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 |
| 312-881
| A |
CHCGILWBXWZ |
829J PAETEC ITEL, LLC |
358 |
|
2024-12-09 |
|
| 312-881
| 0 |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2016-12-16 |
|
| 312-881
| 1 |
CHCGILCGDS1 |
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
2001-08-16 |
|
| 312-881
| 2 |
CHCGIL24DS0 |
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
2000-05-19 |
|
| 312-881
| 3 |
CHCGILCADS1 |
9329 ILLINOIS BELL TEL CO |
358 |
|
2002-06-04 |
|
| 312-881
| 4 |
CHCGIL24DS0 |
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
2000-05-19 |
|
| 312-881
| 5 |
CHCGILWBXWZ |
829J PAETEC ITEL, LLC |
358 |
|
|
|
| 312-881
| 6 |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2001-12-26 |
|
| 312-881
| 7 |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2000-07-20 |
|
| 312-881
| 8 |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2000-07-20 |
|
| 312-881
| 9 |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2011-08-07 |
|
| 312-883
| A |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
|
|
| 312-883
| 0 |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2015-01-11 |
|
| 312-883
| 1 |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2015-01-11 |
|
| 312-883
| 2 |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2015-01-11 |
|
| 312-883
| 3 |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2015-01-11 |
|
| 312-883
| 4 |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2015-01-11 |
|
| 312-883
| 5 |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2015-01-11 |
|
| 312-883
| 6 |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2015-01-11 |
|
| 312-883
| 7 |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2015-01-11 |
|
| 312-883
| 8 |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2015-01-11 |
|
| 312-883
| 9 |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2015-01-11 |
|
| 312-884
| A |
CHCGILWBXWZ |
829J PAETEC ITEL, LLC |
358 |
|
2024-12-09 |
|
| 312-884
| 0 |
CHCGILWBXWZ |
829J PAETEC ITEL, LLC |
358 |
|
|
|
| 312-884
| 1 |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2010-03-04 |
|
| 312-884
| 2 |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2000-08-17 |
|
| 312-884
| 3 |
CHCGILWUX6X |
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2000-03-23 |
|
| 312-884
| 4 |
CHCGILWUX6X |
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2000-03-23 |
|
| 312-884
| 5 |
CHCGILWBXWZ |
829J PAETEC ITEL, LLC |
358 |
|
|
|
| 312-884
| 6 |
CHCGILFRDS4 |
9329 ILLINOIS BELL TEL CO |
358 |
|
2000-11-17 |
|
| 312-884
| 7 |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2000-06-05 |
|
| 312-884
| 8 |
CHCGILWBXWZ |
829J PAETEC ITEL, LLC |
358 |
|
2001-01-18 |
|
| 312-884
| 9 |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2010-03-04 |
|
| 312-885
| A |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 312-885
| 0 |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2015-11-16 |
|
| 312-885
| 1 |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2015-11-16 |
|
| 312-885
| 2 |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2015-11-16 |
|
| 312-885
| 3 |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2015-11-16 |
|
| 312-885
| 4 |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2015-11-16 |
|
| 312-885
| 5 |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2015-11-16 |
|
| 312-885
| 6 |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2015-11-16 |
|
| 312-885
| 7 |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2015-11-16 |
|
| 312-885
| 8 |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2015-11-16 |
|
| 312-885
| 9 |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2015-11-16 |
|
| 312-888
| A |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
|
|
| 312-888
| 0 |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2012-03-31 |
|
| 312-888
| 1 |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2012-03-31 |
|
| 312-888
| 2 |
CHCGILNEXJX |
318J COMCAST IP PHONE, LLC |
358 |
|
2012-03-19 |
|
| 312-888
| 3 |
CHCGILNEXJX |
318J COMCAST IP PHONE, LLC |
358 |
|
2012-03-19 |
|
| 312-888
| 4 |
CHCGILDTKMD |
5447 ACCESS ONE, INC. - IL |
358 |
|
2013-12-19 |
|
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Last updated: Sat, 01 Aug 2026 03:19:33 UTC
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