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 |
423-516
| 4 |
Sullivan Gardens |
TN |
SLGRTNXARS0 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
2012-05-26 |
|
423-516
| 5 |
Sullivan Gardens |
TN |
JHCYTNXCX3X |
7278 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN |
956 |
|
2013-06-01 |
|
423-516
| 6 |
Sullivan Gardens |
TN |
JHCYTNXCXRX |
114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN |
956 |
|
2016-09-16 |
|
423-516
| 7 |
Sullivan Gardens |
TN |
JHCYTNXC9MD |
4806 LEVEL 3 COMMUNICATIONS, LLC - TN |
956 |
|
2014-04-21 |
|
423-516
| 8 |
Sullivan Gardens |
TN |
JHCYTNXCXPX |
525E ONVOY, LLC - TN |
956 |
|
2018-06-09 |
|
423-516
| 9 |
Sullivan Gardens |
TN |
JHCYTNXCXNX |
124F BANDWIDTH.COM CLEC, LLC - TN |
956 |
|
2018-08-05 |
|
423-517
| A |
Chattanooga |
TN |
CHTGTNSMRS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
472 |
|
|
|
423-518
| A |
Elizabethton |
TN |
JHCYTNXCX2Y |
8645 SUNCOM DBA T-MOBILE USA |
956 |
|
|
|
423-518
| 0 |
Elizabethton |
TN |
JHCYTNXCXNX |
124F BANDWIDTH.COM CLEC, LLC - TN |
956 |
|
2015-05-08 |
|
423-518
| 1 |
Elizabethton |
TN |
BUVLTNAXPS1 |
704C CHARTER FIBERLINK-TENNESSEE, LLC - TN |
956 |
|
2013-04-04 |
|
423-518
| 2 |
Elizabethton |
TN |
JHCYTNXCXPX |
525E ONVOY, LLC - TN |
956 |
|
2022-09-29 |
|
423-518
| 3 |
Elizabethton |
TN |
JHCYTNXCXNX |
124F BANDWIDTH.COM CLEC, LLC - TN |
956 |
|
2016-08-22 |
|
423-518
| 4 |
Elizabethton |
TN |
BUVLTNAXPS1 |
704C CHARTER FIBERLINK-TENNESSEE, LLC - TN |
956 |
|
2018-07-08 |
|
423-518
| 5 |
Elizabethton |
TN |
JHCYTNXCXPX |
525E ONVOY, LLC - TN |
956 |
|
2022-09-29 |
|
423-518
| 6 |
Elizabethton |
TN |
JHCYTNXCXRX |
114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN |
956 |
|
2016-09-05 |
|
423-518
| 9 |
Elizabethton |
TN |
JHCYTNXCX2Y |
8645 SUNCOM DBA T-MOBILE USA |
956 |
|
2012-07-23 |
|
423-519
| A |
Tellico Plains |
TN |
KNVLTNMA31Z |
6278 UNITED STATES CELLULAR - TN |
474 |
|
|
|
423-520
| A |
Madisonville |
TN |
KNVLTN02DMD |
8356 US LEC OF TENNESSEE, INC. |
474 |
|
|
|
423-520
| 0 |
Madisonville |
TN |
KNVNTNEC5MD |
145J TERRA NOVA TELECOM INC. |
474 |
|
2023-08-10 |
|
423-520
| 1 |
Madisonville |
TN |
KNVLTN02DMD |
8356 US LEC OF TENNESSEE, INC. |
474 |
|
|
|
423-520
| 2 |
Madisonville |
TN |
|
7476 POWERTEL NASHVILLE LICENSES, INC. |
474 |
|
2024-03-24 |
|
423-520
| 4 |
Madisonville |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
2018-04-02 |
|
423-520
| 5 |
Madisonville |
TN |
|
7476 POWERTEL NASHVILLE LICENSES, INC. |
474 |
|
2024-03-24 |
|
423-520
| 6 |
Madisonville |
TN |
KNVLTNMA56Z |
124F BANDWIDTH.COM CLEC, LLC - TN |
474 |
|
2008-11-28 |
|
423-520
| 7 |
Madisonville |
TN |
KNVLTNMA56Z |
124F BANDWIDTH.COM CLEC, LLC - TN |
474 |
|
2017-06-03 |
|
423-520
| 8 |
