Local Calling Guide
Area code/prefix search
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| NPA-NXX |
BLOCK |
Rate Centre |
Region |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 312-471
| 2 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2015-08-22 |
|
| 312-471
| 6 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2015-08-22 |
|
| 312-471
| 7 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2015-08-22 |
|
| 312-471
| 8 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2015-08-22 |
|
| 312-476
| 1 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2000-08-29 |
|
| 312-476
| 2 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2000-08-29 |
|
| 312-476
| 3 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2002-05-01 |
|
| 312-476
| 4 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2002-05-01 |
|
| 312-477
| A |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-477
| 0 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2011-04-13 |
|
| 312-488
| A |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-488
| 1 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2006-10-25 |
|
| 312-489
| 5 |
Chicago Zone 01-Wabash |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2013-07-26 |
|
| 312-492
| 4 |
Chicago Zone 01-Monroe |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2006-10-25 |
|
| 312-508
| 5 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2012-06-17 |
|
| 312-508
| 6 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2012-06-17 |
|
| 312-517
| 0 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2016-07-16 |
|
| 312-521
| 2 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2002-11-20 |
|
| 312-528
| 3 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2001-02-27 |
|
| 312-528
| 9 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2000-08-29 |
|
| 312-533
| 2 |
Chicago Zone 01-Wabash |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2011-02-17 |
|
| 312-533
| 4 |
Chicago Zone 01-Wabash |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2005-04-01 |
|
| 312-546
| A |
Chicago Zone 01-Wabash |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-546
| 3 |
Chicago Zone 01-Wabash |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2005-04-01 |
|
| 312-546
| 4 |
Chicago Zone 01-Wabash |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-546
| 6 |
Chicago Zone 01-Wabash |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2005-04-01 |
|
| 312-548
| A |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-548
| 0 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2007-10-20 |
|
| 312-548
| 1 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2007-10-20 |
|
| 312-548
| 2 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2007-10-20 |
|
| 312-548
| 3 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2007-10-20 |
|
| 312-548
| 6 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2007-10-20 |
|
| 312-548
| 7 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2007-10-20 |
|
| 312-548
| 8 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2007-10-20 |
|
| 312-548
| 9 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2007-10-20 |
|
| 312-579
| 2 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2017-09-09 |
|
| 312-579
| 3 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2017-09-09 |
|
| 312-598
| 9 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2019-04-29 |
|
| 312-602
| A |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-604
| 6 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2002-10-16 |
|
| 312-612
| 1 |
Chicago Zone 01-Canal |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2000-09-28 |
|
| 312-612
| 2 |
Chicago Zone 01-Canal |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2000-09-28 |
|
| 312-614
| 0 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2012-12-14 |
|
| 312-614
| 1 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2012-12-14 |
|
| 312-625
| A |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-625
| 5 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2014-01-26 |
|
| 312-635
| A |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-635
| 1 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-635
| 2 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-635
| 4 |
Chicago Zone 01-Calumet |
IL |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
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Last updated: Sat, 01 Aug 2026 03:19:33 UTC
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