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 |
| 423-585
| 7 |
Morristown |
TN |
KNVLTNIIAMD |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
474 |
|
|
|
| 423-585
| 8 |
Morristown |
TN |
MRTWTNMADS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
474 |
|
|
|
| 423-585
| 9 |
Morristown |
TN |
MRTWTNMADS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
474 |
|
|
|
| 423-586
| A |
Morristown |
TN |
MRTWTNMADS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
474 |
|
|
|
| 423-587
| A |
Morristown |
TN |
MRTWTNMADS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
474 |
|
|
|
| 423-588
| A |
Greeneville |
TN |
JHCYTNXCXIY |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
956 |
|
|
|
| 423-588
| 0 |
Greeneville |
TN |
JHCYTNXCXIY |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
956 |
|
2010-03-15 |
|
| 423-588
| 1 |
Greeneville |
TN |
JHCYTNXCXNX |
124F BANDWIDTH.COM CLEC, LLC - TN |
956 |
|
2011-07-04 |
|
| 423-588
| 2 |
Greeneville |
TN |
|
8645 SUNCOM DBA T-MOBILE USA |
956 |
|
2011-06-21 |
|
| 423-588
| 4 |
Greeneville |
TN |
JHCYTNXCAMD |
284E YMAX COMMUNICATIONS CORP. - TN |
956 |
|
2011-08-15 |
|
| 423-588
| 5 |
Greeneville |
TN |
JHCYTNXCXHY |
318J COMCAST IP PHONE, LLC |
956 |
|
2012-04-21 |
|
| 423-588
| 6 |
Greeneville |
TN |
JHCYTNXCXIY |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
956 |
|
2013-12-21 |
|
| 423-588
| 7 |
Greeneville |
TN |
JHCYTNXC9MD |
4806 LEVEL 3 COMMUNICATIONS, LLC - TN |
956 |
|
2012-10-20 |
|
| 423-588
| 8 |
Greeneville |
TN |
JHCYTNXCXIY |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
956 |
|
2014-03-01 |
|
| 423-588
| 9 |
Greeneville |
TN |
JHCYTNXCXIY |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
956 |
|
2010-03-12 |
|
| 423-589
| A |
Georgetown |
TN |
CHTGTNGZ4MD |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
472 |
|
|
|
| 423-589
| 0 |
Georgetown |
TN |
CHTGTNNSXKY |
525E ONVOY, LLC - TN |
472 |
|
2019-06-23 |
|
| 423-589
| 1 |
Georgetown |
TN |
CHTGTNNSXKY |
525E ONVOY, LLC - TN |
472 |
|
2019-06-23 |
|
| 423-589
| 2 |
Georgetown |
TN |
CHTGTNNSXJZ |
073H TELNYX LLC |
472 |
|
2021-01-23 |
|
| 423-589
| 3 |
Georgetown |
TN |
CHTGTNNSXKY |
525E ONVOY, LLC - TN |
472 |
|
2022-12-23 |
|
| 423-589
| 4 |
Georgetown |
TN |
CHTITNCDDS0 |
4645 ELECTRIC POWER BOARD OF CHATTANOOGA |
472 |
|
2020-02-24 |
|
| 423-589
| 5 |
Georgetown |
TN |
CHTGTNNSXKY |
525E ONVOY, LLC - TN |
472 |
|
2021-03-15 |
|
| 423-589
| 6 |
Georgetown |
TN |
CHTGTNNSXMZ |
624H ONVOY SPECTRUM, LLC |
472 |
|
2023-06-17 |
|
| 423-589
| 7 |
Georgetown |
TN |
CHTGTNNSXTZ |
506J TWILIO INTERNATIONAL, INC. |
472 |
|
2021-08-08 |
|
| 423-589
| 8 |
Georgetown |
TN |
CHTGTNNSXGZ |
204G TWIN LAKES COMMUNICATIONS, INC. - TN |
472 |
|
2020-11-23 |
|
| 423-589
| 9 |
Georgetown |
TN |
