Local Calling Guide
Area code/prefix search
NPA: 331
[Rate centres in NPA 331]
[Dial plan for NPA 331]
NXX: 289
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 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 |
|
Last updated: Sun, 26 Jan 2025 15:59:20 UTC
Sponsored by: ISP Telecom
Like this site? We accept donations via PayPal.