Local Calling Guide
Area code/prefix search
Chicago Zone 01-Illinois Dearborn, IL
1 2 >>
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 312-222
| A |
CHCGILIDDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-229
| A |
CHCGILIDDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-229
| 0 |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2008-06-06 |
|
| 312-229
| 1 |
CHCGILWUX1X |
7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. |
358 |
|
2000-03-10 |
|
| 312-229
| 2 |
CHCGILIDDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-229
| 3 |
CHCGILIDDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-229
| 4 |
CHCGILWUX1X |
7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. |
358 |
|
2000-03-10 |
|
| 312-229
| 5 |
CHCGILWUX1X |
7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. |
358 |
|
2000-03-10 |
|
| 312-229
| 6 |
CHCGILWUX1X |
7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. |
358 |
|
2000-03-10 |
|
| 312-229
| 7 |
CHCGILWUX1X |
7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. |
358 |
|
2000-03-10 |
|
| 312-229
| 8 |
CHCGILIDDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-229
| 9 |
CHCGILWUX1X |
4717 PAETEC COMMUNICATIONS, INC. - IL |
358 |
|
2008-07-02 |
|
| 312-245
| A |
CHCGILIDDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-321
| A |
CHCGILIDDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-329
| A |
CHCGILIDDS2 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-379
| A |
CHCGILWUX1X |
7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. |
358 |
|
|
|
| 312-379
| 0 |
CHCGILWUX1X |
7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. |
358 |
|
|
|
| 312-379
| 1 |
CHCGILIDDS2 |
9329 ILLINOIS BELL TEL CO |
358 |
|
2002-06-03 |
|
| 312-379
| 2 |
BNSVILDGDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
358 |
|
|
|
| 312-379
| 3 |
CHCGIL24DS3 |
4604 FIRST COMMUNICATIONS, LLC - IL |
358 |
|
2005-02-24 |
|
| 312-379
| 4 |
CHCGILIDDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
2000-05-05 |
|
| 312-379
| 5 |
CHCGILWUX1X |
7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. |
358 |
|
|
|
| 312-379
| 6 |
CHCGILIDDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
2000-05-05 |
|
| 312-379
| 7 |
CHCGILIDDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
2000-05-05 |
|
| 312-379
| 8 |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2006-12-09 |
|
| 312-379
| 9 |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2010-02-25 |
|
| 312-396
| A |
CHCGILIDDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-410
| A |
CHCGILIDDS2 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-464
| A |
CHCGILIDDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-467
| A |
CHCGILIDDS2 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-494
| A |
CHCGILIDDS2 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-527
| A |
CHCGILIDDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-595
| A |
CHCGILIDDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-644
| A |
CHCGILIDDS2 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-645
| A |
CHCGILIDDS2 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-661
| A |
CHCGILIDDS2 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-661
| 0 |
CHCGILIDDS2 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-661
| 1 |
CHCGILIDDS2 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-661
| 2 |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2013-02-08 |
|
| 312-661
| 3 |
CHCGILIDDS2 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-661
| 4 |
CHCGILIDDS2 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-661
| 5 |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2014-05-24 |
|
| 312-661
| 6 |
CHCGILMF6MD |
6529 T-MOBILE USA, INC. |
358 |
|
2011-05-26 |
|
| 312-661
| 7 |
CHCGILIDDS2 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-661
| 8 |
CHCGILIDDS2 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-661
| 9 |
CHCGILIDDS2 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-670
| A |
CHCGILIDDS2 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-742
| A |
CHCGILIDDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-744
| A |
CHCGILIDDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 312-755
| A |
CHCGILIDDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
1 2 >>
Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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