Madisonville |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
2022-12-31 |
|
423-521
| A |
Chattanooga |
TN |
CHTGTNOX6MD |
7473 POWERTEL ATLANTA LICENSES, INC. |
472 |
|
|
|
423-521
| 0 |
Chattanooga |
TN |
CHTGTNNSXFY |
124F BANDWIDTH.COM CLEC, LLC - TN |
472 |
|
2008-11-28 |
|
423-521
| 1 |
Chattanooga |
TN |
CHTGTNNSXFY |
124F BANDWIDTH.COM CLEC, LLC - TN |
472 |
|
2010-11-19 |
|
423-521
| 2 |
Chattanooga |
TN |
CHTGTNNSXFY |
124F BANDWIDTH.COM CLEC, LLC - TN |
472 |
|
2010-11-19 |
|
423-521
| 3 |
Chattanooga |
TN |
CHTITNCDDS0 |
4645 ELECTRIC POWER BOARD OF CHATTANOOGA |
472 |
|
2010-02-23 |
|
423-521
| 4 |
Chattanooga |
TN |
CHTITNCDDS0 |
4645 ELECTRIC POWER BOARD OF CHATTANOOGA |
472 |
|
2010-04-12 |
|
423-521
| 5 |
Chattanooga |
TN |
CHTGTNNSXFY |
124F BANDWIDTH.COM CLEC, LLC - TN |
472 |
|
2010-03-08 |
|
423-521
| 6 |
Chattanooga |
TN |
CHTITNCDDS0 |
4645 ELECTRIC POWER BOARD OF CHATTANOOGA |
472 |
|
2010-04-12 |
|
423-521
| 7 |
Chattanooga |
TN |
CHTITNCDDS0 |
4645 ELECTRIC POWER BOARD OF CHATTANOOGA |
472 |
|
2011-07-08 |
|
423-521
| 8 |
Chattanooga |
TN |
CHTITNCDDS0 |
4645 ELECTRIC POWER BOARD OF CHATTANOOGA |
472 |
|
2011-07-08 |
|
423-521
| 9 |
Chattanooga |
TN |
CHTGTNOX6MD |
7473 POWERTEL ATLANTA LICENSES, INC. |
472 |
|
2008-08-16 |
|
423-522
| A |
Morristown |
TN |
MRTWTNMADS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
474 |
|
|
|
423-522
| 0 |
Morristown |
TN |
KNVLTNMAY8X |
624H ONVOY SPECTRUM, LLC |
474 |
|
2023-06-17 |
|
423-522
| 1 |
Morristown |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
2023-09-09 |
|
423-522
| 2 |
Morristown |
TN |
MRTWTNMADS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
474 |
|
|
|
423-522
| 3 |
Morristown |
TN |
MRTWTNMADS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
474 |
|
|
|
423-522
| 5 |
Morristown |
TN |
MRTWTNMADS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
474 |
|
|
|
423-522
| 6 |
Morristown |
TN |
MRTWTNMADS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
474 |
|
|
|
423-522
| 7 |
Morristown |
TN |
MRTWTNMADS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
474 |
|
|
|
423-522
| 8 |
Morristown |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
2023-09-09 |
|
423-522
| 9 |
Morristown |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
2023-09-09 |
|
423-523
| A |
Bulls Gap |
TN |
KNVLTNIIAMD |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
474 |
|
|
|
423-523
| 0 |
Bulls Gap |
TN |
KNVLTNMA56Z |
124F BANDWIDTH.COM CLEC, LLC - TN |
474 |
|
2016-08-26 |
|
423-523
| 1 |
Bulls Gap |
TN |
KNVLTNIIAMD |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
474 |
|
|
|
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Last updated: Fri, 22 Mar 2024 03:02:44 UTC
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