Local Calling Guide
Area code/prefix search
Chicago Zone 01-Canal, IL
<< 1 2 3 4 5 6 7 8 >>
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 312-798
| A |
CHCGILCLDS3 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-798
| 0 |
CHCGILCLDS3 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-798
| 1 |
CHCGILCLDS3 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-798
| 2 |
CHCGILCLDS3 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-798
| 3 |
CHCGILCLDS3 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-798
| 4 |
CHCGILCLDS3 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-798
| 5 |
CHCGILCLDS3 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-798
| 6 |
CHCGILCLDS3 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-798
| 7 |
CHCGILCLDS3 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-798
| 8 |
CHCGILCLDS3 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-798
| 9 |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2010-03-04 |
|
| 312-831
| A |
CHCGILCLDS3 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-869
| A |
CHCGILCLDS3 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-869
| 0 |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2009-02-10 |
|
| 312-869
| 1 |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2009-02-10 |
|
| 312-869
| 2 |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2010-03-04 |
|
| 312-869
| 3 |
CHCGILCLDS3 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-869
| 4 |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2010-03-04 |
|
| 312-869
| 5 |
CHCGILCLDS3 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-869
| 6 |
CHCGILCLDS3 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-869
| 7 |
CHCGILCLDS3 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-869
| 8 |
CHCGILCLDS3 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-869
| 9 |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2010-03-04 |
|
| 312-873
| A |
EGVGILIFDS1 |
7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL |
358 |
|
|
|
| 312-875
| A |
CHCGILCLDS3 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-876
| A |
CHCGILCLDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-879
| A |
CHCGILCLDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-879
| 0 |
CHCGILIDXDX |
624H ONVOY SPECTRUM, LLC |
358 |
|
2022-01-07 |
|
| 312-879
| 1 |
|
321J HD CARRIER LLC |
358 |
|
2025-10-11 |
|
| 312-879
| 2 |
CHCGILCLDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-879
| 3 |
CHCGILCLDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-879
| 4 |
CHCGILCLDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-879
| 5 |
CHCGILCLDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-879
| 6 |
CHCGILCLDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-879
| 7 |
CHCGILCLDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-879
| 8 |
CHCGILCLDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-879
| 9 |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2012-01-13 |
|
| 312-887
| A |
CHCGILCLDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-887
| 0 |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2011-02-24 |
|
| 312-887
| 1 |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2015-02-07 |
|
| 312-887
| 2 |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2015-02-07 |
|
| 312-887
| 3 |
CHCGILCLDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-887
| 4 |
CHCGILCLDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-887
| 5 |
CHCGILCLDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-887
| 6 |
CHCGILCLDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-887
| 7 |
CHCGILCLDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-887
| 8 |
CHCGILCLDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-887
| 9 |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2011-02-24 |
|
| 312-902
| A |
CHCGILCLDS3 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-906
| A |
CHCGILCLDS3 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
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Last updated: Sun, 17 May 2026 03:26:51 UTC
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