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 |
| 423-805
| 8 |
Chattanooga |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
2014-03-20 |
|
| 423-805
| 9 |
Chattanooga |
TN |
CHTGTNNSX8X |
4806 LEVEL 3 COMMUNICATIONS, LLC - TN |
472 |
|
2013-10-10 |
|
| 423-806
| A |
Midway (Washington) |
TN |
JHCYTNXCXNX |
124F BANDWIDTH.COM CLEC, LLC - TN |
956 |
|
|
|
| 423-806
| 0 |
Midway (Washington) |
TN |
JHCYTNXCXNX |
124F BANDWIDTH.COM CLEC, LLC - TN |
956 |
|
2015-07-18 |
|
| 423-806
| 1 |
Midway (Washington) |
TN |
BUVLTNAX0MD |
792K CHARTER IP ENABLED SERVICES, LLC |
956 |
|
2020-09-18 |
|
| 423-806
| 2 |
Midway (Washington) |
TN |
JHCYTNXCXPX |
525E ONVOY, LLC - TN |
956 |
|
2018-06-09 |
|
| 423-806
| 3 |
Midway (Washington) |
TN |
JHCYTNXCX3X |
7278 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN |
956 |
|
2018-07-17 |
|
| 423-806
| 4 |
Midway (Washington) |
TN |
JHCYTNXCXAY |
073H TELNYX LLC |
956 |
|
2021-01-23 |
|
| 423-806
| 5 |
Midway (Washington) |
TN |
JHCYTNXCXHY |
318J COMCAST IP PHONE, LLC |
956 |
|
2015-09-21 |
|
| 423-806
| 6 |
Midway (Washington) |
TN |
JHCYTNXCXRX |
114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN |
956 |
|
2016-02-08 |
|
| 423-806
| 7 |
Midway (Washington) |
TN |
JHCYTNXCX8Y |
939H COMMIO, LLC |
956 |
|
2022-11-10 |
|
| 423-806
| 8 |
Midway (Washington) |
TN |
JHCYTNXCXPX |
525E ONVOY, LLC - TN |
956 |
|
2019-06-06 |
|
| 423-806
| 9 |
Midway (Washington) |
TN |
JHCYTNXCXPX |
525E ONVOY, LLC - TN |
956 |
|
2019-06-06 |
|
| 423-807
| A |
Madisonville |
TN |
KNVLTNJHGT0 |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
474 |
|
|
|
| 423-807
| 0 |
Madisonville |
TN |
KNVLTNJHGT0 |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
474 |
|
|
|
| 423-807
| 1 |
Madisonville |
TN |
KNVLTNJHGT0 |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
474 |
|
|
|
| 423-807
| 6 |
Madisonville |
TN |
KNVLTNJHGT0 |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
474 |
|
|
|
| 423-807
| 8 |
Madisonville |
TN |
KNVLTNJHGT0 |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
474 |
|
2025-03-09 |
|
| 423-807
| 9 |
Madisonville |
TN |
KNVLTNJHGT0 |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
474 |
|
2025-03-09 |
|
| 423-808
| A |
Tellico Plains |
TN |
KNVLTNMAYHX |
318J COMCAST IP PHONE, LLC |
474 |
|
|
|
| 423-808
| 0 |
Tellico Plains |
TN |
KNVLTNMAYHX |
318J COMCAST IP PHONE, LLC |
474 |
|
2007-11-05 |
|
| 423-808
| 1 |
Tellico Plains |
TN |
MRTWTN281MD |
792K CHARTER IP ENABLED SERVICES, LLC |
474 |
|
2023-07-05 |
|
| 423-808
| 2 |
Tellico Plains |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
2020-06-19 |
|
| 423-808
| 3 |
Tellico Plains |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
2020-06-19 |
|
| 423-808
| 5 |
Tellico Plains |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
2021-10-25 |
|
| 423-808
| 8 |
Tellico Plains |
