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 |
| 423-456
| 5 |
La Follette |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
2021-03-19 |
|
| 423-456
| 6 |
La Follette |
TN |
KNVLTNMAY5X |
073H TELNYX LLC |
474 |
|
2017-03-30 |
|
| 423-456
| 7 |
La Follette |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
2021-03-04 |
|
| 423-456
| 8 |
La Follette |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
2022-04-11 |
|
| 423-456
| 9 |
La Follette |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
2020-12-21 |
|
| 423-457
| A |
Cleveland |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
|
|
| 423-457
| 0 |
Cleveland |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
2009-01-24 |
|
| 423-457
| 1 |
Cleveland |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
2009-01-24 |
|
| 423-457
| 2 |
Cleveland |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
2009-03-12 |
|
| 423-457
| 3 |
Cleveland |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
2009-04-05 |
|
| 423-457
| 4 |
Cleveland |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
2009-07-02 |
|
| 423-457
| 5 |
Cleveland |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
2009-08-31 |
|
| 423-457
| 6 |
Cleveland |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
2009-08-31 |
|
| 423-457
| 7 |
Cleveland |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
2009-09-06 |
|
| 423-457
| 8 |
Cleveland |
TN |
CHTGTNNSXCZ |
7473 POWERTEL ATLANTA LICENSES, INC. |
472 |
|
2009-03-27 |
|
| 423-457
| 9 |
Cleveland |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
2009-01-23 |
|
| 423-458
| A |
Cleveland |
TN |
CHTGTNGZ4MD |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
472 |
|
|
|
| 423-458
| 0 |
Cleveland |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
2013-08-23 |
|
| 423-458
| 1 |
Cleveland |
TN |
CLEVTNDL1MD |
792K CHARTER IP ENABLED SERVICES, LLC |
472 |
|
2012-08-27 |
|
| 423-458
| 2 |
Cleveland |
TN |
CHTGTNNSXFY |
124F BANDWIDTH.COM CLEC, LLC - TN |
472 |
|
2013-05-04 |
|
| 423-458
| 3 |
Cleveland |
TN |
CHTGTNNSXKY |
525E ONVOY, LLC - TN |
472 |
|
2013-07-19 |
|
| 423-458
| 4 |
Cleveland |
TN |
CLEVTNDL1MD |
792K CHARTER IP ENABLED SERVICES, LLC |
472 |
|
2013-09-20 |
|
| 423-458
| 5 |
Cleveland |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
2014-02-03 |
|
| 423-458
| 6 |
Cleveland |
TN |
CHTGTNNSX8X |
4806 LEVEL 3 COMMUNICATIONS, LLC - TN |
472 |
|
2014-03-09 |
|
| 423-458
| 7 |
Cleveland |
TN |
CHTGTNGZ4MD |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
472 |
|
2012-06-01 |
|
| 423-458
| 8 |
Cleveland |
TN |
CHTGTNGZ4MD |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
472 |
|
2012-06-01 |
|
| 423-458
| 9 |
Cleveland |
TN |
CHTGTNGZ4MD |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
472 |
|
2012-06-01 |
|
| 423-459
| A |
Chattanooga |
TN |
CHTGTNNSXEY |
114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN |
472 |
|
|
|
| 423-459
| 0 |
Chattanooga |
TN |
CHTGTNNSXMZ |
624H ONVOY SPECTRUM, LLC |
472 |
|
2022-11-12 |
|
| 423-459
| 1 |
Chattanooga |
TN |
CHTGTNNSXEY |
114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN |
472 |
|
2021-05-23 |
|
| 423-459
| 2 |
Chattanooga |
TN |
CHTGTNNSXEY |
114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN |
472 |
|
2018-03-17 |
|
| 423-459
| 3 |
Chattanooga |
TN |
CHTGTNNSXEY |
114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN |
472 |
|
2018-03-17 |
|
| 423-459
| 4 |
Chattanooga |
TN |
CHTGTNNSXEY |
114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN |
472 |
|
2018-03-17 |
|
| 423-459
| 5 |
Chattanooga |
TN |
CHTGTNNSXEY |
114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN |
472 |
|
2018-03-17 |
|
| 423-459
| 6 |
Chattanooga |
TN |
CHTGTNNSXEY |
114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN |
472 |
|
2018-03-17 |
|
| 423-459
| 7 |
Chattanooga |
TN |
CHTGTNNSXEY |
114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN |
472 |
|
2018-03-17 |
|
| 423-459
| 8 |
Chattanooga |
TN |
CHTGTNNSXEY |
114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN |
472 |
|
2018-03-17 |
|
| 423-459
| 9 |
Chattanooga |
TN |
CHTGTNNSXEY |
114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN |
472 |
|
2019-10-02 |
|
| 423-460
| A |
Mountain City |
TN |
JHCYTNXCXNX |
124F BANDWIDTH.COM CLEC, LLC - TN |
956 |
|
|
|
| 423-460
| 0 |
Mountain City |
TN |
JHCYTNXCXNX |
124F BANDWIDTH.COM CLEC, LLC - TN |
956 |
|
2010-10-30 |
|
| 423-460
| 1 |
Mountain City |
TN |
BUVLTNAX0MD |
792K CHARTER IP ENABLED SERVICES, LLC |
956 |
|
2011-09-01 |
|
| 423-460
| 2 |
Mountain City |
TN |
JHCYTNXCX2Y |
8645 SUNCOM DBA T-MOBILE USA |
956 |
|
2022-10-03 |
|
| 423-460
| 3 |
Mountain City |
TN |
BUVLTNAX0MD |
792K CHARTER IP ENABLED SERVICES, LLC |
956 |
|
2014-09-13 |
|
| 423-460
| 4 |
Mountain City |
TN |
JHCYTNXCXNX |
124F BANDWIDTH.COM CLEC, LLC - TN |
956 |
|
2014-10-10 |
|
| 423-460
| 5 |
Mountain City |
TN |
JHCYTNXCX3X |
7278 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN |
956 |
|
2016-04-01 |
|
| 423-460
| 6 |
Mountain City |
TN |
JHCYTNXCXNX |
124F BANDWIDTH.COM CLEC, LLC - TN |
956 |
|
2016-08-26 |
|
| 423-460
| 7 |
Mountain City |
TN |
JHCYTNXCXPY |
624H ONVOY SPECTRUM, LLC |
956 |
|
2024-03-05 |
|
| 423-460
| 8 |
Mountain City |
TN |
JHCYTNXCXPX |
525E ONVOY, LLC - TN |
956 |
|
2019-06-06 |
|
| 423-460
| 9 |
Mountain City |
TN |
JHCYTNXCXPX |
525E ONVOY, LLC - TN |
956 |
|
2019-06-06 |
|
| 423-461
| A |
Johnson City |
TN |
JHCYTNXCPS0 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
|
|
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Last updated: Sat, 10 Oct 2026 15:24:20 UTC
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