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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 423-349
| 5 |
Sullivan Gardens |
TN |
SLGRTNXARS0 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
|
|
| 423-349
| 6 |
Sullivan Gardens |
TN |
SLGRTNXARS0 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
|
|
| 423-349
| 7 |
Sullivan Gardens |
TN |
SLGRTNXARS0 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
|
|
| 423-349
| 8 |
Sullivan Gardens |
TN |
BUVLTNAX0MD |
792K CHARTER IP ENABLED SERVICES, LLC |
956 |
|
2005-01-23 |
|
| 423-349
| 9 |
Sullivan Gardens |
TN |
SLGRTNXARS0 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
|
|
| 423-350
| A |
Bristol |
TN |
JHCYTNXCX8Y |
939H COMMIO, LLC |
956 |
|
|
|
| 423-350
| 0 |
Bristol |
TN |
JHCYTNXCX8Y |
939H COMMIO, LLC |
956 |
|
2022-09-03 |
|
| 423-350
| 1 |
Bristol |
TN |
JHCYTNXCXYX |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
956 |
|
2022-09-04 |
|
| 423-350
| 2 |
Bristol |
TN |
JHCYTNXCXYX |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
956 |
|
2022-09-04 |
|
| 423-350
| 3 |
Bristol |
TN |
JHCYTNXCXYX |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
956 |
|
2022-09-04 |
|
| 423-350
| 4 |
Bristol |
TN |
JHCYTNXCXYX |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
956 |
|
2022-09-04 |
|
| 423-350
| 5 |
Bristol |
TN |
JHCYTNXCXYX |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
956 |
|
2022-09-04 |
|
| 423-350
| 6 |
Bristol |
TN |
JHCYTNXCXYX |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
956 |
|
2022-09-04 |
|
| 423-350
| 7 |
Bristol |
TN |
JHCYTNXCXYX |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
956 |
|
2022-09-04 |
|
| 423-350
| 8 |
Bristol |
TN |
JHCYTNXCXYX |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
956 |
|
2022-09-04 |
|
| 423-350
| 9 |
Bristol |
TN |
JHCYTNXCXYX |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
956 |
|
2022-12-31 |
|
| 423-351
| A |
Sweetwater |
TN |
SWTWTNMTRS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
474 |
|
|
|
| 423-351
| 0 |
Sweetwater |
TN |
SWTWTNMTRS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
474 |
|
|
|
| 423-351
| 1 |
Sweetwater |
TN |
SWTWTNMTRS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
474 |
|
|
|
| 423-351
| 2 |
Sweetwater |
TN |
SWTWTNMTRS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
474 |
|
|
|
| 423-351
| 3 |
Sweetwater |
TN |
KNVLTNIIAMD |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
474 |
|
|
|
| 423-351
| 4 |
Sweetwater |
TN |
KNVLTNIIAMD |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
474 |
|
|
|
| 423-351
| 5 |
Sweetwater |
TN |
KNVLTNMA56Z |
124F BANDWIDTH.COM CLEC, LLC - TN |
474 |
|
2023-03-11 |
|
| 423-351
| 7 |
Sweetwater |
TN |
SWTWTNMTRS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
474 |
|
|
|
| 423-351
| 8 |
Sweetwater |
TN |
SWTWTNMTRS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
474 |
|
|
|
| 423-351
| 9 |
Sweetwater |
TN |
SWTWTNMTRS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
474 |
|
|
|
| 423-352
| A |
La Follette |
TN |
KNVLTNMAYAY |
829J PAETEC ITEL, LLC |
474 |
|
2024-12-05 |
|
| 423-352
| 0 |
La Follette |
TN |
KNVLTNMA56Z |
124F BANDWIDTH.COM CLEC, LLC - TN |
474 |
|
2015-11-16 |
|
| 423-352
| 1 |
La Follette |
TN |
KNVLTNMAYAY |
829J PAETEC ITEL, LLC |
474 |
|
|
|
| 423-352
| 2 |
La Follette |
TN |
KNVLTNIIAMD |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
474 |
|
2024-01-09 |
|
| 423-352
| 3 |
La Follette |
TN |
KNVLTNMAYAY |
829J PAETEC ITEL, LLC |
474 |
|
|
|
| 423-352
| 4 |
La Follette |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
2018-08-31 |
|
| 423-352
| 5 |
La Follette |
TN |
KNVLTNMAYAY |
829J PAETEC ITEL, LLC |
474 |
|
|
|
| 423-352
| 6 |
La Follette |
TN |
KNVLTNMA84Z |
516C AT&T CORP. |
474 |
|
2009-10-26 |
|
| 423-352
| 7 |
La Follette |
TN |
KNVLTNMA56Z |
124F BANDWIDTH.COM CLEC, LLC - TN |
474 |
|
2011-07-04 |
|
| 423-352
| 8 |
La Follette |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
2011-03-13 |
|
| 423-352
| 9 |
La Follette |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
2016-10-10 |
|
| 423-353
| A |
Morristown |
TN |
KNVLTNMAYAY |
829J PAETEC ITEL, LLC |
474 |
|
2024-12-05 |
|
| 423-353
| 0 |
Morristown |
TN |
KNVLTNIIAMD |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
474 |
|
2015-02-09 |
|
| 423-353
| 1 |
Morristown |
TN |
KNVLTNMAYAY |
829J PAETEC ITEL, LLC |
474 |
|
2011-05-14 |
|
| 423-353
| 2 |
Morristown |
TN |
KNVLTNIIAMD |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
474 |
|
2013-02-07 |
|
| 423-353
| 3 |
Morristown |
TN |
KNVLTNIIAMD |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
474 |
|
2013-11-19 |
|
| 423-353
| 4 |
Morristown |
TN |
MRTWTN281MD |
792K CHARTER IP ENABLED SERVICES, LLC |
474 |
|
2013-03-08 |
|
| 423-353
| 5 |
Morristown |
TN |
KNVLTNIIAMD |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
474 |
|
2013-12-26 |
|
| 423-353
| 7 |
Morristown |
TN |
KNVLTNMA96Z |
7476 POWERTEL NASHVILLE LICENSES, INC. |
474 |
|
2014-03-26 |
|
| 423-353
| 8 |
Morristown |
TN |
KNVLTNMA96Z |
7476 POWERTEL NASHVILLE LICENSES, INC. |
474 |
|
2014-03-26 |
|
| 423-353
| 9 |
Morristown |
TN |
KNVLTNMANMD |
4806 LEVEL 3 COMMUNICATIONS, LLC - TN |
474 |
|
2013-07-20 |
|
| 423-354
| A |
Blountville |
TN |
BUVLTNXARS0 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
|
|
| 423-354
| 0 |
Blountville |
TN |
BUVLTNXARS0 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
|
|
| 423-354
| 1 |
Blountville |
TN |
BUVLTNXARS0 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
|
|
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Last updated: Sat, 10 Oct 2026 15:24:20 UTC
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