Local Calling Guide
Area code/prefix search
Chicago Zone 01-Calumet, IL
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| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 312-973
| 8 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2014-04-15 |
|
| 312-973
| 9 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2014-04-15 |
|
| 312-975
| A |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 312-975
| 0 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2015-07-08 |
|
| 312-975
| 1 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2015-07-08 |
|
| 312-975
| 2 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2015-07-08 |
|
| 312-975
| 3 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2015-07-08 |
|
| 312-975
| 4 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2015-07-08 |
|
| 312-975
| 5 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2015-07-08 |
|
| 312-975
| 6 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2014-11-14 |
|
| 312-975
| 7 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2014-11-14 |
|
| 312-975
| 8 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2014-11-14 |
|
| 312-975
| 9 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2014-11-14 |
|
| 312-978
| A |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 312-978
| 0 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2013-12-06 |
|
| 312-978
| 1 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2013-12-06 |
|
| 312-978
| 2 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2013-12-06 |
|
| 312-978
| 3 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2013-12-06 |
|
| 312-978
| 4 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2013-12-06 |
|
| 312-978
| 5 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2013-12-06 |
|
| 312-978
| 6 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2013-12-06 |
|
| 312-978
| 7 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2013-12-06 |
|
| 312-978
| 8 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2013-12-06 |
|
| 312-978
| 9 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2013-12-06 |
|
| 312-981
| A |
CHCGILWBXWZ |
829J PAETEC ITEL, LLC |
358 |
|
2024-12-09 |
|
| 312-981
| 0 |
|
829J PAETEC ITEL, LLC |
358 |
|
|
|
| 312-981
| 1 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
2001-12-18 |
|
| 312-981
| 2 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
2001-12-07 |
|
| 312-981
| 3 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
2001-12-07 |
|
| 312-981
| 4 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
2000-06-30 |
|
| 312-981
| 5 |
|
829J PAETEC ITEL, LLC |
358 |
|
|
|
| 312-981
| 6 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
2000-06-30 |
|
| 312-981
| 7 |
|
829J PAETEC ITEL, LLC |
358 |
|
2007-05-18 |
|
| 312-981
| 8 |
|
829J PAETEC ITEL, LLC |
358 |
|
2001-01-18 |
|
| 312-981
| 9 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2011-08-07 |
|
| 312-982
| A |
CHCGILNEXJX |
318J COMCAST IP PHONE, LLC |
358 |
|
|
|
| 312-982
| 0 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2014-11-24 |
|
| 312-982
| 1 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2014-11-24 |
|
| 312-982
| 2 |
|
318J COMCAST IP PHONE, LLC |
358 |
|
2014-11-21 |
|
| 312-982
| 3 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2014-11-24 |
|
| 312-982
| 4 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2014-11-24 |
|
| 312-982
| 5 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2014-11-24 |
|
| 312-982
| 6 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2014-11-24 |
|
| 312-982
| 7 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2014-11-24 |
|
| 312-982
| 8 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2014-11-24 |
|
| 312-982
| 9 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2014-11-24 |
|
| 312-985
| A |
CHCGILWBXWZ |
829J PAETEC ITEL, LLC |
358 |
|
2024-12-09 |
|
| 312-985
| 0 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2007-11-08 |
|
| 312-985
| 1 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2011-03-26 |
|
| 312-985
| 2 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
2000-07-07 |
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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