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 |
| 423-817
| A |
Kingsport |
TN |
JHCYTNXCX2Y |
5562 METROPCS, INC. |
956 |
|
|
|
| 423-818
| A |
Jellico |
TN |
KNVNTNECDMD |
276F PEERLESS NETWORK OF TENNESSEE, LLC - TN |
474 |
|
|
|
| 423-819
| A |
Cleveland |
TN |
CHTGTN12X8Y |
732J NUSO, LLC |
472 |
|
|
|
| 423-820
| A |
Greeneville |
TN |
JHCYTNXCXPX |
525E ONVOY, LLC - TN |
956 |
|
|
|
| 423-821
| A |
Chattanooga |
TN |
CHTGTNSEDS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
472 |
|
|
|
| 423-822
| A |
Chattanooga |
TN |
CHTGTNSEDS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
472 |
|
|
|
| 423-823
| A |
Greeneville |
TN |
JHCYTNXCX2Y |
8645 SUNCOM DBA T-MOBILE USA |
956 |
|
|
|
| 423-824
| A |
Erwin |
TN |
JHCYTNXCXPX |
525E ONVOY, LLC - TN |
956 |
|
|
|
| 423-825
| A |
Chattanooga |
TN |
CHTGTNSEDS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
472 |
|
|
|
| 423-826
| A |
Chattanooga |
TN |
CHTGTNNS04Z |
829J PAETEC ITEL, LLC |
472 |
|
2024-12-05 |
|
| 423-827
| A |
Chattanooga |
TN |
CHTGTNRODS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
472 |
|
|
|
| 423-829
| A |
Charleston |
TN |
CHTGTNGZ4MD |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
472 |
|
|
|
| 423-830
| A |
Kingsport |
TN |
JHCYTNXCXPX |
525E ONVOY, LLC - TN |
956 |
|
|
|
| 423-831
| A |
Greeneville |
TN |
JHCYTNXCXXY |
732J NUSO, LLC |
956 |
|
|
|
| 423-832
| A |
Clinchport |
TN |
KNVNTNEC6MD |
516J TON80 COMMUNICATIONS, LLC |
244 |
|
|
|
| 423-833
| A |
Johnson City |
TN |
JHCYTNXCX2Y |
8645 SUNCOM DBA T-MOBILE USA |
956 |
|
|
|
| 423-834
| A |
Chattanooga |
TN |
CHTGTN78DS0 |
2757 CENTURYLINK COMMUNICATIONS LLC - TN |
472 |
|
|
|
| 423-835
| A |
Bristol |
TN |
JHCYTNXCXYX |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
956 |
|
|
|
| 423-836
| A |
Sweetwater |
TN |
KNVLTNIIAMD |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
474 |
|
|
|
| 423-837
| A |
South Pittsburg |
TN |
SPBGTNMARS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
472 |
|
|
|
| 423-838
| A |
Chattanooga |
TN |
CHTGTNGZ4MD |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
472 |
|
|
|
| 423-839
| A |
Morristown |
TN |
MRTWTN281MD |
792K CHARTER IP ENABLED SERVICES, LLC |
474 |
|
2025-01-23 |
|
| 423-840
| A |
Butler |
TN |
JHCYTNXCXPX |
525E ONVOY, LLC - TN |
956 |
|
|
|
| 423-841
| A |
Mountain City |
TN |
JHCYTNXCX2Y |
8645 SUNCOM DBA T-MOBILE USA |
956 |
|
|
|
| 423-842
| A |
Chattanooga |
TN |
CHTGTNMVDS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
472 |
|
|
|
| 423-843
| A |
Chattanooga |
TN |
CHTGTNMVDS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
472 |
|
|
|
| 423-844
| A |
Bristol |
TN |
BRSTTNXADS0 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
|
|
| 423-845
| A |
Bristol |
TN |
JHCYTNXCXIY |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
956 |
|
|
|
| 423-846
| A |
Chattanooga |
TN |
CHTGTNBRDS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
472 |
|
|
|
| 423-847
| A |
Chattanooga |
TN |
CHTGTNMVDS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
472 |
|
|
|
| 423-848
| A |
Johnson City |
TN |
JHCYTNXCXTY |
622J SKYE TELECOM LLC DBA SKYETEL |
956 |
|
|
|
| 423-849
| A |
Johnson City |
TN |
JHCYTNXCXYX |
6214 NEW CINGULAR WIRELESS PCS, LLC - GA |
956 |
|
|
|
| 423-850
| A |
Jonesboro |
TN |
JHCYTNXCXPX |
525E ONVOY, LLC - TN |
956 |
|
|
|
| 423-851
| A |
New Tazewell |
TN |
NWTZTNXADS1 |
0557 BRIGHTSPEED OF EASTERN TENNESSEE, LLC |
474 |
|
|
|
| 423-852
| A |
Dunlap |
TN |
CHTGTNNSX8X |
4806 LEVEL 3 COMMUNICATIONS, LLC - TN |
472 |
|
|
|
| 423-853
| A |
Johnson City |
TN |
JHCYTNXCXMY |
506J TWILIO INTERNATIONAL, INC. |
956 |
|
|
|
| 423-854
| A |
Johnson City |
TN |
JHCYTNXCPS0 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
|
|
| 423-855
| A |
Chattanooga |
TN |
CHTGTNBRDS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
472 |
|
|
|
| 423-856
| A |
Athens |
TN |
KNVLTNWHX6X |
7476 POWERTEL NASHVILLE LICENSES, INC. |
474 |
|
|
|
| 423-857
| A |
Kingsport |
TN |
KGPTTNXADS0 |
4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN |
956 |
|
|
|
| 423-858
| A |
Blountville |
TN |
JHCYTNXCXPX |
525E ONVOY, LLC - TN |
956 |
|
|
|
| 423-859
| A |
Rogersville |
TN |
KNVLTNMA49Z |
525E ONVOY, LLC - TN |
474 |
|
|
|
| 423-860
| A |
Chattanooga |
TN |
CHTGTN12X2Y |
939H COMMIO, LLC |
472 |
|
|
|
| 423-862
| A |
Spring City |
TN |
CHTGTNNSXKY |
525E ONVOY, LLC - TN |
472 |
|
|
|
| 423-863
| A |
Kingsport |
TN |
JHCYTNXCXIY |
6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN |
956 |
|
|
|
| 423-864
| A |
Decatur |
TN |
CHTGTNNSXMZ |
624H ONVOY SPECTRUM, LLC |
472 |
|
|
|
| 423-866
| A |
Niota |
TN |
KNVLTNMAYHX |
318J COMCAST IP PHONE, LLC |
474 |
|
|
|
| 423-867
| A |
Chattanooga |
TN |
CHTGTNRODS0 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
472 |
|
|
|
| 423-868
| A |
Mosheim |
TN |
JHCYTNXCXPX |
525E ONVOY, LLC - TN |
956 |
|
|
|
| 423-869
| A |
Cumberland Gap |
TN |
CLDGTNMADS1 |
9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL |
466 |
|
|
|
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Last updated: Thu, 05 Feb 2026 23:41:55 UTC
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