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 |
| 331-481
| 3 |
Downers Grove |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2009-05-18 |
|
| 331-481
| 4 |
Downers Grove |
IL |
CHCGILDTDS3 |
5447 ACCESS ONE, INC. - IL |
358 |
|
2009-02-19 |
|
| 331-481
| 5 |
Downers Grove |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2010-03-04 |
|
| 331-481
| 6 |
Downers Grove |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2010-11-17 |
|
| 331-481
| 7 |
Downers Grove |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2009-06-16 |
|
| 331-481
| 8 |
Downers Grove |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2009-06-30 |
|
| 331-481
| 9 |
Downers Grove |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2009-02-20 |
|
| 331-500
| A |
Geneva |
IL |
CHCGILWURMD |
965H FRACTEL, LLC |
358 |
|
|
|
| 331-500
| 0 |
Geneva |
IL |
CHCGILWURMD |
965H FRACTEL, LLC |
358 |
|
2021-03-04 |
|
| 331-500
| 1 |
Geneva |
IL |
CHCGIL245MD |
073H TELNYX LLC |
358 |
|
2021-03-05 |
|
| 331-500
| 2 |
Geneva |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2021-11-19 |
|
| 331-500
| 3 |
Geneva |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2021-11-19 |
|
| 331-500
| 4 |
Geneva |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2021-11-19 |
|
| 331-500
| 5 |
Geneva |
IL |
CHCGILIDXDX |
624H ONVOY SPECTRUM, LLC |
358 |
|
2021-06-28 |
|
| 331-500
| 6 |
Geneva |
IL |
CHCGILMF2MD |
6529 T-MOBILE USA, INC. |
358 |
|
2022-03-20 |
|
| 331-500
| 7 |
Geneva |
IL |
CHCGILMF2MD |
6529 T-MOBILE USA, INC. |
358 |
|
2022-03-20 |
|
| 331-500
| 8 |
Geneva |
IL |
|
515J IP HORIZON LLC |
358 |
|
2021-06-27 |
|
| 331-500
| 9 |
Geneva |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2023-09-07 |
|
| 331-529
| A |
Naperville |
IL |
CHCGILWURMD |
965H FRACTEL, LLC |
358 |
|
|
|
| 331-529
| 0 |
Naperville |
IL |
CHCGILWUDS4 |
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2020-02-26 |
|
| 331-529
| 1 |
Naperville |
IL |
BFGVILASG00 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2020-03-11 |
|
| 331-529
| 2 |
Naperville |
IL |
BFGVILASG00 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2020-03-11 |
|
| 331-529
| 3 |
Naperville |
IL |
CHCGILWURMD |
965H FRACTEL, LLC |
358 |
|
2019-10-02 |
|
| 331-529
| 4 |
Naperville |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2022-01-10 |
|
| 331-529
| 5 |
Naperville |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2020-12-03 |
|
| 331-529
| 6 |
Naperville |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2020-12-03 |
|
| 331-529
| 7 |
Naperville |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2020-12-03 |
|
| 331-529
| 8 |
Naperville |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2020-12-03 |
|
| 331-529
| 9 |
Naperville |
IL |
CHCGILWURMD |
965H FRACTEL, LLC |
358 |
|
2019-10-02 |
|
| 331-551
| A |
Lombard |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
|
|
| 331-551
| 0 |
Lombard |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2009-01-08 |
|
| 331-551
| 1 |
Lombard |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2009-01-08 |
|
| 331-551
| 2 |
Lombard |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2009-01-08 |
|
| 331-551
| 3 |
Lombard |
IL |
CHCGILMF2MD |
6529 T-MOBILE USA, INC. |
358 |
|
2014-11-03 |
|
| 331-551
| 4 |
Lombard |
IL |
CHCGILMF2MD |
6529 T-MOBILE USA, INC. |
358 |
|
2014-11-03 |
|
| 331-551
| 5 |
Lombard |
IL |
|
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2010-01-29 |
|
| 331-551
| 6 |
Lombard |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2010-06-25 |
|
| 331-551
| 7 |
Lombard |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2010-07-16 |
|
| 331-551
| 8 |
Lombard |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2010-10-30 |
|
| 331-551
| 9 |
Lombard |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2011-03-19 |
|
| 331-575
| A |
Aurora |
IL |
CHCGILMF2MD |
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 331-575
| 0 |
Aurora |
IL |
WCHCILBFGT0 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2009-02-24 |
|
| 331-575
| 1 |
Aurora |
IL |
WCHCILBFGT0 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2009-01-20 |
|
| 331-575
| 2 |
Aurora |
IL |
WCHCILBFGT0 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2009-01-20 |
|
| 331-575
| 3 |
Aurora |
IL |
WCHCILBFGT0 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2009-01-20 |
|
| 331-575
| 4 |
Aurora |
IL |
WCHCILBFGT0 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2009-02-24 |
|
| 331-575
| 5 |
Aurora |
IL |
WCHCILBFGT0 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2009-02-24 |
|
| 331-575
| 6 |
Aurora |
IL |
WCHCILBFGT0 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2009-02-24 |
|
| 331-575
| 7 |
Aurora |
IL |
CHCGILMF2MD |
6529 T-MOBILE USA, INC. |
358 |
|
2010-05-07 |
|
| 331-575
| 8 |
Aurora |
IL |
CHCGILMF2MD |
6529 T-MOBILE USA, INC. |
358 |
|
2010-05-07 |
|
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Last updated: Sun, 18 Aug 2024 23:40:19 UTC
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