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 |
| 423-915
| 0 |
Johnson City |
TN |
JHCYTNXCPS0 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
|
|
| 423-915
| 1 |
Johnson City |
TN |
JHCYTNXCPS0 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
|
|
| 423-915
| 2 |
Johnson City |
TN |
JHCYTNXCPS0 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
|
|
| 423-915
| 3 |
Johnson City |
TN |
JHCYTNXCPS0 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
|
|
| 423-915
| 4 |
Johnson City |
TN |
JHCYTNXCPS0 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
|
|
| 423-915
| 5 |
Johnson City |
TN |
JHCYTNXCPS0 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
|
|
| 423-915
| 6 |
Johnson City |
TN |
JHCYTNXCXIY |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
956 |
|
2009-04-05 |
|
| 423-915
| 7 |
Johnson City |
TN |
JHCYTNXCPS0 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
|
|
| 423-915
| 8 |
Johnson City |
TN |
JHCYTNXCPS0 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
|
|
| 423-915
| 9 |
Johnson City |
TN |
JHCYTNXCXIY |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
956 |
|
2012-11-03 |
|
| 423-917
| A |
Blountville |
TN |
BUVLTNXARS0 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
|
|
| 423-919
| A |
New Tazewell |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
|
|
| 423-919
| 0 |
New Tazewell |
TN |
KNVLTNIIAMD |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
474 |
|
2023-09-29 |
|
| 423-919
| 1 |
New Tazewell |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
2021-03-19 |
|
| 423-919
| 2 |
New Tazewell |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
2021-03-19 |
|
| 423-919
| 3 |
New Tazewell |
TN |
KNVLTNMAYIX |
506J TWILIO INTERNATIONAL, INC. |
474 |
|
2021-11-03 |
|
| 423-919
| 8 |
New Tazewell |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
2019-11-29 |
|
| 423-919
| 9 |
New Tazewell |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
2019-11-29 |
|
| 423-920
| A |
Athens |
TN |
KNVLTNJHGT0 |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
474 |
|
|
|
| 423-920
| 0 |
Athens |
TN |
KNVLTNJHGT0 |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
474 |
|
|
|
| 423-920
| 1 |
Athens |
TN |
KNVLTNJHGT0 |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
474 |
|
|
|
| 423-920
| 2 |
Athens |
TN |
KNVLTNJHGT0 |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
474 |
|
2006-08-19 |
|
| 423-920
| 3 |
Athens |
TN |
KNVLTNJHGT0 |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
474 |
|
2008-10-28 |
|
| 423-920
| 4 |
Athens |
TN |
KNVLTNJHGT0 |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
474 |
|
2005-08-14 |
|
| 423-920
| 5 |
Athens |
TN |
KNVLTNJHGT0 |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
474 |
|
2006-07-21 |
|
| 423-920
| 6 |
Athens |
TN |
KNVLTNJHGT0 |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
474 |
|
2008-11-02 |
|
| 423-920
| 7 |
Athens |
TN |
KNVLTNJHGT0 |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
474 |
|
2005-04-22 |
|
| 423-920
| 8 |
Athens |
TN |
KNVLTNJHGT0 |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
474 |
|
|
|
| 423-920
| 9 |
Athens |
TN |
KNVLTNJHGT0 |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
474 |
|
|
|
| 423-921
| A |
Rogersville |
TN |
RRVLTNMADS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
474 |
|
|
|
| 423-921
| 0 |
Rogersville |
TN |
RRVLTNMADS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
474 |
|
|
|
| 423-921
| 1 |
Rogersville |
TN |
RRVLTNMADS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
474 |
|
|
|
| 423-921
| 2 |
Rogersville |
TN |
KNVLTNIIAMD |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
474 |
|
|
|
| 423-921
| 3 |
Rogersville |
TN |
RRVLTNMADS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
474 |
|
|
|
| 423-921
| 4 |
Rogersville |
TN |
KNVLTNIIAMD |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
474 |
|
|
|
| 423-921
| 5 |
Rogersville |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
2018-03-09 |
|
| 423-921
| 6 |
Rogersville |
TN |
RRVLTNMADS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
474 |
|
|
|
| 423-921
| 7 |
Rogersville |
TN |
RRVLTNMADS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
474 |
|
|
|
| 423-921
| 8 |
Rogersville |
TN |
RRVLTNMADS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
474 |
|
|
|
| 423-921
| 9 |
Rogersville |
TN |
RRVLTNMADS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
474 |
|
|
|
| 423-922
| A |
Baileyton |
TN |
JHCYTNXCXGY |
965H FRACTEL, LLC |
956 |
|
|
|
| 423-922
| 0 |
Baileyton |
TN |
JHCYTNXCXAY |
073H TELNYX LLC |
956 |
|
2021-01-17 |
|
| 423-922
| 1 |
Baileyton |
TN |
JHCYTNXCXRX |
114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN |
956 |
|
2023-09-04 |
|
| 423-922
| 2 |
Baileyton |
TN |
JHCYTNXCXGY |
965H FRACTEL, LLC |
956 |
|
2020-09-12 |
|
| 423-922
| 3 |
Baileyton |
TN |
JHCYTNXCXPX |
525E ONVOY, LLC - TN |
956 |
|
2021-02-17 |
|
| 423-922
| 4 |
Baileyton |
TN |
JHCYTNXCXPX |
525E ONVOY, LLC - TN |
956 |
|
2021-02-17 |
|
| 423-922
| 5 |
Baileyton |
TN |
JHCYTNXCXPX |
525E ONVOY, LLC - TN |
956 |
|
2021-07-10 |
|
| 423-922
| 6 |
Baileyton |
TN |
JHCYTNXCXPX |
525E ONVOY, LLC - TN |
956 |
|
2021-07-10 |
|
| 423-922
| 7 |
Baileyton |
TN |
JHCYTNXCXNX |
124F BANDWIDTH.COM CLEC, LLC - TN |
956 |
|
2021-12-09 |
|
| 423-922
| 8 |
Baileyton |
TN |
JHCYTNXCXNX |
124F BANDWIDTH.COM CLEC, LLC - TN |
956 |
|
2022-02-26 |
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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