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 |
| 423-486
| 3 |
Chattanooga |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
2011-02-05 |
|
| 423-486
| 4 |
Chattanooga |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
2011-02-05 |
|
| 423-486
| 5 |
Chattanooga |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
2011-02-05 |
|
| 423-486
| 6 |
Chattanooga |
TN |
CHTGTNNSXCZ |
7473 POWERTEL ATLANTA LICENSES, INC. |
472 |
|
2011-02-06 |
|
| 423-486
| 7 |
Chattanooga |
TN |
CHTGTNNSXCZ |
7473 POWERTEL ATLANTA LICENSES, INC. |
472 |
|
2011-02-06 |
|
| 423-486
| 8 |
Chattanooga |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
2011-04-08 |
|
| 423-486
| 9 |
Chattanooga |
TN |
CHTITNCDDS0 |
4645 ELECTRIC POWER BOARD OF CHATTANOOGA |
472 |
|
2012-08-24 |
|
| 423-487
| A |
Newport |
TN |
NWPTTNMTDS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
474 |
|
|
|
| 423-487
| 0 |
Newport |
TN |
NWPTTNMTDS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
474 |
|
|
|
| 423-487
| 1 |
Newport |
TN |
KNVLTNMAY8X |
624H ONVOY SPECTRUM, LLC |
474 |
|
2023-06-17 |
|
| 423-487
| 2 |
Newport |
TN |
NWPTTNMTDS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
474 |
|
|
|
| 423-487
| 3 |
Newport |
TN |
NWPTTNMTDS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
474 |
|
|
|
| 423-487
| 4 |
Newport |
TN |
NWPTTNMTDS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
474 |
|
|
|
| 423-487
| 5 |
Newport |
TN |
NWPTTNMTDS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
474 |
|
|
|
| 423-487
| 6 |
Newport |
TN |
KNVLTNMA96Z |
7476 POWERTEL NASHVILLE LICENSES, INC. |
474 |
|
2025-04-11 |
|
| 423-487
| 7 |
Newport |
TN |
KNVLTNIIAMD |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
474 |
|
2023-11-10 |
|
| 423-487
| 8 |
Newport |
TN |
KNVLTNMA56Z |
124F BANDWIDTH.COM CLEC, LLC - TN |
474 |
|
2026-06-06 |
|
| 423-487
| 9 |
Newport |
TN |
|
124F BANDWIDTH.COM CLEC, LLC - TN |
474 |
|
2026-08-08 |
|
| 423-488
| A |
Chattanooga |
TN |
CHTGTNGZ4MD |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
472 |
|
|
|
| 423-489
| A |
Cumberland Gap |
TN |
CRBNKYMA0MD |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
466 |
|
|
|
| 423-489
| 0 |
Cumberland Gap |
TN |
CRBNKYMA0MD |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
466 |
|
2008-06-09 |
|
| 423-489
| 1 |
Cumberland Gap |
TN |
CRBNKYMA0MD |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
466 |
|
2007-08-31 |
|
| 423-489
| 2 |
Cumberland Gap |
TN |
CRBNKYMA0MD |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
466 |
|
2007-03-22 |
|
| 423-489
| 3 |
Cumberland Gap |
TN |
CRBNKYMA0MD |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
466 |
|
2007-02-05 |
|
| 423-489
| 4 |
Cumberland Gap |
TN |
CRBNKYMA0MD |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
466 |
|
2006-10-13 |
|
| 423-489
| 5 |
Cumberland Gap |
TN |
CRBNKYMA0MD |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
466 |
|
2006-08-19 |
|
| 423-489
| 6 |
Cumberland Gap |
TN |
CRBNKYMA0MD |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
466 |
|
2006-04-17 |
|
| 423-489
| 7 |
Cumberland Gap |
TN |
CRBNKYMA0MD |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
466 |
|
2005-06-11 |
|
| 423-489
| 8 |
Cumberland Gap |
TN |
CRBNKYMA0MD |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
466 |
|
2005-06-11 |
|
| 423-489
| 9 |
Cumberland Gap |
TN |
CRBNKYMA0MD |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
466 |
|
2004-12-25 |
|
| 423-490
| A |
Chattanooga |
TN |
CHTGTNBRDS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
472 |
|
|
|
| 423-490
| 0 |
Chattanooga |
TN |
CHTGTNBRDS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
472 |
|
|
|
| 423-490
| 1 |
Chattanooga |
TN |
CHTGTNBRDS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
472 |
|
|
|
| 423-490
| 2 |
Chattanooga |
TN |
CHTGTNBRDS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
472 |
|
|
|
| 423-490
| 3 |
Chattanooga |
TN |
CHTGTNBRDS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
472 |
|
|
|
| 423-490
| 4 |
Chattanooga |
TN |
CHTGTNBRDS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
472 |
|
|
|
| 423-490
| 5 |
Chattanooga |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
2014-06-19 |
|
| 423-490
| 6 |
Chattanooga |
TN |
CHTGTNBRDS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
472 |
|
|
|
| 423-490
| 7 |
Chattanooga |
TN |
CHTITNCDDS0 |
4645 ELECTRIC POWER BOARD OF CHATTANOOGA |
472 |
|
2012-02-22 |
|
| 423-490
| 8 |
Chattanooga |
TN |
CHTGTNBRDS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
472 |
|
|
|
| 423-490
| 9 |
Chattanooga |
TN |
CHTITNCDDS0 |
4645 ELECTRIC POWER BOARD OF CHATTANOOGA |
472 |
|
2012-02-22 |
|
| 423-491
| A |
Johnson City |
TN |
JHCYTNXCX1Y |
508J CENTURYLINK COMMUNICATIONS, LLC |
956 |
|
|
|
| 423-491
| 0 |
Johnson City |
TN |
JHCYTNXCXIY |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
956 |
|
2014-09-06 |
|
| 423-491
| 1 |
Johnson City |
TN |
JHCYTNXCXIY |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
956 |
|
2015-02-09 |
|
| 423-491
| 2 |
Johnson City |
TN |
JHCYTNXCXIY |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
956 |
|
2015-02-09 |
|
| 423-491
| 3 |
Johnson City |
TN |
JHCYTNXCXIY |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
956 |
|
2016-04-03 |
|
| 423-491
| 4 |
Johnson City |
TN |
JHCYTNXCX3X |
7278 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN |
956 |
|
2015-02-20 |
|
| 423-491
| 5 |
Johnson City |
TN |
JHCYTNXCXNX |
124F BANDWIDTH.COM CLEC, LLC - TN |
956 |
|
2015-06-14 |
|
| 423-491
| 6 |
Johnson City |
TN |
JHCYTNXCXIY |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
956 |
|
2015-06-10 |
|
| 423-491
| 7 |
Johnson City |
TN |
JHCYTNXCX1Y |
508J CENTURYLINK COMMUNICATIONS, LLC |
956 |
|
2013-11-01 |
|
<< 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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