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 |
| 423-602
| 5 |
Chattanooga |
TN |
CHTITNCDDS0 |
4645 ELECTRIC POWER BOARD OF CHATTANOOGA |
472 |
|
2012-11-23 |
|
| 423-602
| 6 |
Chattanooga |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
2014-03-28 |
|
| 423-602
| 7 |
Chattanooga |
TN |
CHTITNCDDS0 |
4645 ELECTRIC POWER BOARD OF CHATTANOOGA |
472 |
|
2012-11-23 |
|
| 423-602
| 8 |
Chattanooga |
TN |
CHTITNCDDS0 |
4645 ELECTRIC POWER BOARD OF CHATTANOOGA |
472 |
|
2013-05-24 |
|
| 423-602
| 9 |
Chattanooga |
TN |
CHTITNCDDS0 |
4645 ELECTRIC POWER BOARD OF CHATTANOOGA |
472 |
|
2013-05-24 |
|
| 423-603
| A |
Fork Ridge |
TN |
WNCHKYMAXMY |
516C AT&T CORP. |
466 |
|
|
|
| 423-603
| 0 |
Fork Ridge |
TN |
CRBNKYMA0MD |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
466 |
|
2019-10-18 |
|
| 423-603
| 1 |
Fork Ridge |
TN |
CRBNKYMA0MD |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
466 |
|
2019-10-18 |
|
| 423-603
| 2 |
Fork Ridge |
TN |
WNCHKYMAEMD |
525E ONVOY, LLC - TN |
466 |
|
2020-07-01 |
|
| 423-603
| 3 |
Fork Ridge |
TN |
WNCHKYMAEMD |
525E ONVOY, LLC - TN |
466 |
|
2020-07-01 |
|
| 423-603
| 4 |
Fork Ridge |
TN |
WNCHKYMAEMD |
525E ONVOY, LLC - TN |
466 |
|
2020-07-01 |
|
| 423-603
| 5 |
Fork Ridge |
TN |
WNCHKYMAEMD |
525E ONVOY, LLC - TN |
466 |
|
2020-07-01 |
|
| 423-603
| 6 |
Fork Ridge |
TN |
WNCHKYMAEMD |
525E ONVOY, LLC - TN |
466 |
|
2019-08-29 |
|
| 423-603
| 7 |
Fork Ridge |
TN |
WNCHKYMAXMY |
516C AT&T CORP. |
466 |
|
2014-01-29 |
|
| 423-603
| 8 |
Fork Ridge |
TN |
DAVLKYMAX7X |
073H TELNYX LLC |
466 |
|
2021-01-23 |
|
| 423-603
| 9 |
Fork Ridge |
TN |
WNCHKYMAXTY |
624H ONVOY SPECTRUM, LLC |
466 |
|
2021-02-24 |
|
| 423-604
| A |
Etowah |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
2024-01-15 |
|
| 423-604
| 0 |
Etowah |
TN |
KNVNTNEC0MD |
073H TELNYX LLC |
474 |
|
2019-11-20 |
|
| 423-604
| 1 |
Etowah |
TN |
KNVLTNMAY5X |
073H TELNYX LLC |
474 |
|
2021-03-21 |
|
| 423-604
| 3 |
Etowah |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
2019-10-13 |
|
| 423-604
| 4 |
Etowah |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
2019-10-13 |
|
| 423-604
| 5 |
Etowah |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
2021-03-19 |
|
| 423-604
| 6 |
Etowah |
TN |
KNVLTNMA54Z |
114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN |
474 |
|
2021-01-04 |
|
| 423-604
| 7 |
Etowah |
TN |
KNVNTNEC2MD |
939H COMMIO, LLC |
474 |
|
2021-10-09 |
|
| 423-604
| 8 |
Etowah |
TN |
KNVLTNMA56Z |
124F BANDWIDTH.COM CLEC, LLC - TN |
474 |
|
2022-01-16 |
|
| 423-604
| 9 |
Etowah |
TN |
KNVNTNEC2MD |
939H COMMIO, LLC |
474 |
|
2021-10-09 |
|
| 423-605
| A |
