Local Calling Guide
Area code/prefix search
Madisonville, TN
<< 1 2
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 423-545
| 1 |
|
073H TELNYX LLC |
474 |
|
2022-06-26 |
|
| 423-545
| 2 |
|
525E ONVOY, LLC - TN |
474 |
|
2022-09-29 |
|
| 423-545
| 3 |
|
516C AT&T CORP. |
474 |
|
2010-06-17 |
|
| 423-545
| 4 |
|
4806 LEVEL 3 COMMUNICATIONS, LLC - TN |
474 |
|
|
|
| 423-545
| 5 |
|
525E ONVOY, LLC - TN |
474 |
|
2021-10-25 |
|
| 423-545
| 6 |
|
525E ONVOY, LLC - TN |
474 |
|
2021-10-25 |
|
| 423-545
| 7 |
|
525E ONVOY, LLC - TN |
474 |
|
2022-09-29 |
|
| 423-545
| 8 |
|
792K CHARTER IP ENABLED SERVICES, LLC |
474 |
|
2012-05-31 |
|
| 423-545
| 9 |
|
792K CHARTER IP ENABLED SERVICES, LLC |
474 |
|
2005-11-27 |
|
| 423-807
| A |
KNVLTNJHGT0 |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
474 |
|
|
|
| 423-807
| 0 |
|
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
474 |
|
|
|
| 423-807
| 1 |
|
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
474 |
|
|
|
| 423-807
| 6 |
|
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
474 |
|
|
|
| 423-807
| 8 |
|
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
474 |
|
2025-03-09 |
|
| 423-807
| 9 |
|
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
474 |
|
2025-03-09 |
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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