Local Calling Guide
Area code/prefix search
NPA: 312
[Rate centres in NPA 312]
[Dial plan for NPA 312]
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| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 312-948
| 1 |
Chicago Zone 01-Monroe |
IL |
CHCGILMODS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
2002-06-03 |
|
| 312-948
| 2 |
Chicago Zone 01-Monroe |
IL |
CHCGILMODS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
2002-06-03 |
|
| 312-948
| 3 |
Chicago Zone 01-Monroe |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2002-06-02 |
|
| 312-948
| 4 |
Chicago Zone 01-Monroe |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2002-06-03 |
|
| 312-948
| 5 |
Chicago Zone 01-Monroe |
IL |
CHCGILWUX1X |
7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. |
358 |
|
|
|
| 312-948
| 6 |
Chicago Zone 01-Monroe |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2002-06-03 |
|
| 312-948
| 7 |
Chicago Zone 01-Monroe |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2002-06-03 |
|
| 312-948
| 8 |
Chicago Zone 01-Monroe |
IL |
CHCGILWUX1X |
7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. |
358 |
|
2001-01-18 |
|
| 312-948
| 9 |
Chicago Zone 01-Monroe |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2011-08-06 |
|
| 312-949
| A |
Chicago Zone 01-Calumet |
IL |
CHCGILCADS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-951
| A |
Chicago Zone 01-Superior |
IL |
CHCGILSUDS2 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-951
| 0 |
Chicago Zone 01-Superior |
IL |
CHCGILSUDS2 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-951
| 1 |
Chicago Zone 01-Superior |
IL |
CHCGILSUDS2 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-951
| 2 |
Chicago Zone 01-Superior |
IL |
CHCGILSUDS2 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-951
| 3 |
Chicago Zone 01-Superior |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2015-01-03 |
|
| 312-951
| 4 |
Chicago Zone 01-Superior |
IL |
CHCGILSUDS2 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-951
| 5 |
Chicago Zone 01-Superior |
IL |
CHCGILSUDS2 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-951
| 6 |
Chicago Zone 01-Superior |
IL |
CHCGILSUDS2 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-951
| 7 |
Chicago Zone 01-Superior |
IL |
CHCGILSUDS2 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-951
| 8 |
Chicago Zone 01-Superior |
IL |
CHCGILSUDS2 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-951
| 9 |
Chicago Zone 01-Superior |
IL |
CHCGILSUDS2 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-952
| A |
Chicago Zone 01-Wabash |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
|
|
| 312-953
| A |
Chicago Zone 01-Wabash |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
|
|
| 312-954
| A |
Chicago Zone 01-Canal |
IL |
CHCGILCLDS3 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-955
| A |
Chicago Zone 01-Illinois Dearborn |
IL |
CHCGILACGT0 |
8702 RCN TELECOM SERVICES OF ILLINIOS, INC. - IL |
358 |
|
|
|
| 312-956
| A |
Chicago Zone 01-Calumet |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
|
|
| 312-956
| 0 |
Chicago Zone 01-Calumet |
IL |
CHCGILMF4MD |
5562 METROPCS, INC. |
358 |
|
2014-11-15 |
|
| 312-956
| 1 |
Chicago Zone 01-Calumet |
IL |
CHCGILMF4MD |
5562 METROPCS, INC. |
358 |
|
2014-11-15 |
|
| 312-956
| 2 |
Chicago Zone 01-Calumet |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2014-10-29 |
|
| 312-956
| 3 |
Chicago Zone 01-Calumet |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2014-10-29 |
|
| 312-956
| 4 |
Chicago Zone 01-Calumet |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2014-10-29 |
|
| 312-956
| 5 |
Chicago Zone 01-Calumet |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2014-10-29 |
|
| 312-956
| 6 |
Chicago Zone 01-Calumet |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2014-10-29 |
|
| 312-956
| 7 |
Chicago Zone 01-Calumet |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2014-10-29 |
|
| 312-956
| 8 |
Chicago Zone 01-Calumet |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2014-10-29 |
|
| 312-956
| 9 |
Chicago Zone 01-Calumet |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2014-10-29 |
|
| 312-957
| A |
Chicago Zone 01-Wabash |
IL |
CHCGILWBDS2 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-957
| 0 |
Chicago Zone 01-Wabash |
IL |
CHCGILWBDS2 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-957
| 1 |
Chicago Zone 01-Wabash |
IL |
CHCGILWBDS2 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-957
| 2 |
Chicago Zone 01-Wabash |
IL |
CHCGILWBDS2 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-957
| 3 |
Chicago Zone 01-Wabash |
IL |
CHCGILWBDS2 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-957
| 4 |
Chicago Zone 01-Wabash |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2006-07-03 |
|
| 312-957
| 5 |
Chicago Zone 01-Wabash |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2006-07-03 |
|
| 312-957
| 6 |
Chicago Zone 01-Wabash |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2006-07-03 |
|
| 312-957
| 7 |
Chicago Zone 01-Wabash |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2006-07-03 |
|
| 312-957
| 8 |
Chicago Zone 01-Wabash |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2006-07-03 |
|
| 312-957
| 9 |
Chicago Zone 01-Wabash |
IL |
CHCGILWBDS2 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-960
| A |
Chicago Zone 01-Franklin |
IL |
CHCGILFRDS3 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-960
| 0 |
Chicago Zone 01-Franklin |
IL |
CHCGILFRDS3 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-960
| 1 |
Chicago Zone 01-Franklin |
IL |
CHCGILFRDS3 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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