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 |
| 331-292
| 3 |
Downers Grove |
IL |
|
224C ONVOY, LLC |
358 |
|
2022-12-17 |
|
| 331-292
| 4 |
Downers Grove |
IL |
|
224C ONVOY, LLC |
358 |
|
2022-12-17 |
|
| 331-292
| 5 |
Downers Grove |
IL |
|
224C ONVOY, LLC |
358 |
|
2022-12-17 |
|
| 331-292
| 6 |
Downers Grove |
IL |
|
224C ONVOY, LLC |
358 |
|
2022-12-17 |
|
| 331-292
| 7 |
Downers Grove |
IL |
|
624H ONVOY SPECTRUM, LLC |
358 |
|
2022-12-17 |
|
| 331-292
| 8 |
Downers Grove |
IL |
|
624H ONVOY SPECTRUM, LLC |
358 |
|
2022-12-17 |
|
| 331-292
| 9 |
Downers Grove |
IL |
|
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 |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2023-03-09 |
|
| 331-293
| 1 |
Aurora |
IL |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2023-03-09 |
|
| 331-293
| 2 |
Aurora |
IL |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2023-03-09 |
|
| 331-293
| 3 |
Aurora |
IL |
|
490J DISH WIRELESS, LLC |
358 |
|
2023-05-25 |
|
| 331-293
| 4 |
Aurora |
IL |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2024-07-10 |
|
| 331-293
| 5 |
Aurora |
IL |
|
224C ONVOY, LLC |
358 |
|
2023-07-03 |
|
| 331-293
| 6 |
Aurora |
IL |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2023-06-15 |
|
| 331-293
| 7 |
Aurora |
IL |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2023-06-15 |
|
| 331-293
| 8 |
Aurora |
IL |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2023-06-15 |
|
| 331-293
| 9 |
Aurora |
IL |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2023-02-24 |
|
| 331-294
| A |
Naperville |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
|
|
| 331-294
| 0 |
Naperville |
IL |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2023-03-18 |
|
| 331-294
| 1 |
Naperville |
IL |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2023-03-18 |
|
| 331-294
| 2 |
Naperville |
IL |
|
624H ONVOY SPECTRUM, LLC |
358 |
|
2023-12-18 |
|
| 331-294
| 3 |
Naperville |
IL |
|
624H ONVOY SPECTRUM, LLC |
358 |
|
2023-12-18 |
|
| 331-294
| 4 |
Naperville |
IL |
|
624H ONVOY SPECTRUM, LLC |
358 |
|
2023-12-18 |
|
| 331-294
| 5 |
Naperville |
IL |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2023-03-18 |
|
| 331-294
| 6 |
Naperville |
IL |
|
224C ONVOY, LLC |
358 |
|
2023-07-22 |
|
| 331-294
| 7 |
Naperville |
IL |
|
224C ONVOY, LLC |
358 |
|
2023-07-03 |
|
| 331-294
| 8 |
Naperville |
IL |
|
224C ONVOY, LLC |
358 |
|
2023-03-19 |
|
| 331-294
| 9 |
Naperville |
IL |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2023-05-19 |
|
| 331-295
| A |
Aurora |
IL |
CHCGILCPXPX |
732J NUSO, LLC |
358 |
|
|
|
| 331-295
| 0 |
Aurora |
IL |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2023-08-21 |
|
| 331-295
| 1 |
Aurora |
IL |
|
732J NUSO, LLC |
358 |
|
2023-03-31 |
|
| 331-295
| 2 |
Aurora |
IL |
|
224C ONVOY, LLC |
358 |
|
2023-11-12 |
|
| 331-295
| 3 |
Aurora |
IL |
|
224C ONVOY, LLC |
358 |
|
2023-11-12 |
|
| 331-295
| 4 |
Aurora |
IL |
|
624H ONVOY SPECTRUM, LLC |
358 |
|
2023-11-17 |
|
| 331-295
| 5 |
Aurora |
IL |
|
624H ONVOY SPECTRUM, LLC |
358 |
|
2023-11-17 |
|
| 331-295
| 6 |
Aurora |
IL |
|
624H ONVOY SPECTRUM, LLC |
358 |
|
2023-11-17 |
|
| 331-295
| 7 |
Aurora |
IL |
|
624H ONVOY SPECTRUM, LLC |
358 |
|
2023-11-17 |
|
| 331-295
| 8 |
Aurora |
IL |
|
224C ONVOY, LLC |
358 |
|
2023-09-07 |
|
| 331-295
| 9 |
Aurora |
IL |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2023-09-01 |
|
| 331-296
| A |
Wheaton |
IL |
CHCGILWUXMD |
490J DISH WIRELESS, LLC |
358 |
|
|
|
| 331-296
| 0 |
Wheaton |
IL |
|
224C ONVOY, LLC |
358 |
|
2023-09-22 |
|
| 331-296
| 1 |
Wheaton |
IL |
|
224C ONVOY, LLC |
358 |
|
2024-03-08 |
|
| 331-296
| 2 |
Wheaton |
IL |
|
224C ONVOY, LLC |
358 |
|
2023-06-19 |
|
| 331-296
| 3 |
Wheaton |
IL |
|
224C ONVOY, LLC |
358 |
|
2024-03-08 |
|
| 331-296
| 4 |
Wheaton |
IL |
|
224C ONVOY, LLC |
358 |
|
2024-03-08 |
|
| 331-296
| 5 |
Wheaton |
IL |
|
224C ONVOY, LLC |
358 |
|
2024-05-24 |
|
| 331-296
| 6 |
Wheaton |
IL |
|
224C ONVOY, LLC |
358 |
|
2023-08-06 |
|
| 331-296
| 7 |
Wheaton |
IL |
|
224C ONVOY, LLC |
358 |
|
2023-08-06 |
|
| 331-296
| 8 |
Wheaton |
IL |
|
224C ONVOY, LLC |
358 |
|
2023-08-06 |
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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