Local Calling Guide
Area code/prefix search
Switch: CHCGILGMDS7
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| NPA-NXX |
BLOCK |
Rate Centre |
Region |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 312-635
| 5 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-635
| 6 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-635
| 7 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-635
| 8 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-635
| 9 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-637
| A |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-637
| 1 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-637
| 2 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-637
| 3 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-637
| 4 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-637
| 5 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-637
| 6 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-637
| 7 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-637
| 8 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-637
| 9 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-638
| A |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-638
| 1 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-638
| 2 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-638
| 3 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-638
| 4 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-638
| 6 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-638
| 7 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-638
| 8 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-638
| 9 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-646
| A |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-646
| 1 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2007-10-01 |
|
| 312-646
| 2 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2007-10-01 |
|
| 312-646
| 3 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2007-10-01 |
|
| 312-646
| 4 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2007-10-01 |
|
| 312-646
| 5 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2007-10-01 |
|
| 312-647
| 2 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2013-07-16 |
|
| 312-651
| 3 |
Chicago Zone 01-Canal |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2019-12-30 |
|
| 312-651
| 4 |
Chicago Zone 01-Canal |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2008-06-09 |
|
| 312-651
| 6 |
Chicago Zone 01-Canal |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2008-06-09 |
|
| 312-668
| 6 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2019-08-18 |
|
| 312-668
| 7 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2019-08-18 |
|
| 312-668
| 8 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2019-08-18 |
|
| 312-668
| 9 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2019-08-18 |
|
| 312-674
| 6 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2002-06-24 |
|
| 312-675
| 3 |
Chicago Zone 01-Wabash |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2007-10-12 |
|
| 312-675
| 4 |
Chicago Zone 01-Wabash |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2007-10-12 |
|
| 312-675
| 5 |
Chicago Zone 01-Wabash |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2007-10-12 |
|
| 312-675
| 6 |
Chicago Zone 01-Wabash |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2007-10-12 |
|
| 312-675
| 7 |
Chicago Zone 01-Wabash |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2007-10-12 |
|
| 312-682
| 8 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2020-08-16 |
|
| 312-690
| A |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-690
| 4 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2014-07-03 |
|
| 312-690
| 5 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2014-07-16 |
|
| 312-690
| 6 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2014-07-16 |
|
| 312-690
| 7 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2014-07-16 |
|
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Last updated: Sat, 01 Aug 2026 03:19:33 UTC
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