Local Calling Guide
Area code/prefix search
NPA: 423
[Rate centres in NPA 423]
[Dial plan for NPA 423]
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 423-200
| A |
Morristown |
TN |
KNVLTNMANMD |
4806 LEVEL 3 COMMUNICATIONS, LLC - TN |
474 |
|
|
|
| 423-200
| 0 |
Morristown |
TN |
KNVLTNMA48Z |
7476 POWERTEL NASHVILLE LICENSES, INC. |
474 |
|
2004-12-13 |
|
| 423-200
| 1 |
Morristown |
TN |
KNVLTNMA48Z |
7476 POWERTEL NASHVILLE LICENSES, INC. |
474 |
|
2015-11-19 |
|
| 423-200
| 2 |
Morristown |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
2006-04-20 |
|
| 423-200
| 3 |
Morristown |
TN |
KNVLTNIIDS0 |
7278 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN |
474 |
|
2005-01-29 |
|
| 423-200
| 4 |
Morristown |
TN |
KNVLTNMANMD |
4806 LEVEL 3 COMMUNICATIONS, LLC - TN |
474 |
|
|
|
| 423-200
| 5 |
Morristown |
TN |
KNVLTN02DMD |
8660 WINDSTREAM NUVOX, INC. |
474 |
|
2004-02-04 |
|
| 423-200
| 6 |
Morristown |
TN |
KNVLTNJHGT0 |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
474 |
|
2006-02-18 |
|
| 423-200
| 7 |
Morristown |
TN |
KNVLTNJHGT0 |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
474 |
|
2006-02-18 |
|
| 423-200
| 8 |
Morristown |
TN |
KNVLTNJHGT0 |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
474 |
|
2006-02-18 |
|
| 423-200
| 9 |
Morristown |
TN |
KNVLTNJHGT0 |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
474 |
|
2006-02-18 |
|
| 423-201
| A |
La Follette |
TN |
KNVLTNMANMD |
4806 LEVEL 3 COMMUNICATIONS, LLC - TN |
474 |
|
|
|
| 423-201
| 0 |
La Follette |
TN |
KNVLTNJHGT0 |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
474 |
|
2006-09-17 |
|
| 423-201
| 1 |
La Follette |
TN |
KNVLTNJHGT0 |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
474 |
|
2007-03-12 |
|
| 423-201
| 2 |
La Follette |
TN |
KNVLTNIIAMD |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
474 |
|
2010-03-12 |
|
| 423-201
| 3 |
La Follette |
TN |
KNVLTNIIAMD |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
474 |
|
2009-04-21 |
|
| 423-201
| 4 |
La Follette |
TN |
KNVLTNMANMD |
4806 LEVEL 3 COMMUNICATIONS, LLC - TN |
474 |
|
|
|
| 423-201
| 5 |
La Follette |
TN |
KNVLTNIIAMD |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
474 |
|
2009-08-02 |
|
| 423-201
| 6 |
La Follette |
TN |
KNVLTNMA31Z |
6278 UNITED STATES CELLULAR - TN |
474 |
|
2020-09-15 |
|
| 423-201
| 7 |
La Follette |
TN |
KNVLTNIIAMD |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
474 |
|
2009-10-04 |
|
| 423-201
| 8 |
La Follette |
TN |
KNVLTNIIAMD |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
474 |
|
2009-12-31 |
|
| 423-201
| 9 |
La Follette |
TN |
KNVLTNMAYHX |
318J COMCAST IP PHONE, LLC |
474 |
|
2010-05-31 |
|
| 423-202
| A |
Johnson City |
TN |
JHCYTNXCX3X |
7278 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN |
956 |
|
|
|
| 423-202
| 0 |
Johnson City |
TN |
JHCYTNXCXIY |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
956 |
|
2004-10-08 |
|
| 423-202
| 1 |
Johnson City |
TN |
JHCYTNXCXIY |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
956 |
|
2004-10-08 |
|
| 423-202
| 2 |
Johnson City |
TN |
JHCYTNXCXIY |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
956 |
|
2004-10-08 |
|
| 423-202
| 3 |
Johnson City |
TN |
|
792K CHARTER IP ENABLED SERVICES, LLC |
956 |
|
2005-01-23 |
|
| 423-202
| 4 |
Johnson City |
TN |
JHCYTNXCXIY |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
956 |
|
2005-04-07 |
|
| 423-202
| 5 |
Johnson City |
TN |
JHCYTNXCXIY |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
956 |
|
2005-04-07 |
|
| 423-202
| 6 |
Johnson City |
TN |
JHCYTNXCXIY |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
956 |
|
2005-08-05 |
|
| 423-202
| 7 |
Johnson City |
TN |
|
792K CHARTER IP ENABLED SERVICES, LLC |
956 |
|
2006-04-19 |
|
| 423-202
| 8 |
Johnson City |
TN |
JHCYTNXCXIY |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
956 |
|
2006-02-06 |
|
| 423-202
| 9 |
Johnson City |
TN |
JHCYTNXCX3X |
7278 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN |
956 |
|
2004-02-09 |
|
| 423-203
| A |
Chattanooga |
TN |
CHTGTN1212Z |
490J DISH WIRELESS, LLC |
472 |
|
|
|
| 423-203
| 0 |
Chattanooga |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
2022-12-29 |
|
| 423-203
| 1 |
Chattanooga |
TN |
CHTGTNNSXFY |
124F BANDWIDTH.COM CLEC, LLC - TN |
472 |
|
2023-01-07 |
|
| 423-203
| 2 |
Chattanooga |
TN |
CHTGTNNSXKY |
525E ONVOY, LLC - TN |
472 |
|
2023-02-26 |
|
| 423-203
| 3 |
Chattanooga |
TN |
|
490J DISH WIRELESS, LLC |
472 |
|
2024-08-08 |
|
| 423-203
| 4 |
Chattanooga |
TN |
|
490J DISH WIRELESS, LLC |
472 |
|
2024-07-29 |
|
| 423-203
| 5 |
Chattanooga |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
2023-10-27 |
|
| 423-203
| 6 |
Chattanooga |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
2023-10-27 |
|
| 423-203
| 7 |
Chattanooga |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
2023-08-18 |
|
| 423-203
| 8 |
Chattanooga |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
2023-08-18 |
|
| 423-203
| 9 |
Chattanooga |
TN |
CHTGTN1212Z |
490J DISH WIRELESS, LLC |
472 |
|
2022-04-08 |
|
| 423-205
| A |
Etowah |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
2024-01-15 |
|
| 423-205
| 0 |
Etowah |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
2016-05-06 |
|
| 423-205
| 1 |
Etowah |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
2016-05-06 |
|
| 423-205
| 2 |
Etowah |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
2016-06-09 |
|
| 423-205
| 3 |
Etowah |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
2016-06-09 |
|
| 423-205
| 4 |
Etowah |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
2018-06-11 |
|
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Last updated: Sun, 18 Aug 2024 23:40:19 UTC
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