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 |
| 312-778
| 3 |
ELGNILOTGT5 |
5562 METROPCS, INC. |
358 |
|
2015-06-12 |
|
| 312-778
| 4 |
ELGNILOTGT5 |
5562 METROPCS, INC. |
358 |
|
2015-06-12 |
|
| 312-778
| 5 |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2015-06-09 |
|
| 312-778
| 6 |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2015-06-09 |
|
| 312-778
| 7 |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2015-06-09 |
|
| 312-778
| 8 |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2015-06-09 |
|
| 312-778
| 9 |
ELGNILOTGT5 |
5562 METROPCS, INC. |
358 |
|
2015-06-12 |
|
| 312-779
| A |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
|
|
| 312-779
| 0 |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2019-07-12 |
|
| 312-779
| 1 |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2019-07-12 |
|
| 312-779
| 2 |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2019-07-15 |
|
| 312-779
| 3 |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2026-04-30 |
|
| 312-779
| 4 |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2019-07-28 |
|
| 312-779
| 5 |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2019-07-28 |
|
| 312-779
| 6 |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2020-04-04 |
|
| 312-779
| 7 |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2019-07-28 |
|
| 312-779
| 8 |
OKBRILOAXEX |
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
2019-07-13 |
|
| 312-779
| 9 |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2019-07-28 |
|
| 312-783
| A |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
|
|
| 312-783
| 0 |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2016-09-29 |
|
| 312-783
| 1 |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2016-09-29 |
|
| 312-783
| 2 |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2016-09-29 |
|
| 312-783
| 3 |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2016-09-29 |
|
| 312-783
| 4 |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2016-09-29 |
|
| 312-783
| 5 |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2016-09-29 |
|
| 312-783
| 6 |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2016-09-29 |
|
| 312-783
| 7 |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2016-09-29 |
|
| 312-783
| 8 |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2016-09-29 |
|
| 312-783
| 9 |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2016-09-29 |
|
| 312-784
| A |
CHCGILWUX6X |
460K FIRST COMMUNICATIONS, LLC |
358 |
|
|
|
| 312-784
| 0 |
CHCGILWUX6X |
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2007-09-02 |
|
| 312-784
| 1 |
CHCGILWUX6X |
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2007-09-02 |
|
| 312-784
| 2 |
CHCGILWUX6X |
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2007-09-02 |
|
| 312-784
| 3 |
CHCGILWUX6X |
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2007-09-02 |
|
| 312-784
| 4 |
CHCGILWUX6X |
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2007-09-02 |
|
| 312-784
| 5 |
CHCGILWUX6X |
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2007-09-02 |
|
| 312-784
| 6 |
CHCGILWUX6X |
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2007-09-02 |
|
| 312-784
| 7 |
CHCGILWUX6X |
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2007-09-02 |
|
| 312-784
| 8 |
CHCGILWUX6X |
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2007-09-02 |
|
| 312-784
| 9 |
CHCGILWUX6X |
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2007-09-02 |
|
| 312-785
| A |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
|
|
| 312-785
| 0 |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2014-10-03 |
|
| 312-785
| 1 |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2014-10-03 |
|
| 312-785
| 2 |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2014-10-03 |
|
| 312-785
| 3 |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2014-10-03 |
|
| 312-785
| 4 |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2014-10-03 |
|
| 312-785
| 5 |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2014-10-03 |
|
| 312-785
| 6 |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2014-10-03 |
|
| 312-785
| 7 |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2014-10-03 |
|
| 312-785
| 8 |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2014-10-03 |
|
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Last updated: Sat, 01 Aug 2026 03:19:33 UTC
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