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 |
423-389
| 2 |
Midway (Sullivan) |
TN |
|
624H ONVOY SPECTRUM, LLC |
956 |
|
2024-03-05 |
|
423-389
| 4 |
Midway (Sullivan) |
TN |
JHCYTNXCXNX |
124F BANDWIDTH.COM CLEC, LLC - TN |
956 |
|
2014-07-17 |
|
423-389
| 6 |
Midway (Sullivan) |
TN |
JHCYTNXCXIY |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
956 |
|
|
|
423-389
| 7 |
Midway (Sullivan) |
TN |
GTCYVA02AMD |
008A MOUNTAINET TELEPHONE COMPANY - TN |
956 |
|
2004-10-01 |
|
423-389
| 8 |
Midway (Sullivan) |
TN |
JHCYTNXC9MD |
4806 LEVEL 3 COMMUNICATIONS, LLC - TN |
956 |
|
2005-09-29 |
|
423-389
| 9 |
Midway (Sullivan) |
TN |
JHCYTNXC9MD |
4806 LEVEL 3 COMMUNICATIONS, LLC - TN |
956 |
|
2003-02-04 |
|
423-390
| A |
Kingsport |
TN |
KGPTTNXADS0 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
|
|
423-390
| 0 |
Kingsport |
TN |
JHCYTNXCXNX |
124F BANDWIDTH.COM CLEC, LLC - TN |
956 |
|
2014-07-17 |
|
423-390
| 1 |
Kingsport |
TN |
BUVLTNAXPS1 |
704C CHARTER FIBERLINK-TENNESSEE, LLC - TN |
956 |
|
2014-02-11 |
|
423-390
| 2 |
Kingsport |
TN |
KGPTTNXADS0 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
|
|
423-390
| 3 |
Kingsport |
TN |
KGPTTNXADS0 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
|
|
423-390
| 4 |
Kingsport |
TN |
KGPTTNXADS0 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
|
|
423-390
| 5 |
Kingsport |
TN |
KGPTTNXADS0 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
|
|
423-390
| 6 |
Kingsport |
TN |
KGPTTNXADS0 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
|
|
423-390
| 7 |
Kingsport |
TN |
KGPTTNXADS0 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
|
|
423-390
| 8 |
Kingsport |
TN |
JHCYTNXCXNX |
124F BANDWIDTH.COM CLEC, LLC - TN |
956 |
|
2013-05-02 |
|
423-390
| 9 |
Kingsport |
TN |
JHCYTNXCXNX |
124F BANDWIDTH.COM CLEC, LLC - TN |
956 |
|
2015-06-14 |
|
423-391
| A |
Bluff City |
TN |
BLCYTNXARS0 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
|
|
423-391
| 0 |
Bluff City |
TN |
BLCYTNXARS0 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
|
|
423-391
| 1 |
Bluff City |
TN |
BLCYTNXARS0 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
|
|
423-391
| 2 |
Bluff City |
TN |
|
624H ONVOY SPECTRUM, LLC |
956 |
|
2024-03-05 |
|
423-391
| 3 |
Bluff City |
TN |
BLCYTNXARS0 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
2006-11-27 |
|
423-391
| 4 |
Bluff City |
TN |
JHCYTNXCX3X |
7278 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN |
956 |
|
2009-05-12 |
|
423-391
| 5 |
Bluff City |
TN |
JHCYTNXCXNX |
124F BANDWIDTH.COM CLEC, LLC - TN |
956 |
|
2010-06-19 |
|
423-391
| 6 |
Bluff City |
TN |
JHCYTNXCXNX |
124F BANDWIDTH.COM CLEC, LLC - TN |
956 |
|
2010-10-08 |
|
423-391
| 7 |
Bluff City |
TN |
BUVLTNAXPS1 |
704C CHARTER FIBERLINK-TENNESSEE, LLC - TN |
956 |
|
2005-01-23 |
|
423-391
| 8 |
Bluff City |
TN |
BUVLTNAXPS1 |
704C CHARTER FIBERLINK-TENNESSEE, LLC - TN |
956 |
|
2011-10-23 |
|
423-391
| 9 |
Bluff City |
TN |
JHCYTNXC9MD |
4806 LEVEL 3 COMMUNICATIONS, LLC - TN |
956 |
|
2013-03-03 |
|
423-392
| A |
Kingsport |
TN |
KGPTTNXADS0 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
|
|
423-393
| A |
Bulls Gap |
TN |
MRTWTN280MD |
704C CHARTER FIBERLINK-TENNESSEE, LLC - TN |
474 |
|
|
|
423-393
| 1 |
Bulls Gap |
TN |
MRTWTN280MD |
704C CHARTER FIBERLINK-TENNESSEE, LLC - TN |
474 |
|
2005-05-23 |
|
423-393
| 2 |
Bulls Gap |
TN |
KNVLTNMANMD |
4806 LEVEL 3 COMMUNICATIONS, LLC - TN |
474 |
|
2008-05-20 |
|
423-393
| 3 |
Bulls Gap |
TN |
KNVLTNMA56Z |
124F BANDWIDTH.COM CLEC, LLC - TN |
474 |
|
2010-03-04 |
|
423-393
| 4 |
Bulls Gap |
TN |
KNVLTNMAYHX |
318J COMCAST IP PHONE, LLC |
474 |
|
2008-11-21 |
|
423-393
| 5 |
Bulls Gap |
TN |
KNVLTNMA84Z |
516C AT&T CORP. |
474 |
|
2011-11-01 |
|
423-393
| 6 |
Bulls Gap |
TN |
KNVLTNMA56Z |
124F BANDWIDTH.COM CLEC, LLC - TN |
474 |
|
2021-12-09 |
|
423-393
| 7 |
Bulls Gap |
TN |
KNVLTNMA56Z |
124F BANDWIDTH.COM CLEC, LLC - TN |
474 |
|
2012-05-31 |
|
423-393
| 8 |
Bulls Gap |
TN |
KNVLTNMA56Z |
124F BANDWIDTH.COM CLEC, LLC - TN |
474 |
|
2015-06-14 |
|
423-393
| 9 |
Bulls Gap |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
2016-06-09 |
|
423-394
| A |
Chattanooga |
TN |
CHTGTNGZ4MD |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
472 |
|
|
|
423-394
| 0 |
Chattanooga |
TN |
CHTGTNGZ4MD |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
472 |
|
|
|
423-394
| 1 |
Chattanooga |
TN |
CHTGTNGZ4MD |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
472 |
|
|
|
423-394
| 2 |
Chattanooga |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
2012-09-12 |
|
423-394
| 3 |
Chattanooga |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
2012-09-12 |
|
423-394
| 4 |
Chattanooga |
TN |
CHTGTNGZ4MD |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
472 |
|
|
|
423-394
| 5 |
Chattanooga |
TN |
CHTGTNGZ4MD |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
472 |
|
|
|
423-394
| 6 |
Chattanooga |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
2012-09-12 |
|
423-394
| 7 |
Chattanooga |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
2012-09-12 |
|
423-394
| 8 |
Chattanooga |
TN |
CHTGTNGZ4MD |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
472 |
|
|
|
423-394
| 9 |
Chattanooga |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
2012-09-12 |
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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