Local Calling Guide
Area code/prefix search
NPA: 423
[Rate centres in NPA 423]
[Dial plan for NPA 423]
Block: A
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 423-607
| A |
Limestone |
TN |
JHCYTNXCXIY |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
956 |
|
|
|
| 423-608
| A |
Newport |
TN |
KNVLTNIIAMD |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
474 |
|
|
|
| 423-609
| A |
Greeneville |
TN |
JHCYTNXCXIY |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
956 |
|
|
|
| 423-610
| A |
Johnson City |
TN |
JHCYTNXCPS0 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
|
|
| 423-612
| A |
Bristol |
TN |
JHCYTNXCXIY |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
956 |
|
|
|
| 423-613
| A |
Newport |
TN |
NWPTTNMTDS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
474 |
|
|
|
| 423-614
| A |
Cleveland |
TN |
CLEVTNMADS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
472 |
|
|
|
| 423-615
| A |
Collegedale |
TN |
CHTGTNNSXRZ |
318J COMCAST IP PHONE, LLC |
472 |
|
|
|
| 423-616
| A |
Morristown |
TN |
|
525E ONVOY, LLC - TN |
474 |
|
|
|
| 423-617
| A |
Athens |
TN |
KNVLTNWHX6X |
7476 POWERTEL NASHVILLE LICENSES, INC. |
474 |
|
|
|
| 423-618
| A |
Chattanooga |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
|
|
| 423-619
| A |
Chattanooga |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
|
|
| 423-620
| A |
Greeneville |
TN |
JHCYTNXCXIY |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
956 |
|
|
|
| 423-621
| A |
Morristown |
TN |
KNVLTNIIAMD |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
474 |
|
|
|
| 423-622
| A |
Chattanooga |
TN |
CHTGTNDTDS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
472 |
|
|
|
| 423-623
| A |
Newport |
TN |
NWPTTNMTDS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
474 |
|
|
|
| 423-624
| A |
Chattanooga |
TN |
CHTGTNDTDS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
472 |
|
|
|
| 423-625
| A |
Newport |
TN |
NWPTTNMTDS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
474 |
|
|
|
| 423-626
| A |
New Tazewell |
TN |
NWTZTNXADS1 |
0557 BRIGHTSPEED OF EASTERN TENNESSEE, LLC |
474 |
|
|
|
| 423-627
| A |
Robbins |
TN |
RBNSTNXARS0 |
0565 HIGHLAND TEL. COOP, INC. |
474 |
|
|
|
| 423-628
| A |
Sunbright |
TN |
SNBRTNXARS0 |
0565 HIGHLAND TEL. COOP, INC. |
474 |
|
|
|
| 423-629
| A |
Chattanooga |
TN |
CHTGTNDTDS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
472 |
|
|
|
| 423-630
| A |
Johnson City |
TN |
JHCYTNXCNMD |
239E TELESCAN, INC. - TN |
956 |
|
|
|
| 423-631
| A |
Johnson City |
TN |
BUVLTNAX0MD |
792K CHARTER IP ENABLED SERVICES, LLC |
956 |
|
|
|
| 423-632
| A |
Wartburg |
TN |
KNVLTNMAYBX |
204G TWIN LAKES COMMUNICATIONS, INC. - TN |
474 |
|
|
|
| 423-633
| A |
Chattanooga |
TN |
CHTGTNNSXJZ |
073H TELNYX LLC |
472 |
|
|
|
| 423-634
| A |
Chattanooga |
TN |
CHTGTNNSDS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
472 |
|
|
|
| 423-635
| A |
Chattanooga |
TN |
CHTGTNGZ4MD |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
472 |
|
|
|
| 423-636
| A |
Greeneville |
TN |
GRVLTNXADS0 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
|
|
| 423-637
| A |
Chattanooga |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
|
|
| 423-638
| A |
Greeneville |
TN |
GRVLTNXADS0 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
|
|
| 423-639
| A |
Greeneville |
TN |
GRVLTNXADS0 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
|
|
| 423-640
| A |
Sneedville |
TN |
KNVLTNMAYGX |
7421 AT&T - LOCAL |
474 |
|
|
|
| 423-641
| A |
Cleveland |
TN |
CHTGTNNSXFY |
124F BANDWIDTH.COM CLEC, LLC - TN |
472 |
|
|
|
| 423-642
| A |
Chattanooga |
TN |
CHTGTNNSDS1 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
472 |
|
|
|
| 423-643
| A |
Chattanooga |
TN |
CHTITNCDDS0 |
4645 ELECTRIC POWER BOARD OF CHATTANOOGA |
472 |
|
|
|
| 423-644
| A |
Soddy Daisy |
TN |
CHTGTNGZ4MD |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
472 |
|
|
|
| 423-645
| A |
Chattanooga |
TN |
CHTGTNGZ4MD |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
472 |
|
|
|
| 423-646
| A |
Bristol |
TN |
JHCYTNXCX2Y |
8645 SUNCOM DBA T-MOBILE USA |
956 |
|
|
|
| 423-647
| A |
Butler |
TN |
JHCYTNXCX2Y |
8645 SUNCOM DBA T-MOBILE USA |
956 |
|
|
|
| 423-648
| A |
Chattanooga |
TN |
CHTITNCDDS0 |
4645 ELECTRIC POWER BOARD OF CHATTANOOGA |
472 |
|
|
|
| 423-649
| A |
Athens |
TN |
ATHNTNMADS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
474 |
|
|
|
| 423-650
| A |
Cleveland |
TN |
CHTGTN12X5Y |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
472 |
|
|
|
| 423-651
| A |
Jasper |
TN |
CHTGTNNSXKZ |
073H TELNYX LLC |
472 |
|
|
|
| 423-652
| A |
Bristol |
TN |
BRSTTNXADS0 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
|
|
| 423-653
| A |
Chattanooga |
TN |
CHTGTNGZ4MD |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
472 |
|
|
|
| 423-654
| A |
Chattanooga |
TN |
CHTGTNNSY0X |
425J CSC WIRELESS, LLC |
472 |
|
|
|
| 423-655
| A |
Chattanooga |
TN |
CHTGTNMAXTX |
6630 USA MOBILITY WIRELESS, INC. |
472 |
|
|
|
| 423-656
| A |
Johnson City |
TN |
JHCYTNXCY0X |
425J CSC WIRELESS, LLC |
956 |
|
|
|
| 423-657
| A |
Mosheim |
TN |
JHCYTNXCXNX |
124F BANDWIDTH.COM CLEC, LLC - TN |
956 |
|
|
|
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Last updated: Thu, 05 Feb 2026 23:41:55 UTC
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