Local Calling Guide
Area code/prefix search
NPA: 423
[Rate centres in NPA 423]
[Dial plan for NPA 423]
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| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 423-375
| 5 |
Benton |
TN |
CHTGTNMAXVX |
516C AT&T CORP. |
472 |
|
2010-04-17 |
|
| 423-375
| 6 |
Benton |
TN |
CHTGTNNSXGZ |
204G TWIN LAKES COMMUNICATIONS, INC. - TN |
472 |
|
2024-04-06 |
|
| 423-375
| 7 |
Benton |
TN |
|
824J OPENTACT INC. |
472 |
|
2026-09-16 |
|
| 423-375
| 8 |
Benton |
TN |
CHTGTNNSXKY |
525E ONVOY, LLC - TN |
472 |
|
2016-03-28 |
|
| 423-375
| 9 |
Benton |
TN |
CHTGTNNSXFY |
124F BANDWIDTH.COM CLEC, LLC - TN |
472 |
|
2014-11-22 |
|
| 423-376
| A |
Madisonville |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
2024-01-15 |
|
| 423-376
| 0 |
Madisonville |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
|
|
| 423-376
| 1 |
Madisonville |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
2019-01-11 |
|
| 423-376
| 2 |
Madisonville |
TN |
KNVLTNMA96Z |
5562 METROPCS, INC. |
474 |
|
2021-05-07 |
|
| 423-376
| 5 |
Madisonville |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
2023-09-09 |
|
| 423-376
| 6 |
Madisonville |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
2021-03-19 |
|
| 423-376
| 7 |
Madisonville |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
2021-03-19 |
|
| 423-376
| 8 |
Madisonville |
TN |
KNVNTNEC0MD |
073H TELNYX LLC |
474 |
|
2018-09-21 |
|
| 423-376
| 9 |
Madisonville |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
2019-01-11 |
|
| 423-377
| A |
La Follette |
TN |
KNVLTNMA31Z |
6278 UNITED STATES CELLULAR - TN |
474 |
|
|
|
| 423-377
| 0 |
La Follette |
TN |
KNVLTNMA56Z |
124F BANDWIDTH.COM CLEC, LLC - TN |
474 |
|
2016-08-22 |
|
| 423-377
| 1 |
La Follette |
TN |
KNVLTNMAYHX |
318J COMCAST IP PHONE, LLC |
474 |
|
2016-02-16 |
|
| 423-377
| 2 |
La Follette |
TN |
KNVLTNMA31Z |
6278 UNITED STATES CELLULAR - TN |
474 |
|
2025-01-22 |
|
| 423-377
| 3 |
La Follette |
TN |
KNVLTNIIAMD |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
474 |
|
2013-08-23 |
|
| 423-377
| 4 |
La Follette |
TN |
KNVLTNMA56Z |
124F BANDWIDTH.COM CLEC, LLC - TN |
474 |
|
2015-02-21 |
|
| 423-377
| 5 |
La Follette |
TN |
KNVLTNIIAMD |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
474 |
|
2010-02-05 |
|
| 423-377
| 6 |
La Follette |
TN |
KNVLTNMA56Z |
124F BANDWIDTH.COM CLEC, LLC - TN |
474 |
|
2010-06-19 |
|
| 423-377
| 7 |
La Follette |
TN |
KNVLTNMA31Z |
6278 UNITED STATES CELLULAR - TN |
474 |
|
|
|
| 423-377
| 8 |
La Follette |
TN |
KNVLTNIIAMD |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
474 |
|
2011-12-04 |
|
| 423-377
| 9 |
La Follette |
TN |
KNVLTNIIAMD |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
474 |
|
2012-11-26 |
|
| 423-378
| A |
Kingsport |
TN |
KGPTTNXADS0 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
|
|
| 423-379
| A |
Newport |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
|
|
| 423-379
| 0 |
Newport |
TN |
KNVLTNIIAMD |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
474 |
|
2019-10-07 |
|
| 423-379
| 1 |
Newport |
TN |
KNVLTNIIAMD |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
474 |
|
2022-12-16 |
|
| 423-379
| 2 |
Newport |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
2019-09-28 |
|
| 423-379
| 6 |
Newport |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
2023-09-09 |
|
| 423-379
| 7 |
Newport |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
2023-09-09 |
|
| 423-379
| 8 |
Newport |
TN |
KNVNTNEC2MD |
939H COMMIO, LLC |
474 |
|
2022-08-12 |
|
| 423-379
| 9 |
Newport |
TN |
|
124F BANDWIDTH.COM CLEC, LLC - TN |
474 |
|
2026-09-13 |
|
| 423-380
| A |
Cleveland |
TN |
CHTGTNNSXFY |
124F BANDWIDTH.COM CLEC, LLC - TN |
472 |
|
|
|
| 423-380
| 0 |
Cleveland |
TN |
CHTGTNNSXKY |
525E ONVOY, LLC - TN |
472 |
|
2018-01-20 |
|
| 423-380
| 1 |
Cleveland |
TN |
CHTGTNNSXKY |
525E ONVOY, LLC - TN |
472 |
|
2018-01-20 |
|
| 423-380
| 2 |
Cleveland |
TN |
CHTGTNNSXKY |
525E ONVOY, LLC - TN |
472 |
|
2021-04-11 |
|
| 423-380
| 3 |
Cleveland |
TN |
CHTGTNNSXKY |
525E ONVOY, LLC - TN |
472 |
|
2021-04-11 |
|
| 423-380
| 4 |
Cleveland |
TN |
CHTGTN12X2Y |
939H COMMIO, LLC |
472 |
|
2022-11-21 |
|
| 423-380
| 5 |
Cleveland |
TN |
CHTGTNNSXKY |
525E ONVOY, LLC - TN |
472 |
|
2021-07-11 |
|
| 423-380
| 6 |
Cleveland |
TN |
CHTGTNNSXEY |
114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN |
472 |
|
2019-12-10 |
|
| 423-380
| 7 |
Cleveland |
TN |
CHTGTNNSXKY |
525E ONVOY, LLC - TN |
472 |
|
2021-07-11 |
|
| 423-380
| 8 |
Cleveland |
TN |
CHTGTNNSXFY |
124F BANDWIDTH.COM CLEC, LLC - TN |
472 |
|
2010-02-25 |
|
| 423-380
| 9 |
Cleveland |
TN |
CHTGTNNSXFY |
124F BANDWIDTH.COM CLEC, LLC - TN |
472 |
|
2010-06-19 |
|
| 423-381
| A |
Athens |
TN |
KNVLTNMA96Z |
7476 POWERTEL NASHVILLE LICENSES, INC. |
474 |
|
|
|
| 423-381
| 0 |
Athens |
TN |
KNVLTNMA56Z |
124F BANDWIDTH.COM CLEC, LLC - TN |
474 |
|
2008-11-28 |
|
| 423-381
| 1 |
Athens |
TN |
KNVLTNMA96Z |
7476 POWERTEL NASHVILLE LICENSES, INC. |
474 |
|
|
|
| 423-381
| 2 |
Athens |
TN |
KNVLTNMA96Z |
7476 POWERTEL NASHVILLE LICENSES, INC. |
474 |
|
2007-07-20 |
|
| 423-381
| 3 |
Athens |
TN |
KNVLTNMAYAY |
829J PAETEC ITEL, LLC |
474 |
|
2010-07-15 |
|
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Last updated: Sat, 10 Oct 2026 15:24:20 UTC
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