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 |
| 423-398
| 2 |
Kingsport |
TN |
|
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
956 |
|
2026-03-05 |
|
| 423-398
| 3 |
Kingsport |
TN |
JHCYTNXCXPX |
525E ONVOY, LLC - TN |
956 |
|
2011-08-03 |
|
| 423-398
| 4 |
Kingsport |
TN |
|
124F BANDWIDTH.COM CLEC, LLC - TN |
956 |
|
2025-09-06 |
|
| 423-398
| 5 |
Kingsport |
TN |
BUVLTNAX0MD |
792K CHARTER IP ENABLED SERVICES, LLC |
956 |
|
2011-09-10 |
|
| 423-398
| 6 |
Kingsport |
TN |
JHCYTNXCXNX |
124F BANDWIDTH.COM CLEC, LLC - TN |
956 |
|
2015-06-14 |
|
| 423-398
| 7 |
Kingsport |
TN |
JHCYTNXCX1Y |
508J CENTURYLINK COMMUNICATIONS, LLC |
956 |
|
2014-04-19 |
|
| 423-398
| 8 |
Kingsport |
TN |
|
124F BANDWIDTH.COM CLEC, LLC - TN |
956 |
|
2026-03-01 |
|
| 423-398
| 9 |
Kingsport |
TN |
JHCYTNXCX2Y |
8645 SUNCOM DBA T-MOBILE USA |
956 |
|
2011-04-29 |
|
| 423-399
| A |
Sullivan Gardens |
TN |
|
124F BANDWIDTH.COM CLEC, LLC - TN |
956 |
|
2026-04-09 |
|
| 423-399
| 0 |
Sullivan Gardens |
TN |
|
124F BANDWIDTH.COM CLEC, LLC - TN |
956 |
|
2026-04-09 |
|
| 423-400
| A |
Chattanooga |
TN |
CHTGTNNSXCZ |
7473 POWERTEL ATLANTA LICENSES, INC. |
472 |
|
|
|
| 423-400
| 0 |
Chattanooga |
TN |
CHTGTNNSXCZ |
7473 POWERTEL ATLANTA LICENSES, INC. |
472 |
|
|
|
| 423-400
| 1 |
Chattanooga |
TN |
CHTGTNNSXCZ |
7473 POWERTEL ATLANTA LICENSES, INC. |
472 |
|
|
|
| 423-400
| 2 |
Chattanooga |
TN |
CHTGTNNSXCZ |
7473 POWERTEL ATLANTA LICENSES, INC. |
472 |
|
|
|
| 423-400
| 3 |
Chattanooga |
TN |
CHTGTNNSXCZ |
7473 POWERTEL ATLANTA LICENSES, INC. |
472 |
|
|
|
| 423-400
| 4 |
Chattanooga |
TN |
CHTGTNNSXCZ |
7473 POWERTEL ATLANTA LICENSES, INC. |
472 |
|
|
|
| 423-400
| 5 |
Chattanooga |
TN |
CHTGTNNSXCZ |
7473 POWERTEL ATLANTA LICENSES, INC. |
472 |
|
|
|
| 423-400
| 6 |
Chattanooga |
TN |
CHTGTNNSXCZ |
7473 POWERTEL ATLANTA LICENSES, INC. |
472 |
|
|
|
| 423-400
| 7 |
Chattanooga |
TN |
CHTGTNNSXCZ |
7473 POWERTEL ATLANTA LICENSES, INC. |
472 |
|
|
|
| 423-400
| 8 |
Chattanooga |
TN |
CHTGTNNSXCZ |
7473 POWERTEL ATLANTA LICENSES, INC. |
472 |
|
|
|
| 423-400
| 9 |
Chattanooga |
TN |
CHTGTNNSXCZ |
7473 POWERTEL ATLANTA LICENSES, INC. |
472 |
|
|
|
| 423-401
| A |
Soddy Daisy |
TN |
CHTGTNNS04Z |
829J PAETEC ITEL, LLC |
472 |
|
2024-12-05 |
|
| 423-401
| 0 |
Soddy Daisy |
TN |
KNVLTNMA56Z |
124F BANDWIDTH.COM CLEC, LLC - TN |
472 |
|
2015-05-30 |
|
| 423-401
| 1 |
Soddy Daisy |
TN |
CHTGTNNS04Z |
829J PAETEC ITEL, LLC |
472 |
|
|
|
| 423-401
| 2 |
Soddy Daisy |
TN |
CHTGTNNSXKY |
525E ONVOY, LLC - TN |
472 |
|
2016-03-28 |
|
| 423-401
| 3 |
Soddy Daisy |
TN |
CHTGTNNSXKY |
525E ONVOY, LLC - TN |
472 |
|
