Local Calling Guide
Area code/prefix search
NPA: 331
[Rate centres in NPA 331]
[Dial plan for NPA 331]
NXX: 529
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 331-529
| A |
Naperville |
IL |
CHCGILWURMD |
965H FRACTEL, LLC |
358 |
|
|
|
| 331-529
| 0 |
Naperville |
IL |
CHCGILWUDS4 |
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2020-02-26 |
|
| 331-529
| 1 |
Naperville |
IL |
BFGVILASG00 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2020-03-11 |
|
| 331-529
| 2 |
Naperville |
IL |
BFGVILASG00 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2020-03-11 |
|
| 331-529
| 3 |
Naperville |
IL |
CHCGILWURMD |
965H FRACTEL, LLC |
358 |
|
2019-10-02 |
|
| 331-529
| 4 |
Naperville |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2022-01-10 |
|
| 331-529
| 5 |
Naperville |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2020-12-03 |
|
| 331-529
| 6 |
Naperville |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2020-12-03 |
|
| 331-529
| 7 |
Naperville |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2020-12-03 |
|
| 331-529
| 8 |
Naperville |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2020-12-03 |
|
| 331-529
| 9 |
Naperville |
IL |
CHCGILWURMD |
965H FRACTEL, LLC |
358 |
|
2019-10-02 |
|
Last updated: Sun, 26 Jan 2025 15:59:20 UTC
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