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 |
| 312-340
| A |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 312-340
| 0 |
|
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2013-03-19 |
|
| 312-340
| 1 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2011-11-22 |
|
| 312-340
| 2 |
|
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
2011-11-23 |
|
| 312-340
| 3 |
|
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
2011-11-23 |
|
| 312-340
| 4 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2011-12-17 |
|
| 312-340
| 5 |
|
829J PAETEC ITEL, LLC |
358 |
|
2011-11-22 |
|
| 312-340
| 6 |
|
829J PAETEC ITEL, LLC |
358 |
|
2011-11-23 |
|
| 312-340
| 7 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2011-12-17 |
|
| 312-340
| 8 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2011-12-17 |
|
| 312-340
| 9 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2011-12-17 |
|
| 312-348
| A |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
|
|
| 312-348
| 0 |
|
5562 METROPCS, INC. |
358 |
|
2009-05-22 |
|
| 312-348
| 1 |
|
5447 ACCESS ONE, INC. - IL |
358 |
|
2009-02-21 |
|
| 312-348
| 2 |
|
7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL |
358 |
|
2008-06-17 |
|
| 312-348
| 3 |
|
7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL |
358 |
|
2008-06-17 |
|
| 312-348
| 4 |
|
7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL |
358 |
|
2008-06-17 |
|
| 312-348
| 5 |
|
7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL |
358 |
|
2008-06-17 |
|
| 312-348
| 6 |
|
7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL |
358 |
|
2008-06-17 |
|
| 312-348
| 7 |
|
7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL |
358 |
|
2008-06-17 |
|
| 312-348
| 8 |
|
224C ONVOY, LLC |
358 |
|
2004-01-05 |
|
| 312-348
| 9 |
|
5562 METROPCS, INC. |
358 |
|
2009-05-22 |
|
| 312-358
| A |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 312-358
| 0 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2015-09-18 |
|
| 312-358
| 1 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2015-09-18 |
|
| 312-358
| 2 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2015-09-18 |
|
| 312-358
| 3 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2015-09-18 |
|
| 312-358
| 4 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2015-09-18 |
|
| 312-358
| 5 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2015-09-18 |
|
| 312-358
| 6 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2015-09-18 |
|
| 312-358
| 7 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2015-09-18 |
|
| 312-358
| 8 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2015-09-18 |
|
| 312-358
| 9 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2015-09-18 |
|
| 312-366
| A |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
|
|
| 312-366
| 0 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2016-05-16 |
|
| 312-366
| 1 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2016-05-16 |
|
| 312-366
| 2 |
|
318J COMCAST IP PHONE, LLC |
358 |
|
2016-04-12 |
|
| 312-366
| 3 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2016-04-16 |
|
| 312-366
| 4 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2016-05-16 |
|
| 312-366
| 5 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2016-05-16 |
|
| 312-366
| 6 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2016-04-03 |
|
| 312-366
| 7 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2016-04-03 |
|
| 312-366
| 8 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2016-04-03 |
|
| 312-366
| 9 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2016-04-03 |
|
| 312-371
| A |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 312-371
| 0 |
|
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 312-371
| 1 |
|
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 312-371
| 2 |
|
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 312-371
| 3 |
|
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 312-371
| 4 |
|
6529 T-MOBILE USA, INC. |
358 |
|
|
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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