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 |
| 423-932
| 0 |
Etowah |
TN |
KNVLTNMAYBX |
204G TWIN LAKES COMMUNICATIONS, INC. - TN |
474 |
|
2022-12-30 |
|
| 423-932
| 1 |
Etowah |
TN |
MRTWTN281MD |
792K CHARTER IP ENABLED SERVICES, LLC |
474 |
|
2023-02-19 |
|
| 423-932
| 2 |
Etowah |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
2023-02-10 |
|
| 423-932
| 3 |
Etowah |
TN |
KNVNTNEC2MD |
939H COMMIO, LLC |
474 |
|
2024-02-08 |
|
| 423-932
| 4 |
Etowah |
TN |
KNVNTNEC2MD |
939H COMMIO, LLC |
474 |
|
2024-02-08 |
|
| 423-932
| 7 |
Etowah |
TN |
KNVNTNEC6MD |
516J TON80 COMMUNICATIONS, LLC |
474 |
|
2022-03-21 |
|
| 423-932
| 8 |
Etowah |
TN |
KNVLTNMAY8X |
624H ONVOY SPECTRUM, LLC |
474 |
|
2023-06-17 |
|
| 423-932
| 9 |
Etowah |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
2023-09-16 |
|
| 423-933
| A |
Chattanooga |
TN |
CHTGTNNS04Z |
829J PAETEC ITEL, LLC |
472 |
|
2024-12-05 |
|
| 423-933
| 0 |
Chattanooga |
TN |
CHTGTNGZ4MD |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
472 |
|
2020-03-07 |
|
| 423-933
| 1 |
Chattanooga |
TN |
CHTGTNNSX8X |
4806 LEVEL 3 COMMUNICATIONS, LLC - TN |
472 |
|
2005-04-01 |
|
| 423-933
| 2 |
Chattanooga |
TN |
CHTGTNNSX8X |
4806 LEVEL 3 COMMUNICATIONS, LLC - TN |
472 |
|
2005-04-01 |
|
| 423-933
| 3 |
Chattanooga |
TN |
CHTGTNNSX8X |
4806 LEVEL 3 COMMUNICATIONS, LLC - TN |
472 |
|
2005-04-01 |
|
| 423-933
| 4 |
Chattanooga |
TN |
CHTGTNNSXCZ |
7473 POWERTEL ATLANTA LICENSES, INC. |
472 |
|
2005-05-08 |
|
| 423-933
| 5 |
Chattanooga |
TN |
CHTGTNNSXCZ |
7473 POWERTEL ATLANTA LICENSES, INC. |
472 |
|
2005-03-20 |
|
| 423-933
| 6 |
Chattanooga |
TN |
CHTGTNNSXCZ |
7473 POWERTEL ATLANTA LICENSES, INC. |
472 |
|
2006-03-26 |
|
| 423-933
| 7 |
Chattanooga |
TN |
CHTGTNNSXCZ |
7473 POWERTEL ATLANTA LICENSES, INC. |
472 |
|
2006-04-26 |
|
| 423-933
| 8 |
Chattanooga |
TN |
CHTGTNNSXCZ |
7473 POWERTEL ATLANTA LICENSES, INC. |
472 |
|
2006-03-11 |
|
| 423-933
| 9 |
Chattanooga |
TN |
CHTGTNGZ4MD |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
472 |
|
2020-03-07 |
|
| 423-934
| A |
Surgoinsville |
TN |
KNVNTNEC6MD |
516J TON80 COMMUNICATIONS, LLC |
474 |
|
|
|
| 423-934
| 0 |
Surgoinsville |
TN |
KNVLTNMAY5X |
073H TELNYX LLC |
474 |
|
2021-05-14 |
|
| 423-934
| 1 |
Surgoinsville |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
2021-07-11 |
|
| 423-934
| 2 |
Surgoinsville |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
2021-10-25 |
|
| 423-934
| 4 |
Surgoinsville |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
2021-05-22 |
|
| 423-934
| 5 |
Surgoinsville |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
