Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-354 A Blountville TN BUVLTNXARS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-355 A Chattanooga TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472      
423-356 A Chattanooga TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472      
423-357 A Church Hill TN CHHLTNXARS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-358 A Rogersville TN KNVLTNTWBMD  6664 SPRINT SPECTRUM L.P. 474      
423-359 A Greeneville TN GRVLTNXADS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-360 A Midway (Sullivan) TN BRSTTN02CM1  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956      
423-361 A Midway (Sullivan) TN BRSTTN02CM1  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956      
423-362 A Chattanooga TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472      
423-363 A Huntsville TN HNVITN010MD  6278 UNITED STATES CELLULAR CORP. - TENNESSEE 474      
423-364 A Chattanooga TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472      
423-365 A Spring City TN SPCYTNMTRS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 472      
423-366 A Bristol TN JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956      
423-367 A Kingsport TN JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956      
423-368 A Athens TN KNVNTN760MD  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474      
423-369 A Oakdale TN OKDLTNXARS0  0565 HIGHLAND TELEPHONE COOPERATIVE, INC. - TN 474      
423-370 A Athens TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474      
423-371 A Sweetwater TN KNVLTNTWBMD  6664 SPRINT SPECTRUM L.P. 474      
423-372 A Jellico TN KNVLTNMANMD  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 474      
423-373 A Bulls Gap TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474      
423-374 A La Follette TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474      
423-375 A Benton TN CHTGTNMAXVX  516C AT&T CORP. 472      
423-376 A Madisonville TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474      
423-377 A La Follette TN LFLTTNBC0MD  6278 UNITED STATES CELLULAR CORP. - TENNESSEE 474      
423-378 A Kingsport TN KGPTTNXADS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-379 A Newport TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474      
423-380 A Cleveland TN CHTGTNNSXFY  124F BANDWIDTH.COM CLEC, LLC - TN 472      
423-381 A Athens TN KNVLTNTWBMD  6664 SPRINT SPECTRUM L.P. 474      
423-382 A Sneedville TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474      
423-383 A Bristol TN JHCYTNXCX2Y  8645 SUNCOM DBA T-MOBILE USA 956      
423-384 A Fall Branch TN JHCYTNXCX2Y  8645 SUNCOM DBA T-MOBILE USA 956      
423-385 A Chattanooga TN CHTGTNKFDS0  8356 US LEC OF TENNESSEE, INC 472      
423-386 A Chattanooga TN CHTGTNNSDS1  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 472      
423-387 A Chattanooga TN CHTGTNSEDS0  6704 METRO BEEPER SERVICE, INC. 472      
423-388 A Erwin TN JHCYTNDJAMD  6664 SPRINT SPECTRUM L.P. 956      
423-389 A Midway (Sullivan) TN BRSTTN02CM1  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956      
423-390 A Kingsport TN KGPTTNXADS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-391 A Bluff City TN BLCYTNXARS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-392 A Kingsport TN KGPTTNXADS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-393 A Bulls Gap TN MRTWTN280MD  704C CHARTER FIBERLINK - TENNESSEE, LLC - TN 474      
423-394 A Chattanooga TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472      
423-395 A Chattanooga TN CHTGTNBRDS0  6630 USA MOBILITY WIRELESS, INC. 472      
423-396 A Collegedale TN CLDLTNXARS5  0574 CENTURYTEL OOLTEWAH-COLLEGEDALE DBA CENTURYLINK 472      
423-397 A Benton TN CHTGTNNSXFY  124F BANDWIDTH.COM CLEC, LLC - TN 472      
423-398 A Kingsport TN JHCYTNDJAMD  6664 SPRINT SPECTRUM L.P. 956      
423-399 A La Follette TN KNVLTNMA78Z  6630 USA MOBILITY WIRELESS, INC. 474      
423-400 A Chattanooga TN CHTGTN100MD  6664 SPRINT SPECTRUM L.P. 472      
423-401 A Soddy Daisy TN CHTGTNKFDS0  8356 US LEC OF TENNESSEE, INC 472      
423-402 A Chattanooga TN CHTGTNNSXFY  124F BANDWIDTH.COM CLEC, LLC - TN 472      
423-403 A South Pittsburg TN CHTGTNNSXFY  124F BANDWIDTH.COM CLEC, LLC - TN 472      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 >>

Last updated: Tue, 04 May 2021 15:04:27 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.