312-686
| 6 |
|
5562 METROPCS, INC. |
358 |
|
2017-01-28 |
|
| 312-686
| 7 |
|
5562 METROPCS, INC. |
358 |
|
2017-01-28 |
|
| 312-686
| 8 |
|
5562 METROPCS, INC. |
358 |
|
2017-01-28 |
|
| 312-686
| 9 |
|
5562 METROPCS, INC. |
358 |
|
2017-01-28 |
|
| 312-687
| A |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 312-687
| 0 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2016-11-13 |
|
| 312-687
| 1 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2016-11-13 |
|
| 312-687
| 2 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2016-11-13 |
|
| 312-687
| 3 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2016-11-13 |
|
| 312-687
| 4 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2016-11-13 |
|
| 312-687
| 5 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2016-11-13 |
|
| 312-687
| 6 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2016-11-13 |
|
| 312-687
| 7 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2016-11-13 |
|
| 312-687
| 8 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2016-11-13 |
|
| 312-687
| 9 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2016-11-13 |
|
| 312-688
| A |
LBRDILGOAMD |
6630 USA MOBILITY WIRELESS, INC. |
358 |
|
|
|
| 312-690
| A |
CHCGILDTDMD |
156J RCLEC, INC. |
358 |
|
|
|
| 312-690
| 0 |
|
5562 METROPCS, INC. |
358 |
|
2014-07-21 |
|
| 312-690
| 1 |
|
5562 METROPCS, INC. |
358 |
|
2014-07-21 |
|
| 312-690
| 2 |
|
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2014-08-28 |
|
| 312-690
| 3 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2014-08-30 |
|
| 312-690
| 4 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2014-07-03 |
|
| 312-690
| 5 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2014-07-16 |
|
| 312-690
| 6 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2014-07-16 |
|
| 312-690
| 7 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2014-07-16 |
|
| 312-690
| 8 |
|
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2015-03-07 |
|
| 312-690
| 9 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2014-08-30 |
|
| 312-691
| A |
HMNDINPRCM0 |
6795 INDIANA PAGING NETWORK, INC. |
358 |
|
|
|
| 312-698
| A |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-698
| 0 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-698
| 1 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-698
| 2 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-698
| 3 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2010-12-30 |
|
| 312-698
| 4 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-698
| 5 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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