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 |
| 423-909
| A |
South Pittsburg |
TN |
CHTGTNNSXMZ |
624H ONVOY SPECTRUM, LLC |
472 |
|
|
|
| 423-909
| 0 |
South Pittsburg |
TN |
CHTGTNNSXMZ |
624H ONVOY SPECTRUM, LLC |
472 |
|
2023-07-22 |
|
| 423-909
| 1 |
South Pittsburg |
TN |
CHTGTNNSXKY |
525E ONVOY, LLC - TN |
472 |
|
2023-09-18 |
|
| 423-909
| 9 |
South Pittsburg |
TN |
|
145J TERRA NOVA TELECOM INC. |
472 |
|
2025-11-22 |
|
| 423-910
| A |
Ooltewah |
TN |
CHTGTNNSXRZ |
318J COMCAST IP PHONE, LLC |
472 |
|
|
|
| 423-910
| 0 |
Ooltewah |
TN |
CHTGTNNSXRZ |
318J COMCAST IP PHONE, LLC |
472 |
|
2007-05-03 |
|
| 423-910
| 1 |
Ooltewah |
TN |
CHTGTNNSXRZ |
318J COMCAST IP PHONE, LLC |
472 |
|
2008-10-30 |
|
| 423-910
| 2 |
Ooltewah |
TN |
CHTGTNNSXKY |
525E ONVOY, LLC - TN |
472 |
|
2021-03-15 |
|
| 423-910
| 3 |
Ooltewah |
TN |
CHTGTNNSX8X |
4806 LEVEL 3 COMMUNICATIONS, LLC - TN |
472 |
|
2018-07-11 |
|
| 423-910
| 4 |
Ooltewah |
TN |
CHTGTNNSXKY |
525E ONVOY, LLC - TN |
472 |
|
2019-09-01 |
|
| 423-910
| 5 |
Ooltewah |
TN |
CHTGTNNSXRZ |
318J COMCAST IP PHONE, LLC |
472 |
|
2015-03-26 |
|
| 423-910
| 6 |
Ooltewah |
TN |
CHTGTNNSXEY |
114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN |
472 |
|
2014-06-06 |
|
| 423-910
| 7 |
Ooltewah |
TN |
|
145J TERRA NOVA TELECOM INC. |
472 |
|
2025-11-22 |
|
| 423-910
| 8 |
Ooltewah |
TN |
CHTGTNNSXGZ |
204G TWIN LAKES COMMUNICATIONS, INC. - TN |
472 |
|
2020-11-23 |
|
| 423-910
| 9 |
Ooltewah |
TN |
CHTGTNNSXFY |
124F BANDWIDTH.COM CLEC, LLC - TN |
472 |
|
2008-11-28 |
|
| 423-912
| A |
La Follette |
TN |
KNVLTNJHGT0 |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
474 |
|
|
|
| 423-912
| 0 |
La Follette |
TN |
KNVLTNJHGT0 |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
474 |
|
|
|
| 423-912
| 1 |
La Follette |
TN |
KNVLTNJHGT0 |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
474 |
|
|
|
| 423-912
| 2 |
La Follette |
TN |
KNVLTNJHGT0 |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
474 |
|
2004-04-03 |
|
| 423-912
| 3 |
La Follette |
TN |
KNVLTNJHGT0 |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
474 |
|
2004-11-05 |
|
| 423-912
| 4 |
La Follette |
TN |
KNVLTNJHGT0 |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
474 |
|
2004-11-05 |
|
| 423-912
| 5 |
La Follette |
TN |
KNVLTNJHGT0 |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
474 |
|
2005-08-12 |
|
| 423-912
| 6 |
La Follette |
TN |
KNVLTNJHGT0 |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
474 |
|
2005-08-12 |
|
| 423-912
| 7 |
La Follette |
TN |
KNVLTNJHGT0 |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
474 |
|
2006-04-17 |
|
| 423-912
| 8 |
La Follette |
TN |
KNVLTNJHGT0 |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
474 |
|
|
|
| 423-912
| 9 |
La Follette |
TN |
KNVLTNJHGT0 |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
474 |
|
2006-04-17 |
|
| 423-913
| A |
Jonesboro |
TN |
JNBOTNXARP0 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
|
|
| 423-913
| 0 |
Jonesboro |
TN |
JNBOTNXARP0 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
|
|
| 423-913
| 1 |
Jonesboro |
TN |
JNBOTNXARP0 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
|
|
| 423-913
| 2 |
Jonesboro |
TN |
JNBOTNXARP0 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
|
|
| 423-913
| 3 |
Jonesboro |
TN |
JNBOTNXARP0 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
|
|
| 423-913
| 4 |
Jonesboro |
TN |
JHCYTNXCXHY |
318J COMCAST IP PHONE, LLC |
956 |
|
2011-08-18 |
|
| 423-913
| 5 |
Jonesboro |
TN |
JNBOTNXARP0 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
|
|
| 423-913
| 7 |
Jonesboro |
TN |
JHCYTNXCYZZ |
829J PAETEC ITEL, LLC |
956 |
|
2014-08-30 |
|
| 423-913
| 8 |
Jonesboro |
TN |
JNBOTNXARP0 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
|
|
| 423-913
| 9 |
Jonesboro |
TN |
JHCYTNXCXPY |
624H ONVOY SPECTRUM, LLC |
956 |
|
2023-04-27 |
|
| 423-914
| A |
Bristol |
TN |
JHCYTNXCXIY |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
956 |
|
|
|
| 423-915
| A |
Johnson City |
TN |
JHCYTNXCPS0 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
|
|
| 423-915
| 0 |
Johnson City |
TN |
JHCYTNXCPS0 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
|
|
| 423-915
| 1 |
Johnson City |
TN |
JHCYTNXCPS0 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
|
|
| 423-915
| 2 |
Johnson City |
TN |
JHCYTNXCPS0 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
|
|
| 423-915
| 3 |
Johnson City |
TN |
JHCYTNXCPS0 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
|
|
| 423-915
| 4 |
Johnson City |
TN |
JHCYTNXCPS0 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
|
|
| 423-915
| 5 |
Johnson City |
TN |
JHCYTNXCPS0 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
|
|
| 423-915
| 6 |
Johnson City |
TN |
JHCYTNXCXIY |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
956 |
|
2009-04-05 |
|
| 423-915
| 7 |
Johnson City |
TN |
JHCYTNXCPS0 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
|
|
| 423-915
| 8 |
Johnson City |
TN |
JHCYTNXCPS0 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
|
|
| 423-915
| 9 |
Johnson City |
TN |
JHCYTNXCXIY |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
956 |
|
2012-11-03 |
|
| 423-917
| A |
Blountville |
TN |
BUVLTNXARS0 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
|
|
| 423-918
| A |
Oneida |
TN |
KNVLTNJHGT0 |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
474 |
|
2025-02-08 |
|
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Last updated: Sat, 10 Oct 2026 15:24:20 UTC
Sponsored by: ISP Telecom
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