TN |
|
145J TERRA NOVA TELECOM INC. |
474 |
|
2025-08-08 |
|
| 423-809
| A |
Pikeville |
TN |
CHTGTNNSX8X |
4806 LEVEL 3 COMMUNICATIONS, LLC - TN |
472 |
|
|
|
| 423-809
| 0 |
Pikeville |
TN |
CHTGTNGZ4MD |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
472 |
|
2023-08-19 |
|
| 423-809
| 1 |
Pikeville |
TN |
CHTGTNGZ4MD |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
472 |
|
2023-08-19 |
|
| 423-809
| 2 |
Pikeville |
TN |
CHTGTNGZ4MD |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
472 |
|
2023-08-19 |
|
| 423-809
| 3 |
Pikeville |
TN |
CHTGTNGZ4MD |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
472 |
|
2023-08-19 |
|
| 423-809
| 4 |
Pikeville |
TN |
CHTGTNGZ4MD |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
472 |
|
2023-08-19 |
|
| 423-809
| 5 |
Pikeville |
TN |
CHTGTNGZ4MD |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
472 |
|
2023-08-19 |
|
| 423-809
| 6 |
Pikeville |
TN |
CHTGTNGZ4MD |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
472 |
|
2023-08-19 |
|
| 423-809
| 7 |
Pikeville |
TN |
CHTGTNGZ4MD |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
472 |
|
2023-08-19 |
|
| 423-809
| 8 |
Pikeville |
TN |
CHTGTNNSX8X |
4806 LEVEL 3 COMMUNICATIONS, LLC - TN |
472 |
|
2023-08-08 |
|
| 423-809
| 9 |
Pikeville |
TN |
CHTGTNGZ4MD |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
472 |
|
2023-08-19 |
|
| 423-810
| A |
Charleston |
TN |
CHTGTNNSXEY |
114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN |
472 |
|
|
|
| 423-810
| 0 |
Charleston |
TN |
CHTGTNNSXKY |
525E ONVOY, LLC - TN |
472 |
|
2016-04-06 |
|
| 423-810
| 1 |
Charleston |
TN |
CHTGTNNSXKY |
525E ONVOY, LLC - TN |
472 |
|
2016-04-06 |
|
| 423-810
| 2 |
Charleston |
TN |
CHTITNCDDS0 |
4645 ELECTRIC POWER BOARD OF CHATTANOOGA |
472 |
|
2020-02-24 |
|
| 423-810
| 3 |
Charleston |
TN |
CHTGTNNSXGZ |
204G TWIN LAKES COMMUNICATIONS, INC. - TN |
472 |
|
2022-12-30 |
|
| 423-810
| 4 |
Charleston |
TN |
CHTGTNNSXJZ |
073H TELNYX LLC |
472 |
|
2023-01-27 |
|
| 423-810
| 5 |
Charleston |
TN |
CHTGTNNSXKY |
525E ONVOY, LLC - TN |
472 |
|
2023-08-11 |
|
| 423-810
| 6 |
Charleston |
TN |
CHTGTNNSXEY |
114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN |
472 |
|
2015-10-01 |
|
| 423-810
| 7 |
Charleston |
TN |
CHTGTNNSXKY |
525E ONVOY, LLC - TN |
472 |
|
2023-08-11 |
|
| 423-810
| 8 |
Charleston |
TN |
CHTGTNNSXKY |
525E ONVOY, LLC - TN |
472 |
|
2019-04-26 |
|
| 423-810
| 9 |
Charleston |
TN |
CHTGTNNSXKY |
525E ONVOY, LLC - TN |
472 |
|
2019-04-26 |
|
| 423-812
| A |
Greeneville |
TN |
JHCYTNXCXNX |
124F BANDWIDTH.COM CLEC, LLC - TN |
956 |
|
|
|
| 423-812
| 0 |
Greeneville |
TN |
JHCYTNXCXNX |
124F BANDWIDTH.COM CLEC, LLC - TN |
956 |
|
2016-10-22 |
|
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Last updated: Sat, 10 Oct 2026 15:24:20 UTC
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