2008-06-21 |
|
| 423-401
| 4 |
Soddy Daisy |
TN |
CHTGTNGZ4MD |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
472 |
|
2024-12-25 |
|
| 423-401
| 5 |
Soddy Daisy |
TN |
|
792K CHARTER IP ENABLED SERVICES, LLC |
472 |
|
2025-12-26 |
|
| 423-401
| 6 |
Soddy Daisy |
TN |
CHTGTNNSXKY |
525E ONVOY, LLC - TN |
472 |
|
2020-03-28 |
|
| 423-401
| 7 |
Soddy Daisy |
TN |
CHTGTNNSXRZ |
318J COMCAST IP PHONE, LLC |
472 |
|
2012-03-09 |
|
| 423-401
| 8 |
Soddy Daisy |
TN |
CHTGTNNSXFY |
124F BANDWIDTH.COM CLEC, LLC - TN |
472 |
|
2011-01-10 |
|
| 423-401
| 9 |
Soddy Daisy |
TN |
CHTGTNNSXKY |
525E ONVOY, LLC - TN |
472 |
|
2016-03-28 |
|
| 423-402
| A |
Chattanooga |
TN |
CHTGTNNSXFY |
124F BANDWIDTH.COM CLEC, LLC - TN |
472 |
|
|
|
| 423-402
| 0 |
Chattanooga |
TN |
CHTGTNNSXFY |
124F BANDWIDTH.COM CLEC, LLC - TN |
472 |
|
2008-08-30 |
|
| 423-402
| 1 |
Chattanooga |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
2009-04-05 |
|
| 423-402
| 2 |
Chattanooga |
TN |
CHTGTNNS04Z |
829J PAETEC ITEL, LLC |
472 |
|
2009-04-21 |
|
| 423-402
| 3 |
Chattanooga |
TN |
CHTGTNNS04Z |
829J PAETEC ITEL, LLC |
472 |
|
2009-04-21 |
|
| 423-402
| 4 |
Chattanooga |
TN |
CHTGTNNS04Z |
829J PAETEC ITEL, LLC |
472 |
|
2009-04-21 |
|
| 423-402
| 5 |
Chattanooga |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
2009-07-02 |
|
| 423-402
| 6 |
Chattanooga |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
2009-07-02 |
|
| 423-402
| 7 |
Chattanooga |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
2009-07-02 |
|
| 423-402
| 8 |
Chattanooga |
TN |
CHTGTNNSX8X |
4806 LEVEL 3 COMMUNICATIONS, LLC - TN |
472 |
|
2010-01-08 |
|
| 423-402
| 9 |
Chattanooga |
TN |
CHTGTNNSXFY |
124F BANDWIDTH.COM CLEC, LLC - TN |
472 |
|
2010-01-29 |
|
| 423-403
| A |
South Pittsburg |
TN |
CHTGTNNSXFY |
124F BANDWIDTH.COM CLEC, LLC - TN |
472 |
|
|
|
| 423-403
| 0 |
South Pittsburg |
TN |
CHTGTNNSXFY |
124F BANDWIDTH.COM CLEC, LLC - TN |
472 |
|
2017-07-02 |
|
| 423-403
| 1 |
South Pittsburg |
TN |
CHTGTNNSXFY |
124F BANDWIDTH.COM CLEC, LLC - TN |
472 |
|
2017-07-02 |
|
| 423-403
| 2 |
South Pittsburg |
TN |
CHTGTNNSXFY |
124F BANDWIDTH.COM CLEC, LLC - TN |
472 |
|
2018-08-03 |
|
| 423-403
| 3 |
South Pittsburg |
TN |
CHTGTNNSXKY |
525E ONVOY, LLC - TN |
472 |
|
2018-03-08 |
|
| 423-403
| 4 |
South Pittsburg |
TN |
CHTGTNNSXFY |
124F BANDWIDTH.COM CLEC, LLC - TN |
472 |
|
2018-08-03 |
|
| 423-403
| 5 |
South Pittsburg |
TN |
CHTGTNNSXFY |
124F BANDWIDTH.COM CLEC, LLC - TN |
472 |
|
2018-09-21 |
|
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Last updated: Tue, 16 Jun 2026 00:09:45 UTC
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