Local Calling Guide
Area code/prefix search
NPA: 464
[Rate centres in NPA 464]
[Dial plan for NPA 464]
NXX: 256
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 464-256
| A |
Chicago Heights |
IL |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2025-03-13 |
|
| 464-256
| 0 |
Chicago Heights |
IL |
|
224C ONVOY, LLC |
358 |
|
2025-03-14 |
|
| 464-256
| 1 |
Chicago Heights |
IL |
|
224C ONVOY, LLC |
358 |
|
2025-03-14 |
|
| 464-256
| 2 |
Chicago Heights |
IL |
|
490J DISH WIRELESS, LLC |
358 |
|
2025-09-07 |
|
| 464-256
| 3 |
Chicago Heights |
IL |
|
224C ONVOY, LLC |
358 |
|
2026-01-11 |
|
| 464-256
| 4 |
Chicago Heights |
IL |
|
6529 T-MOBILE USA, INC. |
358 |
|
2026-02-02 |
|
| 464-256
| 5 |
Chicago Heights |
IL |
|
490J DISH WIRELESS, LLC |
358 |
|
2025-12-05 |
|
| 464-256
| 6 |
Chicago Heights |
IL |
|
490J DISH WIRELESS, LLC |
358 |
|
2026-02-03 |
|
| 464-256
| 7 |
Chicago Heights |
IL |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2025-12-24 |
|
| 464-256
| 8 |
Chicago Heights |
IL |
|
224C ONVOY, LLC |
358 |
|
2025-03-14 |
|
| 464-256
| 9 |
Chicago Heights |
IL |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2025-03-13 |
|
Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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