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 |
| 423-617
| 2 |
Athens |
TN |
KNVLTNMA96Z |
7476 POWERTEL NASHVILLE LICENSES, INC. |
474 |
|
2014-12-04 |
|
| 423-617
| 3 |
Athens |
TN |
KNVLTNMA96Z |
7476 POWERTEL NASHVILLE LICENSES, INC. |
474 |
|
2014-12-04 |
|
| 423-617
| 4 |
Athens |
TN |
KNVLTNMA96Z |
7476 POWERTEL NASHVILLE LICENSES, INC. |
474 |
|
2014-09-14 |
|
| 423-617
| 5 |
Athens |
TN |
KNVLTNMA96Z |
7476 POWERTEL NASHVILLE LICENSES, INC. |
474 |
|
2014-09-14 |
|
| 423-617
| 6 |
Athens |
TN |
KNVLTNMA96Z |
7476 POWERTEL NASHVILLE LICENSES, INC. |
474 |
|
2014-09-14 |
|
| 423-617
| 8 |
Athens |
TN |
KNVLTNMA96Z |
7476 POWERTEL NASHVILLE LICENSES, INC. |
474 |
|
2014-09-14 |
|
| 423-617
| 9 |
Athens |
TN |
KNVLTNMA96Z |
7476 POWERTEL NASHVILLE LICENSES, INC. |
474 |
|
2013-12-02 |
|
| 423-618
| A |
Chattanooga |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
|
|
| 423-619
| A |
Chattanooga |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
|
|
| 423-620
| A |
Greeneville |
TN |
JHCYTNXCXIY |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
956 |
|
|
|
| 423-620
| 0 |
Greeneville |
TN |
JHCYTNXCXIY |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
956 |
|
|
|
| 423-620
| 1 |
Greeneville |
TN |
JHCYTNXCXIY |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
956 |
|
|
|
| 423-620
| 2 |
Greeneville |
TN |
JHCYTNXCXIY |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
956 |
|
|
|
| 423-620
| 3 |
Greeneville |
TN |
JHCYTNXCXIY |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
956 |
|
2005-09-29 |
|
| 423-620
| 4 |
Greeneville |
TN |
JHCYTNXCXIY |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
956 |
|
2004-11-06 |
|
| 423-620
| 5 |
Greeneville |
TN |
JHCYTNXCXIY |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
956 |
|
2004-12-05 |
|
| 423-620
| 6 |
Greeneville |
TN |
JHCYTNXCXYX |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
956 |
|
2004-12-19 |
|
| 423-620
| 7 |
Greeneville |
TN |
JHCYTNXCXIY |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
956 |
|
2005-01-03 |
|
| 423-620
| 8 |
Greeneville |
TN |
JHCYTNXCXIY |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
956 |
|
2005-05-06 |
|
| 423-620
| 9 |
Greeneville |
TN |
JHCYTNXCXIY |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
956 |
|
|
|
| 423-621
| A |
Morristown |
TN |
KNVLTNIIAMD |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
474 |
|
|
|
| 423-621
| 0 |
Morristown |
TN |
KNVLTNIIAMD |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
474 |
|
2016-10-29 |
|
| 423-621
| 1 |
Morristown |
TN |
KNVLTNIIAMD |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
474 |
|
2017-01-07 |
|
| 423-621
| 2 |
Morristown |
TN |
KNVLTNMA56Z |
124F BANDWIDTH.COM CLEC, LLC - TN |
474 |
|
2019-05-11 |
|
| 423-621
| 3 |
Morristown |
TN |
KNVLTNMA56Z |
124F BANDWIDTH.COM CLEC, LLC - TN |
474 |
|
2019-05-11 |
|
| 423-621
| 4 |
Morristown |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
2018-03-14 |
|
| 423-621
| 5 |
Morristown |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
2019-05-24 |
|
| 423-621
| 6 |
Morristown |
TN |
KNVLTNMA56Z |
124F BANDWIDTH.COM CLEC, LLC - TN |
474 |
|
2019-06-16 |
|
| 423-621
| 7 |
Morristown |
TN |
KNVLTNMA96Z |
5562 METROPCS, INC. |
474 |
|
2021-05-07 |
|
| 423-621
| 8 |
Morristown |
TN |
KNVLTNIIAMD |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
474 |
|
2018-08-23 |
|
| 423-621
| 9 |
Morristown |
TN |
KNVLTNIIAMD |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
474 |
|
2018-08-23 |
|
| 423-622
| A |
Chattanooga |
TN |
CHTGTNDTDS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
472 |
|
|
|
| 423-623
| A |
Newport |
TN |
NWPTTNMTDS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
474 |
|
|
|
| 423-624
| A |
Chattanooga |
TN |
CHTGTNDTDS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
472 |
|
|
|
| 423-625
| A |
Newport |
TN |
NWPTTNMTDS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
474 |
|
|
|
| 423-626
| A |
New Tazewell |
TN |
NWTZTNXADS1 |
0557 BRIGHTSPEED OF EASTERN TENNESSEE, LLC |
474 |
|
|
|
| 423-627
| A |
Robbins |
TN |
RBNSTNXARS0 |
0565 HIGHLAND TEL. COOP, INC. |
474 |
|
|
|
| 423-627
| 0 |
Robbins |
TN |
RBNSTNXARS0 |
0565 HIGHLAND TEL. COOP, INC. |
474 |
|
|
|
| 423-627
| 1 |
Robbins |
TN |
RBNSTNXARS0 |
0565 HIGHLAND TEL. COOP, INC. |
474 |
|
|
|
| 423-627
| 2 |
Robbins |
TN |
RBNSTNXARS0 |
0565 HIGHLAND TEL. COOP, INC. |
474 |
|
|
|
| 423-627
| 3 |
Robbins |
TN |
RBNSTNXARS0 |
0565 HIGHLAND TEL. COOP, INC. |
474 |
|
|
|
| 423-627
| 4 |
Robbins |
TN |
RBNSTNXARS0 |
0565 HIGHLAND TEL. COOP, INC. |
474 |
|
|
|
| 423-627
| 5 |
Robbins |
TN |
RBNSTNXARS0 |
0565 HIGHLAND TEL. COOP, INC. |
474 |
|
|
|
| 423-627
| 6 |
Robbins |
TN |
RBNSTNXARS0 |
0565 HIGHLAND TEL. COOP, INC. |
474 |
|
|
|
| 423-627
| 7 |
Robbins |
TN |
KNVLTNMA31Z |
6278 UNITED STATES CELLULAR - TN |
474 |
|
|
|
| 423-627
| 8 |
Robbins |
TN |
RBNSTNXARS0 |
0565 HIGHLAND TEL. COOP, INC. |
474 |
|
|
|
| 423-627
| 9 |
Robbins |
TN |
RBNSTNXARS0 |
0565 HIGHLAND TEL. COOP, INC. |
474 |
|
|
|
| 423-628
| A |
Sunbright |
TN |
SNBRTNXARS0 |
0565 HIGHLAND TEL. COOP, INC. |
474 |
|
|
|
| 423-629
| A |
Chattanooga |
TN |
CHTGTNDTDS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
472 |
|
|
|
| 423-630
| A |
Johnson City |
TN |
JHCYTNXCNMD |
239E TELESCAN, INC. - TN |
956 |
|
|
|
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Last updated: Sat, 10 Oct 2026 15:24:20 UTC
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