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]

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-895 2 Elizabethton TN JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956      
423-895 3 Elizabethton TN JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956      
423-895 4 Elizabethton TN JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956      
423-895 5 Elizabethton TN JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956      
423-895 6 Elizabethton TN JHCYTNXCXNX  124F BANDWIDTH.COM CLEC, LLC - TN 956      
423-895 7 Elizabethton TN JHCYTNXCXNX  124F BANDWIDTH.COM CLEC, LLC - TN 956      
423-895 8 Elizabethton TN JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956      
423-895 9 Elizabethton TN JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956      
423-896 A Hampton TN HMPNTNXARS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-896 0 Hampton TN HMPNTNXARS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-896 1 Hampton TN JHCYTNXC9MD  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 956      
423-896 2 Hampton TN JHCYTNXCXNX  124F BANDWIDTH.COM CLEC, LLC - TN 956      
423-896 3 Hampton TN JHCYTNXCXNX  124F BANDWIDTH.COM CLEC, LLC - TN 956      
423-896 4 Hampton TN   081J SKYBEST COMMUNICATIONS, INC. - TN 956      
423-896 5 Hampton TN JHCYTNXCXPX  525E ONVOY, LLC - TN 956      
423-896 7 Hampton TN JHCYTNXCXHY  318J COMCAST IP PHONE, LLC 956      
423-896 8 Hampton TN JHCYTNXCXPX  525E ONVOY, LLC - TN 956      
423-896 9 Hampton TN JHCYTNXCXAY  073H TELNYX LLC 956      
423-897 A Fall Branch TN FLBRTNXARS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-897 0 Fall Branch TN FLBRTNXARS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-897 1 Fall Branch TN JHCYTNXC9MD  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 956      
423-897 2 Fall Branch TN JHCYTNXCXPX  525E ONVOY, LLC - TN 956      
423-897 3 Fall Branch TN JHCYTNXCXNX  124F BANDWIDTH.COM CLEC, LLC - TN 956      
423-897 4 Fall Branch TN JHCYTNXCXAY  073H TELNYX LLC 956      
423-897 5 Fall Branch TN JHCYTNXCX2Y  8645 SUNCOM DBA T-MOBILE USA 956      
423-897 6 Fall Branch TN JHCYTNXCXRX  114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN 956      
423-897 7 Fall Branch TN JHCYTNXCXPX  525E ONVOY, LLC - TN 956      
423-897 8 Fall Branch TN JHCYTNXCXPX  525E ONVOY, LLC - TN 956      
423-897 9 Fall Branch TN JHCYTNXCXPX  525E ONVOY, LLC - TN 956      
423-898 A Charleston TN CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-898 0 Charleston TN   7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-898 1 Charleston TN   490J DISH WIRELESS, LLC 472      
423-898 2 Charleston TN   490J DISH WIRELESS, LLC 472      
423-898 3 Charleston TN   7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-898 4 Charleston TN   7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-898 5 Charleston TN   7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-898 6 Charleston TN   7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-898 7 Charleston TN   7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-898 8 Charleston TN   7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-898 9 Charleston TN CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-899 A Chattanooga TN CHTGTNBRDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 472      
423-900 A Johnson City TN   525E ONVOY, LLC - TN 956      
423-900 0 Johnson City TN   525E ONVOY, LLC - TN 956      
423-900 1 Johnson City TN   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956      
423-900 2 Johnson City TN JHCYTNXCXNX  124F BANDWIDTH.COM CLEC, LLC - TN 956      
423-900 3 Johnson City TN JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956      
423-900 4 Johnson City TN JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956      
423-900 5 Johnson City TN JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956      
423-900 6 Johnson City TN JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956      
423-900 7 Johnson City TN JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956      
423-900 8 Johnson City TN JHCYTNXC9MD  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 956      
423-900 9 Johnson City TN JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956      
423-902 A Chattanooga TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472      
423-903 A Chattanooga TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472      
423-904 A Chattanooga TN CHTGTNNSXMZ  624H ONVOY SPECTRUM, LLC 472      
423-904 0 Chattanooga TN CHTGTNNSXMZ  624H ONVOY SPECTRUM, LLC 472      
423-904 1 Chattanooga TN CHTGTNNSXMZ  624H ONVOY SPECTRUM, LLC 472      
423-904 2 Chattanooga TN CHTGTNNSXMZ  624H ONVOY SPECTRUM, LLC 472      
423-904 3 Chattanooga TN CHTGTNNSXMZ  624H ONVOY SPECTRUM, LLC 472      
423-904 4 Chattanooga TN CHTGTNNSXMZ  624H ONVOY SPECTRUM, LLC 472      
423-904 5 Chattanooga TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472      
423-904 6 Chattanooga TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472      
423-904 7 Chattanooga TN   478J NUSO, LLC 472      
423-904 8 Chattanooga TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472      
423-904 9 Chattanooga TN CHTGTNNSXMZ  624H ONVOY SPECTRUM, LLC 472      
423-905 A Johnson City TN JHCYTNXCXPY  624H ONVOY SPECTRUM, LLC 956      
423-905 0 Johnson City TN JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956      
423-905 1 Johnson City TN JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956      
423-905 2 Johnson City TN JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956      
423-905 3 Johnson City TN JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956      
423-905 4 Johnson City TN JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956      
423-905 5 Johnson City TN JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956      
423-905 6 Johnson City TN JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956      
423-905 7 Johnson City TN JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956      
423-905 8 Johnson City TN JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956      
423-905 9 Johnson City TN JHCYTNXCXPY  624H ONVOY SPECTRUM, LLC 956      
423-906 A Johnson City TN JHCYTNXCXWY  475J CALLWORKS CORPORATION 956      
423-906 0 Johnson City TN JHCYTNXCXPY  624H ONVOY SPECTRUM, LLC 956      
423-906 1 Johnson City TN   475J CALLWORKS CORPORATION 956      
423-906 2 Johnson City TN   478J NUSO, LLC 956      
423-906 3 Johnson City TN   478J NUSO, LLC 956      
423-906 4 Johnson City TN   478J NUSO, LLC 956      
423-906 5 Johnson City TN   478J NUSO, LLC 956      
423-906 6 Johnson City TN   939H COMMIO, LLC 956      
423-906 7 Johnson City TN   939H COMMIO, LLC 956      
423-906 8 Johnson City TN   939H COMMIO, LLC 956      
423-906 9 Johnson City TN   939H COMMIO, LLC 956      
423-907 A La Follette TN LFLTTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-907 0 La Follette TN LFLTTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-907 1 La Follette TN LFLTTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-907 2 La Follette TN KNVLTNMA31Z  6278 UNITED STATES CELLULAR - TN 474      
423-907 3 La Follette TN LFLTTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-907 4 La Follette TN KNVLTNMA31Z  6278 UNITED STATES CELLULAR - TN 474      
423-907 5 La Follette TN LFLTTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-907 6 La Follette TN LFLTTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-907 7 La Follette TN LFLTTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-907 8 La Follette TN LFLTTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-907 9 La Follette TN LFLTTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-908 A Surgoinsville TN   939H COMMIO, LLC 474   2024-03-14   
423-908 0 Surgoinsville TN   939H COMMIO, LLC 474      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 >>

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.