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 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 331-302
| 4 |
Aurora |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2014-03-30 |
|
| 331-302
| 5 |
Aurora |
IL |
CHCGILNEXJX |
318J COMCAST IP PHONE, LLC |
358 |
|
2014-09-13 |
|
| 331-302
| 6 |
Aurora |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2014-10-09 |
|
| 331-302
| 7 |
Aurora |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2014-11-03 |
|
| 331-302
| 8 |
Aurora |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2015-07-23 |
|
| 331-302
| 9 |
Aurora |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2015-10-11 |
|
| 331-303
| A |
Elburn |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
|
|
| 331-303
| 0 |
Elburn |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2014-03-14 |
|
| 331-303
| 2 |
Elburn |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2014-03-14 |
|
| 331-303
| 3 |
Elburn |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2014-09-15 |
|
| 331-303
| 4 |
Elburn |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2014-09-15 |
|
| 331-303
| 5 |
Elburn |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2015-05-16 |
|
| 331-303
| 6 |
Elburn |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2015-05-16 |
|
| 331-303
| 7 |
Elburn |
IL |
CHCGILDT8MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
358 |
|
2014-07-15 |
|
| 331-303
| 8 |
Elburn |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2015-05-16 |
|
| 331-303
| 9 |
Elburn |
IL |
CHCGILWUJMD |
073H TELNYX LLC |
358 |
|
2018-06-28 |
|
| 331-304
| A |
Bartlett |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 331-304
| 0 |
Bartlett |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2016-03-07 |
|
| 331-304
| 1 |
Bartlett |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2016-03-07 |
|
| 331-304
| 2 |
Bartlett |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2017-04-23 |
|
| 331-304
| 3 |
Bartlett |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2017-04-23 |
|
| 331-304
| 4 |
Bartlett |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2017-04-23 |
|
| 331-304
| 5 |
Bartlett |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2017-04-23 |
|
| 331-304
| 6 |
Bartlett |
IL |
CHCGILWUDS4 |
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2020-10-25 |
|
| 331-304
| 7 |
Bartlett |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2021-07-24 |
|
| 331-304
| 8 |
Bartlett |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2015-04-20 |
|
| 331-304
| 9 |
Bartlett |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2015-04-20 |
|
| 331-305
| A |
Naperville |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
|
|
| 331-305
| 0 |
Naperville |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2013-10-11 |
|
| 331-305
| 1 |
Naperville |
IL |
BFGVILASG00 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2013-12-05 |
|
| 331-305
| 2 |
Naperville |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2014-05-10 |
|
| 331-305
| 3 |
Naperville |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2014-05-19 |
|
| 331-305
| 4 |
Naperville |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2014-05-19 |
|
| 331-305
| 5 |
Naperville |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2014-05-19 |
|
| 331-305
| 6 |
Naperville |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2014-01-19 |
|
| 331-305
| 7 |
Naperville |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2014-09-04 |
|
| 331-305
| 8 |
Naperville |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2014-09-04 |
|
| 331-305
| 9 |
Naperville |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2014-09-19 |
|
| 331-306
| A |
Downers Grove |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
|
|
| 331-306
| 0 |
Downers Grove |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2023-10-19 |
|
| 331-306
| 1 |
Downers Grove |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2023-10-19 |
|
| 331-306
| 2 |
Downers Grove |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2023-10-19 |
|
| 331-306
| 3 |
Downers Grove |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2023-10-19 |
|
| 331-306
| 4 |
Downers Grove |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2023-10-19 |
|
| 331-306
| 5 |
Downers Grove |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2023-10-19 |
|
| 331-306
| 6 |
Downers Grove |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2023-10-19 |
|
| 331-306
| 7 |
Downers Grove |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2023-10-19 |
|
| 331-306
| 8 |
Downers Grove |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2023-10-19 |
|
| 331-306
| 9 |
Downers Grove |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2023-10-19 |
|
| 331-307
| A |
Lombard |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 331-307
| 0 |
Lombard |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2015-08-29 |
|
| 331-307
| 1 |
Lombard |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2016-02-15 |
|
| 331-307
| 2 |
Lombard |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2016-02-15 |
|
| 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 |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2014-12-08 |
|
| 331-307
| 9 |
Lombard |
IL |
ELGNILOTGT5 |
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 |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2015-03-16 |
|
| 331-308
| 4 |
Bartlett |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2015-03-16 |
|
| 331-308
| 5 |
Bartlett |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2015-03-16 |
|
| 331-308
| 6 |
Bartlett |
IL |
ELGNILOTGT5 |
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 |
CHCGILWUKMD |
939H COMMIO, LLC |
358 |
|
|
|
| 331-309
| 0 |
Lemont |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2023-11-30 |
|
| 331-309
| 1 |
Lemont |
IL |
CHCGILWUKMD |
939H COMMIO, LLC |
358 |
|
2024-02-03 |
|
| 331-309
| 2 |
Lemont |
IL |
CHCGILWUKMD |
939H COMMIO, LLC |
358 |
|
2024-02-03 |
|
| 331-309
| 3 |
Lemont |
IL |
CHCGILWUKMD |
939H COMMIO, LLC |
358 |
|
2024-02-03 |
|
| 331-309
| 4 |
Lemont |
IL |
CHCGILWUKMD |
939H COMMIO, LLC |
358 |
|
2024-02-03 |
|
| 331-309
| 5 |
Lemont |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2024-03-08 |
|
| 331-309
| 6 |
Lemont |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2024-03-08 |
|
| 331-309
| 7 |
Lemont |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2024-03-08 |
|
| 331-309
| 8 |
Lemont |
IL |
CHCGILWUKMD |
939H COMMIO, LLC |
358 |
|
2024-02-03 |
|
| 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 |
|
2024-09-17 |
|
| 331-312
| 3 |
Aurora |
IL |
CHCGILCPXPX |
732J NUSO, LLC |
358 |
|
2024-01-08 |
|
| 331-312
| 4 |
Aurora |
IL |
CHCGILWUXMD |
490J DISH WIRELESS, LLC |
358 |
|
2024-06-24 |
|
| 331-312
| 5 |
Aurora |
IL |
CHCGILWUXMD |
490J DISH WIRELESS, LLC |
358 |
|
2024-08-22 |
|
| 331-312
| 6 |
Aurora |
IL |
WCHCILBFGT0 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2024-12-19 |
|
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Last updated: Sun, 26 Jan 2025 15:59:20 UTC
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