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 |
| 331-307
| 3 |
Lombard |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2016-03-02 |
|
| 331-307
| 4 |
Lombard |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2016-05-01 |
|
| 331-307
| 5 |
Lombard |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2016-05-01 |
|
| 331-307
| 6 |
Lombard |
IL |
|
515J IP HORIZON LLC |
358 |
|
2016-08-09 |
|
| 331-307
| 7 |
Lombard |
IL |
CHCGILNEXJX |
318J COMCAST IP PHONE, LLC |
358 |
|
2015-08-20 |
|
| 331-307
| 8 |
Lombard |
IL |
CHCGILMF2MD |
6529 T-MOBILE USA, INC. |
358 |
|
2014-12-08 |
|
| 331-307
| 9 |
Lombard |
IL |
CHCGILMF2MD |
6529 T-MOBILE USA, INC. |
358 |
|
2014-12-08 |
|
| 331-308
| A |
Bartlett |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
|
|
| 331-308
| 0 |
Bartlett |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2015-02-21 |
|
| 331-308
| 1 |
Bartlett |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2015-02-21 |
|
| 331-308
| 2 |
Bartlett |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2015-02-21 |
|
| 331-308
| 3 |
Bartlett |
IL |
CHCGILMF2MD |
6529 T-MOBILE USA, INC. |
358 |
|
2015-03-16 |
|
| 331-308
| 4 |
Bartlett |
IL |
CHCGILMF2MD |
6529 T-MOBILE USA, INC. |
358 |
|
2015-03-16 |
|
| 331-308
| 5 |
Bartlett |
IL |
CHCGILMF2MD |
6529 T-MOBILE USA, INC. |
358 |
|
2015-03-16 |
|
| 331-308
| 6 |
Bartlett |
IL |
CHCGILMF2MD |
6529 T-MOBILE USA, INC. |
358 |
|
2015-03-16 |
|
| 331-308
| 7 |
Bartlett |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2016-02-29 |
|
| 331-308
| 8 |
Bartlett |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2016-02-29 |
|
| 331-308
| 9 |
Bartlett |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2016-03-14 |
|
| 331-309
| A |
Lemont |
IL |
ELGNILOT0MD |
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 331-309
| 0 |
Lemont |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2023-11-30 |
|
| 331-309
| 1 |
Lemont |
IL |
|
939H COMMIO, LLC |
358 |
|
2024-02-03 |
|
| 331-309
| 2 |
Lemont |
IL |
|
939H COMMIO, LLC |
358 |
|
2024-02-03 |
|
| 331-309
| 3 |
Lemont |
IL |
|
939H COMMIO, LLC |
358 |
|
2024-02-03 |
|
| 331-309
| 4 |
Lemont |
IL |
|
939H COMMIO, LLC |
358 |
|
2024-02-03 |
|
| 331-309
| 5 |
Lemont |
IL |
|
224C ONVOY, LLC |
358 |
|
2024-03-08 |
|
| 331-309
| 6 |
Lemont |
IL |
|
224C ONVOY, LLC |
358 |
|
2024-03-08 |
|
| 331-309
| 7 |
Lemont |
IL |
|
224C ONVOY, LLC |
358 |
|
2024-03-08 |
|
| 331-309
| 8 |
Lemont |
IL |
|
939H COMMIO, LLC |
358 |
|
2024-02-03 |
|
| 331-309
| 9 |
Lemont |
IL |
ELGNILOT0MD |
6529 T-MOBILE USA, INC. |
358 |
|
2023-11-29 |
|
| 331-310
| A |
Big Rock |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
|
|
| 331-310
| 0 |
Big Rock |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2015-02-26 |
|
| 331-310
| 1 |
Big Rock |
IL |
CHCGILWUDS4 |
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2015-06-21 |
|
| 331-310
| 2 |
Big Rock |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2016-04-23 |
|
| 331-310
| 3 |
Big Rock |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2016-04-23 |
|
| 331-310
| 4 |
Big Rock |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2020-09-06 |
|
| 331-310
| 5 |
Big Rock |
IL |
CHCGIL24XMD |
495J STRATUS NETWORKS |
358 |
|
2020-12-13 |
|
| 331-310
| 6 |
Big Rock |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2021-02-12 |
|
| 331-310
| 7 |
Big Rock |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2016-03-14 |
|
| 331-310
| 8 |
Big Rock |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2016-03-14 |
|
| 331-310
| 9 |
Big Rock |
IL |
CHCGILWUJMD |
073H TELNYX LLC |
358 |
|
2017-05-08 |
|
| 331-312
| A |
Aurora |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2024-01-07 |
|
| 331-312
| 0 |
Aurora |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2024-01-07 |
|
| 331-312
| 1 |
Aurora |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2024-01-07 |
|
| 331-312
| 2 |
Aurora |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2024-01-07 |
|
| 331-312
| 3 |
Aurora |
IL |
CHCGILCPXPX |
732J NUSO, LLC |
358 |
|
2024-01-08 |
|
| 331-312
| 7 |
Aurora |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2024-01-09 |
|
| 331-312
| 8 |
Aurora |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2024-01-09 |
|
| 331-312
| 9 |
Aurora |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2024-01-09 |
|
| 331-313
| A |
Naperville |
IL |
CHCGILIDXDX |
624H ONVOY SPECTRUM, LLC |
358 |
|
|
|
| 331-313
| 0 |
Naperville |
IL |
CHCGILIDXDX |
624H ONVOY SPECTRUM, LLC |
358 |
|
2022-10-19 |
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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