CHTGTNGZ4MD |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
472 |
|
2019-06-03 |
|
| 423-590
| A |
South Pittsburg |
TN |
CHTGTNNSXFY |
124F BANDWIDTH.COM CLEC, LLC - TN |
472 |
|
|
|
| 423-590
| 0 |
South Pittsburg |
TN |
CHTGTNNSXFY |
124F BANDWIDTH.COM CLEC, LLC - TN |
472 |
|
2019-07-05 |
|
| 423-590
| 1 |
South Pittsburg |
TN |
CHTGTNNSXFY |
124F BANDWIDTH.COM CLEC, LLC - TN |
472 |
|
2019-07-05 |
|
| 423-590
| 2 |
South Pittsburg |
TN |
CHTGTNNSXFY |
124F BANDWIDTH.COM CLEC, LLC - TN |
472 |
|
2019-07-05 |
|
| 423-590
| 3 |
South Pittsburg |
TN |
CHTGTNNSXFY |
124F BANDWIDTH.COM CLEC, LLC - TN |
472 |
|
2019-07-05 |
|
| 423-590
| 4 |
South Pittsburg |
TN |
CHTGTNNSXFY |
124F BANDWIDTH.COM CLEC, LLC - TN |
472 |
|
2019-07-05 |
|
| 423-590
| 5 |
South Pittsburg |
TN |
CHTGTNNSXFY |
124F BANDWIDTH.COM CLEC, LLC - TN |
472 |
|
2019-08-10 |
|
| 423-590
| 6 |
South Pittsburg |
TN |
CHTGTNNSXFY |
124F BANDWIDTH.COM CLEC, LLC - TN |
472 |
|
2019-08-10 |
|
| 423-590
| 7 |
South Pittsburg |
TN |
CHTGTNNSXFY |
124F BANDWIDTH.COM CLEC, LLC - TN |
472 |
|
2019-08-10 |
|
| 423-590
| 8 |
South Pittsburg |
TN |
CHTGTNNSXFY |
124F BANDWIDTH.COM CLEC, LLC - TN |
472 |
|
2019-08-10 |
|
| 423-590
| 9 |
South Pittsburg |
TN |
CHTGTNNSXFY |
124F BANDWIDTH.COM CLEC, LLC - TN |
472 |
|
2019-08-10 |
|
| 423-591
| A |
Chattanooga |
TN |
CHTGTNNSX8Y |
284E YMAX COMMUNICATIONS CORP. - TN |
472 |
|
|
|
| 423-591
| 0 |
Chattanooga |
TN |
CHTGTNNSX8Y |
284E YMAX COMMUNICATIONS CORP. - TN |
472 |
|
2008-03-02 |
|
| 423-591
| 1 |
Chattanooga |
TN |
CHTGTNNSX8Y |
284E YMAX COMMUNICATIONS CORP. - TN |
472 |
|
2008-02-24 |
|
| 423-591
| 2 |
Chattanooga |
TN |
CHTGTNNSX8Y |
284E YMAX COMMUNICATIONS CORP. - TN |
472 |
|
2008-06-21 |
|
| 423-591
| 3 |
Chattanooga |
TN |
CHTGTNNSX8Y |
284E YMAX COMMUNICATIONS CORP. - TN |
472 |
|
2008-06-21 |
|
| 423-591
| 4 |
Chattanooga |
TN |
CHTGTNNSX8Y |
284E YMAX COMMUNICATIONS CORP. - TN |
472 |
|
2008-06-21 |
|
| 423-591
| 5 |
Chattanooga |
TN |
CHTGTNNSX8Y |
284E YMAX COMMUNICATIONS CORP. - TN |
472 |
|
2008-06-21 |
|
| 423-591
| 6 |
Chattanooga |
TN |
CHTGTN12X8X |
7278 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN |
472 |
|
2008-09-09 |
|
| 423-591
| 7 |
Chattanooga |
TN |
CHTITNCDDS0 |
4645 ELECTRIC POWER BOARD OF CHATTANOOGA |
472 |
|
2010-04-12 |
|
| 423-591
| 8 |
Chattanooga |
TN |
CHTITNCDDS0 |
4645 ELECTRIC POWER BOARD OF CHATTANOOGA |
472 |
|
2008-07-02 |
|
| 423-591
| 9 |
Chattanooga |
TN |
CHTITNCDDS0 |
4645 ELECTRIC POWER BOARD OF CHATTANOOGA |
472 |
|
2008-07-02 |
|
| 423-592
| A |
La Follette |
TN |
KNVLTNMA31Z |
6278 UNITED STATES CELLULAR - TN |
474 |
|
|
|
| 423-592
| 0 |
La Follette |
TN |
KNVLTNMA31Z |
6278 UNITED STATES CELLULAR - TN |
474 |
|
|
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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