Local Calling Guide
Area code/prefix search
NPA: 423
[Rate centres in NPA 423]
[Dial plan for NPA 423]
NXX: 831
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 423-831
| A |
Greeneville |
TN |
JHCYTNXCXXY |
732J NUSO, LLC |
956 |
|
|
|
| 423-831
| 1 |
Greeneville |
TN |
JHCYTNXCXXY |
732J NUSO, LLC |
956 |
|
2023-04-23 |
|
| 423-831
| 2 |
Greeneville |
TN |
JHCYTNXCXPX |
525E ONVOY, LLC - TN |
956 |
|
2023-08-11 |
|
| 423-831
| 3 |
Greeneville |
TN |
JHCYTNXCXPX |
525E ONVOY, LLC - TN |
956 |
|
2023-08-11 |
|
| 423-831
| 4 |
Greeneville |
TN |
JHCYTNXCXPX |
525E ONVOY, LLC - TN |
956 |
|
2023-08-11 |
|
| 423-831
| 5 |
Greeneville |
TN |
JHCYTNXCXPX |
525E ONVOY, LLC - TN |
956 |
|
2023-08-11 |
|
| 423-831
| 6 |
Greeneville |
TN |
JHCYTNXCXPX |
525E ONVOY, LLC - TN |
956 |
|
2023-08-11 |
|
| 423-831
| 7 |
Greeneville |
TN |
|
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
956 |
|
2026-02-02 |
|
| 423-831
| 8 |
Greeneville |
TN |
JHCYTNXCXYX |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
956 |
|
2024-11-22 |
|
| 423-831
| 9 |
Greeneville |
TN |
JHCYTNXCXYX |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
956 |
|
2024-05-25 |
|
Last updated: Thu, 05 Feb 2026 23:41:55 UTC
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