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 |
| 423-287
| 7 |
Chattanooga |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
2025-03-07 |
|
| 423-287
| 8 |
Chattanooga |
TN |
CHTGTNNSDS1 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
472 |
|
|
|
| 423-287
| 9 |
Chattanooga |
TN |
CHTGTNNSDS1 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
472 |
|
|
|
| 423-288
| A |
Kingsport |
TN |
KGPTTNXCRS0 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
|
|
| 423-289
| A |
Morristown |
TN |
KNVLTNMA96Z |
7476 POWERTEL NASHVILLE LICENSES, INC. |
474 |
|
|
|
| 423-289
| 0 |
Morristown |
TN |
KNVLTNMAYAY |
829J PAETEC ITEL, LLC |
474 |
|
2004-03-27 |
|
| 423-289
| 1 |
Morristown |
TN |
KNVLTNMAYAY |
829J PAETEC ITEL, LLC |
474 |
|
2010-04-23 |
|
| 423-289
| 2 |
Morristown |
TN |
KNVLTNMA96Z |
7476 POWERTEL NASHVILLE LICENSES, INC. |
474 |
|
2011-03-13 |
|
| 423-289
| 3 |
Morristown |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
2008-06-10 |
|
| 423-289
| 4 |
Morristown |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
2008-06-16 |
|
| 423-289
| 5 |
Morristown |
TN |
|
145J TERRA NOVA TELECOM INC. |
474 |
|
2024-12-29 |
|
| 423-289
| 7 |
Morristown |
TN |
KNVNTNEC5MD |
145J TERRA NOVA TELECOM INC. |
474 |
|
2026-07-05 |
|
| 423-289
| 8 |
Morristown |
TN |
|
145J TERRA NOVA TELECOM INC. |
474 |
|
2025-10-04 |
|
| 423-289
| 9 |
Morristown |
TN |
|
124F BANDWIDTH.COM CLEC, LLC - TN |
474 |
|
2026-09-18 |
|
| 423-290
| A |
Chattanooga |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
|
|
| 423-290
| 0 |
Chattanooga |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
2004-04-02 |
|
| 423-290
| 1 |
Chattanooga |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
2004-04-02 |
|
| 423-290
| 2 |
Chattanooga |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
2004-06-01 |
|
| 423-290
| 3 |
Chattanooga |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
2004-06-01 |
|
| 423-290
| 4 |
Chattanooga |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
2004-06-01 |
|
| 423-290
| 5 |
Chattanooga |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
2004-07-14 |
|
| 423-290
| 6 |
Chattanooga |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
2004-07-14 |
|
| 423-290
| 7 |
Chattanooga |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
2004-07-14 |
|
| 423-290
| 8 |
Chattanooga |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
2004-08-05 |
|
| 423-290
| 9 |
Chattanooga |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
|
|
| 423-291
| A |
Mountain City |
TN |
JHCYTNXCX2Y |
8645 SUNCOM DBA T-MOBILE USA |
956 |
|
|
|
| 423-291
| 0 |
Mountain City |
TN |
JHCYTNXCXYX |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
956 |
|
2004-11-20 |
|
| 423-291
| 1 |
Mountain City |
TN |
JHCYTNXCX2Y |
8645 SUNCOM DBA T-MOBILE USA |
956 |
|
|
|
| 423-291
| 2 |
Mountain City |
TN |
JHCYTNXCX2Y |
8645 SUNCOM DBA T-MOBILE USA |
956 |
|
2006-01-03 |
|
| 423-291
| 3 |
Mountain City |
TN |
JHCYTNXCX2Y |
8645 SUNCOM DBA T-MOBILE USA |
956 |
|
2007-05-22 |
|
| 423-291
| 4 |
Mountain City |
TN |
JHCYTNXC9MD |
4806 LEVEL 3 COMMUNICATIONS, LLC - TN |
956 |
|
2006-01-30 |
|
| 423-291
| 5 |
Mountain City |
TN |
JHCYTNXCXYX |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
956 |
|
2007-03-22 |
|
| 423-291
| 6 |
Mountain City |
TN |
JHCYTNXCXNX |
124F BANDWIDTH.COM CLEC, LLC - TN |
956 |
|
2011-07-04 |
|
| 423-291
| 7 |
Mountain City |
TN |
JHCYTNXCXYX |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
956 |
|
2009-02-19 |
|
| 423-291
| 8 |
Mountain City |
TN |
JHCYTNXCXNX |
124F BANDWIDTH.COM CLEC, LLC - TN |
956 |
|
2010-06-19 |
|
| 423-291
| 9 |
Mountain City |
TN |
JHCYTNXCX2Y |
8645 SUNCOM DBA T-MOBILE USA |
956 |
|
|
|
| 423-292
| A |
Fall Branch |
TN |
JHCYTNXCX2Y |
8645 SUNCOM DBA T-MOBILE USA |
956 |
|
|
|
| 423-293
| A |
Rogersville |
TN |
KNVLTNMA96Z |
7476 POWERTEL NASHVILLE LICENSES, INC. |
474 |
|
|
|
| 423-293
| 0 |
Rogersville |
TN |
MRTWTN281MD |
792K CHARTER IP ENABLED SERVICES, LLC |
474 |
|
2005-05-23 |
|
| 423-293
| 1 |
Rogersville |
TN |
KNVLTNMA96Z |
7476 POWERTEL NASHVILLE LICENSES, INC. |
474 |
|
2005-01-28 |
|
| 423-293
| 2 |
Rogersville |
TN |
KNVLTNIIAMD |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
474 |
|
2006-08-05 |
|
| 423-293
| 3 |
Rogersville |
TN |
MRTWTN281MD |
792K CHARTER IP ENABLED SERVICES, LLC |
474 |
|
2008-02-20 |
|
| 423-293
| 4 |
Rogersville |
TN |
KNVLTNIIAMD |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
474 |
|
2007-02-03 |
|
| 423-293
| 5 |
Rogersville |
TN |
KNVLTNMA96Z |
7476 POWERTEL NASHVILLE LICENSES, INC. |
474 |
|
2007-03-11 |
|
| 423-293
| 6 |
Rogersville |
TN |
KNVLTNMA96Z |
5562 METROPCS, INC. |
474 |
|
2010-07-23 |
|
| 423-293
| 7 |
Rogersville |
TN |
KNVLTNMA54Z |
114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN |
474 |
|
2009-03-13 |
|
| 423-293
| 8 |
Rogersville |
TN |
KNVLTNIIAMD |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
474 |
|
2012-09-12 |
|
| 423-293
| 9 |
Rogersville |
TN |
KNVLTNMA96Z |
7476 POWERTEL NASHVILLE LICENSES, INC. |
474 |
|
|
|
| 423-294
| A |
Chattanooga |
TN |
CHTGTNNSX8X |
4806 LEVEL 3 COMMUNICATIONS, LLC - TN |
472 |
|
|
|
| 423-294
| 0 |
Chattanooga |
TN |
CHTGTNNSX8X |
4806 LEVEL 3 COMMUNICATIONS, LLC - TN |
472 |
|
|
|
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Last updated: Sat, 10 Oct 2026 15:24:20 UTC
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