2021-05-22 |
|
| 423-934
| 6 |
Surgoinsville |
TN |
KNVNTNEC6MD |
516J TON80 COMMUNICATIONS, LLC |
474 |
|
2021-05-09 |
|
| 423-934
| 8 |
Surgoinsville |
TN |
KNVNTNEC2MD |
939H COMMIO, LLC |
474 |
|
2021-11-18 |
|
| 423-934
| 9 |
Surgoinsville |
TN |
KNVNTNEC2MD |
939H COMMIO, LLC |
474 |
|
2021-11-18 |
|
| 423-936
| A |
Sunbright |
TN |
KNVLTNMAYHX |
318J COMCAST IP PHONE, LLC |
474 |
|
2024-07-05 |
|
| 423-936
| 1 |
Sunbright |
TN |
KNVLTNMAYHX |
318J COMCAST IP PHONE, LLC |
474 |
|
2024-07-05 |
|
| 423-938
| A |
Johnson City |
TN |
JHCYTNXCGT1 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
|
|
| 423-939
| A |
Jasper |
TN |
CHTGTNNS04Z |
829J PAETEC ITEL, LLC |
472 |
|
2024-12-05 |
|
| 423-939
| 0 |
Jasper |
TN |
CLEVTNDL1MD |
792K CHARTER IP ENABLED SERVICES, LLC |
472 |
|
2006-09-11 |
|
| 423-939
| 1 |
Jasper |
TN |
CHTGTN12X2Y |
939H COMMIO, LLC |
472 |
|
2024-02-08 |
|
| 423-939
| 2 |
Jasper |
TN |
CHTGTNNS04Z |
829J PAETEC ITEL, LLC |
472 |
|
2008-08-24 |
|
| 423-939
| 3 |
Jasper |
TN |
CHTGTNNSXKY |
525E ONVOY, LLC - TN |
472 |
|
2021-03-15 |
|
| 423-939
| 4 |
Jasper |
TN |
CHTGTNMAXVX |
516C AT&T CORP. |
472 |
|
2010-03-19 |
|
| 423-939
| 5 |
Jasper |
TN |
CHTGTNNSXEY |
114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN |
472 |
|
2009-05-25 |
|
| 423-939
| 6 |
Jasper |
TN |
CHTITNCDDS0 |
4645 ELECTRIC POWER BOARD OF CHATTANOOGA |
472 |
|
2020-02-24 |
|
| 423-939
| 7 |
Jasper |
TN |
CHTGTNNS04Z |
829J PAETEC ITEL, LLC |
472 |
|
2013-07-15 |
|
| 423-939
| 9 |
Jasper |
TN |
CHTGTNNSXFY |
124F BANDWIDTH.COM CLEC, LLC - TN |
472 |
|
2008-11-28 |
|
| 423-940
| A |
Dayton |
TN |
CHTGTN12X2Y |
939H COMMIO, LLC |
472 |
|
|
|
| 423-940
| 0 |
Dayton |
TN |
CHTGTN12X2Y |
939H COMMIO, LLC |
472 |
|
2023-05-20 |
|
| 423-940
| 8 |
Dayton |
TN |
CHTGTNGZ4MD |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
472 |
|
2024-10-05 |
|
| 423-940
| 9 |
Dayton |
TN |
CHTGTNGZ4MD |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
472 |
|
2024-10-05 |
|
| 423-941
| A |
Deer Lodge |
TN |
KNVLTNMAYHX |
318J COMCAST IP PHONE, LLC |
474 |
|
2024-07-05 |
|
| 423-941
| 1 |
Deer Lodge |
TN |
KNVLTNMAYHX |
318J COMCAST IP PHONE, LLC |
474 |
|
2024-07-05 |
|
| 423-942
| A |
Jasper |
TN |
JSPRTNMTDS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
472 |
|
|
|
| 423-943
| A |
Johnson City |
TN |
JHCYTNXCX2Y |
8645 SUNCOM DBA T-MOBILE USA |
956 |
|
|
|
| 423-943
| 0 |
Johnson City |
TN |
JHCYTNXCX2Y |
8645 SUNCOM DBA T-MOBILE USA |
956 |
|
|
|
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Last updated: Sat, 10 Oct 2026 15:24:20 UTC
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