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 |
| 423-444
| 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
| 7 |
Limestone |
TN |
JHCYTNXCXIY |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
956 |
|
2024-10-18 |
|
| 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 |
BUVLTNAX0MD |
792K CHARTER IP ENABLED SERVICES, LLC |
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 |
JHCYTNXCXPY |
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 |
|
| 423-447
| A |
Pikeville |
TN |
PKVLTNXADS1 |
0554 BLEDSOE TEL. COOP. |
472 |
|
|
|
| 423-448
| A |
Pikeville |
TN |
CHTGTNGZ4MD |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
472 |
|
|
|
| 423-449
| A |
La Follette |
TN |
KNVLTNMAYAY |
829J PAETEC ITEL, LLC |
474 |
|
2024-12-05 |
|
| 423-449
| 0 |
La Follette |
TN |
KNVLTNMAYAY |
829J PAETEC ITEL, LLC |
474 |
|
|
|
| 423-449
| 1 |
La Follette |
TN |
|
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
474 |
|
2026-02-03 |
|
| 423-449
| 2 |
La Follette |
TN |
KNVNTNEC8MD |
490J BOOST SUBSCRIBERCO L.L.C. |
474 |
|
2024-03-22 |
|
| 423-449
| 3 |
La Follette |
TN |
|
6278 UNITED STATES CELLULAR - TN |
474 |
|
2025-01-23 |
|
| 423-449
| 4 |
La Follette |
TN |
|
6278 UNITED STATES CELLULAR - TN |
474 |
|
2025-01-23 |
|
| 423-449
| 5 |
La Follette |
TN |
|
6278 UNITED STATES CELLULAR - TN |
474 |
|
2025-01-23 |
|
| 423-449
| 6 |
La Follette |
TN |
|
6278 UNITED STATES CELLULAR - TN |
474 |
|
2025-01-23 |
|
| 423-449
| 7 |
La Follette |
TN |
KNVLTNMAYAY |
829J PAETEC ITEL, LLC |
474 |
|
|
|
| 423-449
| 8 |
La Follette |
TN |
KNVLTNMAYHX |
318J COMCAST IP PHONE, LLC |
474 |
|
2013-10-14 |
|
| 423-449
| 9 |
La Follette |
TN |
KNVLTNMA56Z |
124F BANDWIDTH.COM CLEC, LLC - TN |
474 |
|
2008-11-28 |
|
| 423-450
| A |
Mosheim |
TN |
JHCYTNXCXHY |
318J COMCAST IP PHONE, LLC |
956 |
|
|
|
| 423-451
| A |
Soddy Daisy |
TN |
SDDSTNMARS5 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
472 |
|
|
|
| 423-451
| 0 |
Soddy Daisy |
TN |
SDDSTNMARS5 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
472 |
|
|
|
| 423-451
| 1 |
Soddy Daisy |
TN |
CHTGTNNSXFY |
124F BANDWIDTH.COM CLEC, LLC - TN |
472 |
|
2016-08-21 |
|
| 423-451
| 2 |
Soddy Daisy |
TN |
CHTGTNNSXFY |
124F BANDWIDTH.COM CLEC, LLC - TN |
472 |
|
2010-03-04 |
|
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Last updated: Tue, 16 Jun 2026 00:09:45 UTC
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