Chattanooga |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
|
|
| 423-606
| A |
Englewood |
TN |
KNVLTNMAYHX |
318J COMCAST IP PHONE, LLC |
474 |
|
|
|
| 423-606
| 0 |
Englewood |
TN |
KNVLTNMAYHX |
318J COMCAST IP PHONE, LLC |
474 |
|
2007-04-12 |
|
| 423-606
| 1 |
Englewood |
TN |
MRTWTN281MD |
792K CHARTER IP ENABLED SERVICES, LLC |
474 |
|
2023-04-02 |
|
| 423-606
| 2 |
Englewood |
TN |
KNVLTNMA31Z |
6278 UNITED STATES CELLULAR - TN |
474 |
|
2025-05-12 |
|
| 423-606
| 3 |
Englewood |
TN |
KNVLTNMA31Z |
6278 UNITED STATES CELLULAR - TN |
474 |
|
2025-05-12 |
|
| 423-606
| 4 |
Englewood |
TN |
KNVLTNMA31Z |
6278 UNITED STATES CELLULAR - TN |
474 |
|
2025-05-12 |
|
| 423-606
| 5 |
Englewood |
TN |
KNVLTNMA31Z |
6278 UNITED STATES CELLULAR - TN |
474 |
|
2025-05-12 |
|
| 423-606
| 6 |
Englewood |
TN |
KNVLTNMA54Z |
114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN |
474 |
|
2020-06-11 |
|
| 423-606
| 7 |
Englewood |
TN |
KNVLTNMA31Z |
6278 UNITED STATES CELLULAR - TN |
474 |
|
2025-05-12 |
|
| 423-606
| 8 |
Englewood |
TN |
KNVLTNMA31Z |
6278 UNITED STATES CELLULAR - TN |
474 |
|
2025-05-12 |
|
| 423-606
| 9 |
Englewood |
TN |
KNVLTNMA31Z |
6278 UNITED STATES CELLULAR - TN |
474 |
|
2025-05-12 |
|
| 423-607
| A |
Limestone |
TN |
JHCYTNXCXIY |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
956 |
|
|
|
| 423-607
| 0 |
Limestone |
TN |
JHCYTNXCXNX |
124F BANDWIDTH.COM CLEC, LLC - TN |
956 |
|
2015-02-21 |
|
| 423-607
| 1 |
Limestone |
TN |
JHCYTNXCXIY |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
956 |
|
2015-10-06 |
|
| 423-607
| 2 |
Limestone |
TN |
JHCYTNXCXNX |
124F BANDWIDTH.COM CLEC, LLC - TN |
956 |
|
2016-08-22 |
|
| 423-607
| 3 |
Limestone |
TN |
JHCYTNXCXHY |
318J COMCAST IP PHONE, LLC |
956 |
|
2015-03-04 |
|
| 423-607
| 4 |
Limestone |
TN |
JHCYTNXCXAY |
073H TELNYX LLC |
956 |
|
2021-01-23 |
|
| 423-607
| 5 |
Limestone |
TN |
JHCYTNXCXPX |
525E ONVOY, LLC - TN |
956 |
|
2018-06-09 |
|
| 423-607
| 6 |
Limestone |
TN |
JHCYTNXCXRX |
114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN |
956 |
|
2017-08-11 |
|
| 423-607
| 7 |
Limestone |
TN |
JHCYTNXCXPX |
525E ONVOY, LLC - TN |
956 |
|
2019-06-23 |
|
| 423-607
| 8 |
Limestone |
TN |
JHCYTNXCXPX |
525E ONVOY, LLC - TN |
956 |
|
2019-06-23 |
|
| 423-607
| 9 |
Limestone |
TN |
JHCYTNXCXIY |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
956 |
|
2014-04-17 |
|
| 423-608
| A |
Newport |
TN |
KNVLTNIIAMD |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
474 |
|
|
|
<< 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 >>
Last updated: Sat, 10 Oct 2026 15:24:20 UTC
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