Local Calling Guide
Area code/prefix search
NPA: 331
[Rate centres in NPA 331]
[Dial plan for NPA 331]
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 331-888
| 4 |
Warrenville |
IL |
CHCGILWUSMD |
145J TERRA NOVA TELECOM INC. |
358 |
|
2023-08-05 |
|
| 331-888
| 5 |
Warrenville |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2016-03-14 |
|
| 331-888
| 6 |
Warrenville |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2016-03-14 |
|
| 331-888
| 7 |
Warrenville |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2016-05-01 |
|
| 331-888
| 8 |
Warrenville |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2016-05-01 |
|
| 331-888
| 9 |
Warrenville |
IL |
CHCGILWUDS4 |
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2015-06-05 |
|
| 331-899
| A |
Lombard |
IL |
CHCGILWURMD |
965H FRACTEL, LLC |
358 |
|
|
|
| 331-899
| 0 |
Lombard |
IL |
CHCGIL24MMD |
515J IP HORIZON LLC |
358 |
|
2021-06-14 |
|
| 331-899
| 1 |
Lombard |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2021-08-17 |
|
| 331-899
| 2 |
Lombard |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2021-03-01 |
|
| 331-899
| 3 |
Lombard |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2021-03-01 |
|
| 331-899
| 4 |
Lombard |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2021-03-01 |
|
| 331-899
| 5 |
Lombard |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2021-03-01 |
|
| 331-899
| 6 |
Lombard |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2021-03-01 |
|
| 331-899
| 7 |
Lombard |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2021-03-01 |
|
| 331-899
| 8 |
Lombard |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2021-03-01 |
|
| 331-899
| 9 |
Lombard |
IL |
CHCGILWURMD |
965H FRACTEL, LLC |
358 |
|
2021-02-19 |
|
| 331-900
| A |
Elmhurst |
IL |
CHCGILWURMD |
965H FRACTEL, LLC |
358 |
|
|
|
| 331-900
| 0 |
Elmhurst |
IL |
|
965H FRACTEL, LLC |
358 |
|
2019-10-01 |
|
| 331-900
| 1 |
Elmhurst |
IL |
CHCGILWUDS4 |
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2020-07-01 |
|
| 331-900
| 2 |
Elmhurst |
IL |
CHCGIL24MMD |
515J IP HORIZON LLC |
358 |
|
2021-06-14 |
|
| 331-900
| 3 |
Elmhurst |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2019-10-04 |
|
| 331-900
| 4 |
Elmhurst |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2019-10-04 |
|
| 331-900
| 5 |
Elmhurst |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2019-10-04 |
|
| 331-900
| 6 |
Elmhurst |
IL |
CHCGILIDXDX |
624H ONVOY SPECTRUM, LLC |
358 |
|
2021-06-28 |
|
| 331-900
| 7 |
Elmhurst |
IL |
CHCGIL245MD |
073H TELNYX LLC |
358 |
|
2021-08-02 |
|
| 331-900
| 8 |
Elmhurst |
IL |
CHCGILWUDS4 |
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2020-09-25 |
|
| 331-900
| 9 |
Elmhurst |
IL |
|
965H FRACTEL, LLC |
358 |
|
2019-10-01 |
|
| 331-901
| A |
Geneva |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
|
|
| 331-901
| 0 |
Geneva |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2015-06-21 |
|
| 331-901
| 1 |
Geneva |
IL |
WCHCILBFGT0 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2015-08-20 |
|
| 331-901
| 2 |
Geneva |
IL |
WCHCILBFGT0 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2015-08-20 |
|
| 331-901
| 3 |
Geneva |
IL |
WCHCILBFGT0 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2017-04-28 |
|
| 331-901
| 4 |
Geneva |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2016-02-29 |
|
| 331-901
| 5 |
Geneva |
IL |
CHCGILNEXJX |
318J COMCAST IP PHONE, LLC |
358 |
|
2015-10-19 |
|
| 331-901
| 6 |
Geneva |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2016-02-29 |
|
| 331-901
| 7 |
Geneva |
IL |
WCHCILBFGT0 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2015-11-13 |
|
| 331-901
| 8 |
Geneva |
IL |
WCHCILBFGT0 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2015-07-23 |
|
| 331-901
| 9 |
Geneva |
IL |
WCHCILBFGT0 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2015-07-23 |
|
| 331-903
| A |
Downers Grove |
IL |
CHCGILCLXOX |
516C AT&T CORP. |
358 |
|
|
|
| 331-903
| 0 |
Downers Grove |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2014-09-22 |
|
| 331-903
| 1 |
Downers Grove |
IL |
CHCGIL24DS3 |
4604 FIRST COMMUNICATIONS, LLC - IL |
358 |
|
2016-06-25 |
|
| 331-903
| 2 |
Downers Grove |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2015-09-09 |
|
| 331-903
| 3 |
Downers Grove |
IL |
CHCGILNEXJX |
318J COMCAST IP PHONE, LLC |
358 |
|
2015-07-04 |
|
| 331-903
| 4 |
Downers Grove |
IL |
OKBRILOAXEX |
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
2015-08-07 |
|
| 331-903
| 5 |
Downers Grove |
IL |
CHCGILCLXOX |
516C AT&T CORP. |
358 |
|
2014-06-14 |
|
| 331-903
| 6 |
Downers Grove |
IL |
CHCGILNEXJX |
318J COMCAST IP PHONE, LLC |
358 |
|
2014-10-07 |
|
| 331-903
| 7 |
Downers Grove |
IL |
BFGVILASG00 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2014-11-22 |
|
| 331-903
| 8 |
Downers Grove |
IL |
BFGVILASG00 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2014-11-22 |
|
| 331-903
| 9 |
Downers Grove |
IL |
BFGVILASG00 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2015-07-25 |
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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