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 |
| 312-934
| 8 |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2015-02-05 |
|
| 312-934
| 9 |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2015-02-05 |
|
| 312-937
| A |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
|
|
| 312-937
| 0 |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2014-11-09 |
|
| 312-937
| 1 |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2014-11-09 |
|
| 312-937
| 2 |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2014-11-09 |
|
| 312-937
| 3 |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2014-11-09 |
|
| 312-937
| 4 |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2015-07-22 |
|
| 312-937
| 5 |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2015-07-22 |
|
| 312-937
| 6 |
ELGNILOTGT5 |
5562 METROPCS, INC. |
358 |
|
2015-07-22 |
|
| 312-937
| 7 |
ELGNILOTGT5 |
5562 METROPCS, INC. |
358 |
|
2015-07-22 |
|
| 312-937
| 8 |
ELGNILOTGT5 |
5562 METROPCS, INC. |
358 |
|
2015-07-22 |
|
| 312-937
| 9 |
ELGNILOTGT5 |
5562 METROPCS, INC. |
358 |
|
2014-11-15 |
|
| 312-940
| A |
CHCGILWUDS4 |
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
|
|
| 312-940
| 0 |
CHCGILWUDS4 |
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2013-11-11 |
|
| 312-940
| 1 |
CHCGILWUDS4 |
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2013-11-11 |
|
| 312-940
| 2 |
CHCGILWUDS4 |
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2013-11-11 |
|
| 312-940
| 3 |
CHCGILWUDS4 |
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2013-11-11 |
|
| 312-940
| 4 |
CHCGILWUDS4 |
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2013-11-11 |
|
| 312-940
| 5 |
CHCGILWUDS4 |
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2013-11-11 |
|
| 312-940
| 6 |
CHCGILWUDS4 |
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2013-11-11 |
|
| 312-940
| 7 |
CHCGILWUDS4 |
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2013-11-11 |
|
| 312-940
| 8 |
CHCGILWUDS4 |
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2013-11-11 |
|
| 312-940
| 9 |
CHCGILWUDS4 |
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2013-11-11 |
|
| 312-947
| A |
CHCGILMODS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-947
| 0 |
CHCGILMODS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
2010-12-18 |
|
| 312-947
| 1 |
CHCGILMODS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
2010-12-18 |
|
| 312-947
| 2 |
CHCGILMODS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
2010-12-18 |
|
| 312-947
| 3 |
CHCGILMODS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
2010-12-18 |
|
| 312-947
| 4 |
CHCGILMODS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
2010-12-18 |
|
| 312-947
| 5 |
CHCGILMODS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
2010-12-18 |
|
| 312-947
| 6 |
CHCGILMODS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
2010-12-18 |
|
| 312-947
| 7 |
CHCGILMODS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
2010-12-18 |
|
| 312-947
| 8 |
CHCGILMODS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
2010-12-18 |
|
| 312-947
| 9 |
CHCGILMODS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
2010-12-18 |
|
| 312-948
| A |
CHCGILWBXWZ |
829J PAETEC ITEL, LLC |
358 |
|
2024-12-09 |
|
| 312-948
| 0 |
CHCGILWBXWZ |
829J PAETEC ITEL, LLC |
358 |
|
|
|
| 312-948
| 1 |
CHCGILMODS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
2002-06-03 |
|
| 312-948
| 2 |
CHCGILMODS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
2002-06-03 |
|
| 312-948
| 3 |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2002-06-02 |
|
| 312-948
| 4 |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2002-06-03 |
|
| 312-948
| 5 |
CHCGILWBXWZ |
829J PAETEC ITEL, LLC |
358 |
|
|
|
| 312-948
| 6 |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2002-06-03 |
|
| 312-948
| 7 |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2002-06-03 |
|
| 312-948
| 8 |
CHCGILWBXWZ |
829J PAETEC ITEL, LLC |
358 |
|
2001-01-18 |
|
| 312-948
| 9 |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2011-08-06 |
|
| 312-949
| A |
CHCGILCADS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-956
| A |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
|
|
| 312-956
| 0 |
ELGNILOTGT5 |
5562 METROPCS, INC. |
358 |
|
2014-11-15 |
|
| 312-956
| 1 |
ELGNILOTGT5 |
5562 METROPCS, INC. |
358 |
|
2014-11-15 |
|
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Last updated: Sat, 01 Aug 2026 03:19:33 UTC
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