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 |
423-441
| 4 |
Cumberland Gap |
TN |
LXTNKYXAX2Z |
525E ONVOY, LLC - TN |
466 |
|
2019-08-29 |
|
423-441
| 5 |
Cumberland Gap |
TN |
WNCHKYMAXMY |
516C AT&T CORP. |
466 |
|
2012-12-22 |
|
423-441
| 6 |
Cumberland Gap |
TN |
LXTNKYXAX2Z |
525E ONVOY, LLC - TN |
466 |
|
2021-07-11 |
|
423-441
| 7 |
Cumberland Gap |
TN |
LXTNKYXAX2Z |
525E ONVOY, LLC - TN |
466 |
|
2021-07-11 |
|
423-441
| 8 |
Cumberland Gap |
TN |
GRTWKYMAJMD |
4806 LEVEL 3 COMMUNICATIONS, LLC - TN |
466 |
|
2014-08-22 |
|
423-441
| 9 |
Cumberland Gap |
TN |
|
365C POWERTEL KENTUCKY LICENSES, INC. |
466 |
|
2003-02-28 |
|
423-442
| A |
Madisonville |
TN |
MDVITNMTDS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
474 |
|
|
|
423-443
| A |
Chattanooga |
TN |
CHTGTNNSX8X |
4806 LEVEL 3 COMMUNICATIONS, LLC - TN |
472 |
|
|
|
423-443
| 0 |
Chattanooga |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
2005-01-03 |
|
423-443
| 1 |
Chattanooga |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
2005-01-03 |
|
423-443
| 2 |
Chattanooga |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
2005-01-03 |
|
423-443
| 3 |
Chattanooga |
TN |
CHTGTNNSX8X |
4806 LEVEL 3 COMMUNICATIONS, LLC - TN |
472 |
|
2004-12-29 |
|
423-443
| 4 |
Chattanooga |
TN |
CHTGTNNSX8X |
4806 LEVEL 3 COMMUNICATIONS, LLC - TN |
472 |
|
|
|
423-443
| 5 |
Chattanooga |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
2005-02-06 |
|
423-443
| 6 |
Chattanooga |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
2005-02-06 |
|
423-443
| 7 |
Chattanooga |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
2005-02-06 |
|
423-443
| 8 |
Chattanooga |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
2005-03-12 |
|
423-443
| 9 |
Chattanooga |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
2005-03-12 |
|
423-444
| A |
Limestone |
TN |
JHCYTNXCXIY |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
956 |
|
|
|
423-444
| 0 |
Limestone |
TN |
JHCYTNXCXNX |
124F BANDWIDTH.COM CLEC, LLC - TN |
956 |
|
2010-10-08 |
|
423-444
| 1 |
Limestone |
TN |
JHCYTNXCXIY |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
956 |
|
2010-11-19 |
|
423-444
| 2 |
Limestone |
TN |
JHCYTNXCXIY |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
956 |
|
2010-12-18 |
|
423-444
| 3 |
Limestone |
TN |
JHCYTNXCXIY |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
956 |
|
2011-01-14 |
|
423-444
| 4 |
Limestone |
TN |
JHCYTNXCXNX |
124F BANDWIDTH.COM CLEC, LLC - TN |
956 |
|
2010-06-19 |
|
423-444
| 5 |
Limestone |
TN |
JHCYTNXCXIY |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
956 |
|
2011-01-19 |
|
423-444
| 6 |
Limestone |
TN |
JHCYTNXCXIY |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
956 |
|
2011-11-22 |
|
423-444
| 8 |
Limestone |
TN |
JHCYTNXCXNX |
124F BANDWIDTH.COM CLEC, LLC - TN |
956 |
|
2011-07-04 |
|
423-444
| 9 |
Limestone |
TN |
JHCYTNXCXIY |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
956 |
|
2010-03-12 |
|
423-445
| A |
Surgoinsville |
TN |
KNVLTNMA84Z |
516C AT&T CORP. |
474 |
|
|
|
423-445
| 0 |
Surgoinsville |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
2016-04-03 |
|
423-445
| 1 |
Surgoinsville |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
2016-04-03 |
|
423-445
| 2 |
Surgoinsville |
TN |
KNVLTNMA56Z |
124F BANDWIDTH.COM CLEC, LLC - TN |
474 |
|
2017-06-03 |
|
423-445
| 3 |
Surgoinsville |
TN |
KNVLTNIIDS0 |
7278 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN |
474 |
|
2017-01-16 |
|
423-445
| 4 |
Surgoinsville |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
2016-05-26 |
|
423-445
| 5 |
Surgoinsville |
TN |
KNVLTNMA84Z |
516C AT&T CORP. |
474 |
|
2011-11-02 |
|
423-445
| 6 |
Surgoinsville |
TN |
KNVLTNMA54Z |
114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN |
474 |
|
2017-01-20 |
|
423-445
| 7 |
Surgoinsville |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
2018-03-31 |
|
423-445
| 8 |
Surgoinsville |
TN |
KNVLTNMA56Z |
124F BANDWIDTH.COM CLEC, LLC - TN |
474 |
|
2018-09-22 |
|
423-445
| 9 |
Surgoinsville |
TN |
KNVLTNMAY8X |
624H ONVOY SPECTRUM, LLC |
474 |
|
2023-06-17 |
|
423-446
| A |
Fall Branch |
TN |
JHCYTNXCXNX |
124F BANDWIDTH.COM CLEC, LLC - TN |
956 |
|
|
|
423-446
| 0 |
Fall Branch |
TN |
JHCYTNXCX2Y |
8645 SUNCOM DBA T-MOBILE USA |
956 |
|
2022-08-26 |
|
423-446
| 1 |
Fall Branch |
TN |
JHCYTNXCXNX |
124F BANDWIDTH.COM CLEC, LLC - TN |
956 |
|
2011-03-14 |
|
423-446
| 2 |
Fall Branch |
TN |
JHCYTNXCXNX |
124F BANDWIDTH.COM CLEC, LLC - TN |
956 |
|
2011-04-08 |
|
423-446
| 3 |
Fall Branch |
TN |
JHCYTNXCXNX |
124F BANDWIDTH.COM CLEC, LLC - TN |
956 |
|
2016-08-26 |
|
423-446
| 4 |
Fall Branch |
TN |
JHCYTNXCX2Y |
8645 SUNCOM DBA T-MOBILE USA |
956 |
|
2022-01-19 |
|
423-446
| 5 |
Fall Branch |
TN |
BUVLTNAXPS1 |
704C CHARTER FIBERLINK-TENNESSEE, LLC - TN |
956 |
|
2017-07-08 |
|
423-446
| 6 |
Fall Branch |
TN |
JHCYTNXCX2Y |
8645 SUNCOM DBA T-MOBILE USA |
956 |
|
2022-01-19 |
|
423-446
| 7 |
Fall Branch |
TN |
|
624H ONVOY SPECTRUM, LLC |
956 |
|
2024-03-05 |
|
423-446
| 8 |
Fall Branch |
TN |
JHCYTNXCXHY |
318J COMCAST IP PHONE, LLC |
956 |
|
2008-06-15 |
|
423-446
| 9 |
Fall Branch |
TN |
JHCYTNXCXNX |
124F BANDWIDTH.COM CLEC, LLC - TN |
956 |
|
2018-06-08 |
|
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Last updated: Fri, 22 Mar 2024 03:02:44 UTC
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