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 46 47 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 331-327
| 6 |
Geneva |
IL |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2025-08-27 |
|
| 331-327
| 7 |
Geneva |
IL |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2025-12-14 |
|
| 331-327
| 8 |
Geneva |
IL |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2025-02-14 |
|
| 331-327
| 9 |
Geneva |
IL |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2025-02-14 |
|
| 331-328
| A |
Naperville |
IL |
BFGVILASG00 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2025-01-30 |
|
| 331-328
| 0 |
Naperville |
IL |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2025-05-12 |
|
| 331-328
| 1 |
Naperville |
IL |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2025-06-07 |
|
| 331-328
| 2 |
Naperville |
IL |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2025-06-11 |
|
| 331-328
| 3 |
Naperville |
IL |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2025-07-24 |
|
| 331-328
| 4 |
Naperville |
IL |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2025-07-24 |
|
| 331-328
| 5 |
Naperville |
IL |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2025-07-24 |
|
| 331-328
| 6 |
Naperville |
IL |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2025-07-11 |
|
| 331-328
| 7 |
Naperville |
IL |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2025-06-18 |
|
| 331-328
| 8 |
Naperville |
IL |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2025-04-12 |
|
| 331-328
| 9 |
Naperville |
IL |
BFGVILASG00 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2025-01-30 |
|
| 331-329
| A |
Aurora |
IL |
|
224C ONVOY, LLC |
358 |
|
2025-03-01 |
|
| 331-329
| 0 |
Aurora |
IL |
|
224C ONVOY, LLC |
358 |
|
2025-03-01 |
|
| 331-329
| 1 |
Aurora |
IL |
|
224C ONVOY, LLC |
358 |
|
2025-03-01 |
|
| 331-329
| 2 |
Aurora |
IL |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2025-03-03 |
|
| 331-329
| 3 |
Aurora |
IL |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2025-03-03 |
|
| 331-329
| 4 |
Aurora |
IL |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2025-03-03 |
|
| 331-329
| 5 |
Aurora |
IL |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2025-03-03 |
|
| 331-329
| 6 |
Aurora |
IL |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2025-03-03 |
|
| 331-329
| 7 |
Aurora |
IL |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2025-03-03 |
|
| 331-329
| 8 |
Aurora |
IL |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2025-03-03 |
|
| 331-329
| 9 |
Aurora |
IL |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2025-03-03 |
|
| 331-330
| A |
Naperville |
IL |
BFGVILASG00 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
|
|
| 331-330
| 0 |
Naperville |
IL |
BFGVILASG00 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2009-01-06 |
|
| 331-330
| 1 |
Naperville |
IL |
BFGVILASG00 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2009-01-06 |
|
| 331-330
| 2 |
Naperville |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2009-11-02 |
|
| 331-330
| 3 |
Naperville |
IL |
BFGVILASG00 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2010-02-11 |
|
| 331-330
| 4 |
Naperville |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2010-03-07 |
|
| 331-330
| 5 |
Naperville |
IL |
BFGVILASG00 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2010-03-25 |
|
| 331-330
| 6 |
Naperville |
IL |
BFGVILASG00 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2010-03-25 |
|
| 331-330
| 7 |
Naperville |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2010-04-18 |
|
| 331-330
| 8 |
Naperville |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2010-06-25 |
|
| 331-330
| 9 |
Naperville |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2010-10-03 |
|
| 331-331
| A |
Aurora |
IL |
|
224C ONVOY, LLC |
358 |
|
2025-10-17 |
|
| 331-331
| 0 |
Aurora |
IL |
|
224C ONVOY, LLC |
358 |
|
2025-10-17 |
|
| 331-331
| 1 |
Aurora |
IL |
|
224C ONVOY, LLC |
358 |
|
2025-10-17 |
|
| 331-331
| 2 |
Aurora |
IL |
|
224C ONVOY, LLC |
358 |
|
2025-10-17 |
|
| 331-331
| 3 |
Aurora |
IL |
|
224C ONVOY, LLC |
358 |
|
2025-10-17 |
|
| 331-331
| 4 |
Aurora |
IL |
|
224C ONVOY, LLC |
358 |
|
2025-10-17 |
|
| 331-331
| 5 |
Aurora |
IL |
|
224C ONVOY, LLC |
358 |
|
2025-10-17 |
|
| 331-331
| 6 |
Aurora |
IL |
|
224C ONVOY, LLC |
358 |
|
2025-10-17 |
|
| 331-331
| 7 |
Aurora |
IL |
|
224C ONVOY, LLC |
358 |
|
2025-10-17 |
|
| 331-331
| 8 |
Aurora |
IL |
|
224C ONVOY, LLC |
358 |
|
2025-10-17 |
|
| 331-331
| 9 |
Aurora |
IL |
|
224C ONVOY, LLC |
358 |
|
2025-10-17 |
|
| 331-332
| A |
Naperville |
IL |
BFGVILASG00 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
|
|
| 331-332
| 0 |
Naperville |
IL |
BFGVILASG00 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2011-11-09 |
|
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Last updated: Thu, 05 Feb 2026 23:41:55 UTC
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