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(423)
Enter 7-digit phone number for area code 423 or the complete 10-digit phone number

Phone Prefixes for Area Code 423

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Area code location Company / Service Provider
423-354 Blountville, TN UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN
423-355 Chattanooga, TN NEW CINGULAR WIRELESS PCS, LLC - GA
423-356 Chattanooga, TN NEW CINGULAR WIRELESS PCS, LLC - GA
423-357 CHURCHHILL, TN UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN
423-358 Rogersville, TN SPRINT SPECTRUM L.P.
423-359 Greeneville, TN UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN
423-360 MIDWAY SUL, TN CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN
423-361 MIDWAY SUL, TN CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN
423-362 Chattanooga, TN NEW CINGULAR WIRELESS PCS, LLC - GA
423-363 HUNTSVILLE, TN UNITED STATES CELLULAR CORP. - TENNESSEE
423-364 Chattanooga, TN NEW CINGULAR WIRELESS PCS, LLC - GA
423-365 SPRINGCITY, TN BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL
423-366 BRISTOL, TN NEW CINGULAR WIRELESS PCS, LLC - GA
423-367 KINGSPORT, TN NEW CINGULAR WIRELESS PCS, LLC - GA
423-368 ATHENS, TN CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN
423-369 OAKDALE, TN HIGHLAND TELEPHONE COOPERATIVE, INC. - TN
423-370 ATHENS, TN ALEC, LLC - TN
423-371 SWEETWATER, TN SPRINT SPECTRUM L.P.
423-372 JELLICO, TN ALEC, LLC - TN
423-373 BULLS GAP, TN ALEC, LLC - TN
423-374 LAFOLLETTE, TN ALEC, LLC - TN
423-375 BENTON, TN AT&T CORP.
423-376 Madisonville, TN ALEC, LLC - TN
423-377 LAFOLLETTE, TN UNITED STATES CELLULAR CORP. - TENNESSEE
423-378 KINGSPORT, TN UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN
423-379 NEWPORT, TN ALEC, LLC - TN
423-380 CLEVELAND, TN BANANA COMMUNICATIONS VENTURES, LLC DBA SMART PCS
423-381 ATHENS, TN SPRINT SPECTRUM L.P.
423-382 SNEEDVILLE, TN ALEC, LLC - TN
423-383 BRISTOL, TN SUNCOM DBA T-MOBILE USA
423-384 FALLBRANCH, TN SUNCOM DBA T-MOBILE USA
423-385 Chattanooga, TN US LEC OF TENNESSEE, INC
423-386 Chattanooga, TN BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL
423-387 Chattanooga, TN METRO BEEPER SERVICE, INC.
423-388 ERWIN, TN SPRINT SPECTRUM L.P.
423-389 MIDWAY SUL, TN CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN
423-390 KINGSPORT, TN UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN
423-391 BLUFF CITY, TN UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN
423-392 KINGSPORT, TN UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN
423-393 BULLS GAP, TN CHARTER FIBERLINK - TENNESSEE, LLC - TN
423-394 Chattanooga, TN NEW CINGULAR WIRELESS PCS, LLC - GA
423-395 Chattanooga, TN USA MOBILITY WIRELESS, INC.
423-396 COLLEGEDL, TN CENTURYTEL OOLTEWAH-COLLEGEDALE DBA CENTURYLINK
423-398 KINGSPORT, TN SPRINT SPECTRUM L.P.
423-399 LAFOLLETTE, TN USA MOBILITY WIRELESS, INC.
423-400 Chattanooga, TN SPRINT SPECTRUM L.P.
423-401 SODDYDAISY, TN US LEC OF TENNESSEE, INC
423-402 Chattanooga, TN BANDWIDTH.COM CLEC, LLC - TN
423-403 SO PITTSBG, TN BANDWIDTH.COM CLEC, LLC - TN
423-404 Madisonville, TN NEW CINGULAR WIRELESS PCS, LLC - GA
New numbers being added to 423 area code
Effective: 06/24/2017
423-250 in CLEVELAND, TN
TWIN LAKES COMMUNICATIONS, INC. - TN
Effective: 07/02/2017
423-403 in SO PITTSBG, TN
BANDWIDTH.COM CLEC, LLC - TN
Effective: 06/08/2017
423-769 in GREENEVILLE, TN
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN
Effective: 06/10/2017
423-831 in NEWPORT, TN
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN
423 Area Code Information
Type of code: General Purpose Code
location: TN - US
Time zone: EC
Assigned for use: Yes
Code in service: Yes
Service date: September 11, 1995
In jeopardy: No
Relief in progress: No
NPA Relief status:
Code assignable: Yes
Geographic or
non-geographic:
G
Reserved for future use: No
Planning letter(s): IL94/11-018
Overlay code: No
Overlay complex:
Dialing plan Standard Permissive
Home local calls: 7D NA
Foreign local calls: 10D NA
Home toll calls: 1+10D NA
Foreign toll calls: 1+10D -
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