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 |
| 331-288
| 6 |
Elburn |
IL |
|
939H COMMIO, LLC |
358 |
|
2024-02-03 |
|
| 331-288
| 7 |
Elburn |
IL |
|
224C ONVOY, LLC |
358 |
|
2024-03-03 |
|
| 331-288
| 8 |
Elburn |
IL |
CHCGILWUTMD |
516J TON80 COMMUNICATIONS, LLC |
358 |
|
2022-04-21 |
|
| 331-288
| 9 |
Elburn |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2023-08-21 |
|
| 331-289
| A |
Hinsdale |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 331-289
| 0 |
Hinsdale |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2023-01-18 |
|
| 331-289
| 1 |
Hinsdale |
IL |
CHCGILWBXSZ |
478J NUSO, LLC |
358 |
|
2023-12-14 |
|
| 331-289
| 2 |
Hinsdale |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2023-06-24 |
|
| 331-289
| 3 |
Hinsdale |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2023-06-24 |
|
| 331-289
| 4 |
Hinsdale |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2023-08-18 |
|
| 331-289
| 5 |
Hinsdale |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2023-08-18 |
|
| 331-289
| 6 |
Hinsdale |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2022-10-14 |
|
| 331-289
| 7 |
Hinsdale |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2022-10-14 |
|
| 331-289
| 8 |
Hinsdale |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2022-10-14 |
|
| 331-289
| 9 |
Hinsdale |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2022-10-14 |
|
| 331-290
| A |
Aurora |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
|
|
| 331-290
| 0 |
Aurora |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2022-10-29 |
|
| 331-290
| 1 |
Aurora |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2022-10-29 |
|
| 331-290
| 2 |
Aurora |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2022-10-29 |
|
| 331-290
| 3 |
Aurora |
IL |
WCHCILBFGT0 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2023-11-25 |
|
| 331-290
| 4 |
Aurora |
IL |
WCHCILBFGT0 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2022-10-30 |
|
| 331-290
| 5 |
Aurora |
IL |
WCHCILBFGT0 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2022-10-30 |
|
| 331-290
| 6 |
Aurora |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2022-12-22 |
|
| 331-290
| 7 |
Aurora |
IL |
WCHCILBFGT0 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2023-01-19 |
|
| 331-290
| 8 |
Aurora |
IL |
CHCGILCNHMD |
073H TELNYX LLC |
358 |
|
2022-11-03 |
|
| 331-290
| 9 |
Aurora |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2022-10-30 |
|
| 331-291
| A |
Downers Grove |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
|
|
| 331-291
| 0 |
Downers Grove |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2022-10-29 |
|
| 331-291
| 1 |
Downers Grove |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2022-10-29 |
|
| 331-291
| 2 |
Downers Grove |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2022-10-29 |
|
| 331-291
| 3 |
Downers Grove |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2023-07-12 |
|
| 331-291
| 4 |
Downers Grove |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2023-08-02 |
|
| 331-291
| 5 |
Downers Grove |
IL |
CHCGILNEXJX |
318J COMCAST IP PHONE, LLC |
358 |
|
2022-10-30 |
|
| 331-291
| 6 |
Downers Grove |
IL |
CHCGILNEXJX |
318J COMCAST IP PHONE, LLC |
358 |
|
2022-10-30 |
|
| 331-291
| 7 |
Downers Grove |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2023-08-02 |
|
| 331-291
| 8 |
Downers Grove |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2023-08-02 |
|
| 331-291
| 9 |
Downers Grove |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2023-09-17 |
|
| 331-292
| A |
Downers Grove |
IL |
CHCGILIDXDX |
624H ONVOY SPECTRUM, LLC |
358 |
|
|
|
| 331-292
| 0 |
Downers Grove |
IL |
CHCGILIDXDX |
624H ONVOY SPECTRUM, LLC |
358 |
|
2022-12-17 |
|
| 331-292
| 1 |
Downers Grove |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2022-12-17 |
|
| 331-292
| 2 |
Downers Grove |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2022-12-17 |
|
| 331-292
| 3 |
Downers Grove |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2022-12-17 |
|
| 331-292
| 4 |
Downers Grove |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2022-12-17 |
|
| 331-292
| 5 |
Downers Grove |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2022-12-17 |
|
| 331-292
| 6 |
Downers Grove |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2022-12-17 |
|
| 331-292
| 7 |
Downers Grove |
IL |
CHCGILIDXDX |
624H ONVOY SPECTRUM, LLC |
358 |
|
2022-12-17 |
|
| 331-292
| 8 |
Downers Grove |
IL |
CHCGILIDXDX |
624H ONVOY SPECTRUM, LLC |
358 |
|
2022-12-17 |
|
| 331-292
| 9 |
Downers Grove |
IL |
CHCGILIDXDX |
624H ONVOY SPECTRUM, LLC |
358 |
|
2022-12-17 |
|
| 331-293
| A |
Aurora |
IL |
WCHCILBFGT0 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
|
|
| 331-293
| 0 |
Aurora |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2023-03-09 |
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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