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.

Chattanooga, TN

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
423-497 1 CHTGTNNSX8X  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 472   2018-04-06   
423-497 2 CHTGTN12X5Y  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2017-05-01   
423-497 3 CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2019-06-23   
423-497 4 CHTGTN12X5Y  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2017-06-07   
423-497 5 CHTITNCDDS0  4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2019-04-01   
423-497 6 CHTGTN12X5Y  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2017-07-05   
423-497 7 CHTGTN12X5Y  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2017-07-05   
423-497 8 CHTITNCDDS0  4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2020-07-23   
423-497 9 CHTGTNNSXCZ  5562 METROPCS, INC. 472   2017-03-27   
423-498 A CHTITNCDDS0  4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472      
423-498 0 CHTGTNNSXMZ  624H ONVOY SPECTRUM, LLC 472   2022-08-08   
423-498 1 CHTITNCDDS0  4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2017-03-25   
423-498 2 CHTITNCDDS0  4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2017-03-25   
423-498 3 CHTITNCDDS0  4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2017-03-25   
423-498 4 CHTITNCDDS0  4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2017-03-25   
423-498 5 CHTITNCDDS0  4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2017-03-25   
423-498 6 CHTGTNNSX8X  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 472   2017-03-26   
423-498 7 CHTGTNNSX8X  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 472   2017-05-18   
423-498 8 CHTGTNNSXMZ  624H ONVOY SPECTRUM, LLC 472   2022-09-16   
423-498 9 CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2017-07-07   
423-499 A CHTGTNBRDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 472      
423-503 A CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-503 0 CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-503 1 CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-503 2 CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-503 3 CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-503 4 CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-503 5 CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-503 6 CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-503 7 CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-503 8 CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-503 9 CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-504 A CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-504 0 CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-504 1 CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-504 2 CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-504 3 CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-504 4 CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-504 5 CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-504 6 CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-504 7 CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-504 8 CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-504 9 CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-505 A CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-505 0 CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-505 1 CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-505 2 CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-505 3 CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-505 4 CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-505 5 CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-505 6 CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-505 7 CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-505 8 CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-505 9 CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-508 A CHTGTNKVDS0  114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN 472      
423-508 0 CHTGTNKVDS0  114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN 472      
423-508 1 CHTGTNKVDS0  114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN 472      
423-508 2 CHTGTN12X5Y  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2006-08-05   
423-508 3 CHTGTNKVDS0  114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN 472      
423-508 4 CHTGTN12X5Y  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2006-08-05   
423-508 5 CHTGTN12X5Y  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2006-02-07   
423-508 6 CHTGTNKVDS0  114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN 472      
423-508 7 CHTGTNNSXCZ  5562 METROPCS, INC. 472   2014-10-24   
423-508 8 CHTGTNNSXRZ  318J COMCAST IP PHONE, LLC 472   2009-04-05   
423-508 9 CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472   2007-09-01   
423-509 A CHTGTNNSXKY  525E ONVOY, LLC - TN 472      
423-509 0 CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2008-12-08   
423-509 1 CHTGTN12X5Y  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2009-10-04   
423-509 2 CHTGTN12X5Y  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2009-04-05   
423-509 3 CHTGTN12X5Y  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2009-10-04   
423-509 4 CHTGTN12X5Y  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2009-10-04   
423-509 5 CHTGTN12X5Y  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2009-10-04   
423-509 6 CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2009-10-02   
423-509 7 CHTGTN12X5Y  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2010-01-29   
423-509 8 CHTGTNNSXFY  124F BANDWIDTH.COM CLEC, LLC - TN 472   2010-10-08   
423-509 9 CHTGTN12X5Y  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2011-03-06   
423-510 A CHTGTNBRDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 472      
423-514 A CHTGTNMAXTX  6630 USA MOBILITY WIRELESS, INC. 472      
423-517 A CHTGTNSMRS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 472      
423-521 A CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-521 0 CHTGTNNSXFY  124F BANDWIDTH.COM CLEC, LLC - TN 472   2008-11-28   
423-521 1 CHTGTNNSXFY  124F BANDWIDTH.COM CLEC, LLC - TN 472   2010-11-19   
423-521 2 CHTGTNNSXFY  124F BANDWIDTH.COM CLEC, LLC - TN 472   2010-11-19   
423-521 3 CHTITNCDDS0  4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2010-02-23   
423-521 4 CHTITNCDDS0  4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2010-04-12   
423-521 5 CHTGTNNSXFY  124F BANDWIDTH.COM CLEC, LLC - TN 472   2010-03-08   
423-521 6 CHTITNCDDS0  4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2010-04-12   
423-521 7 CHTITNCDDS0  4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2011-07-08   
423-521 8 CHTITNCDDS0  4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2011-07-08   
423-521 9 CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472   2008-08-16   
423-531 A CHTITNCDDS0  4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472      
423-531 0 CHTITNCDDS0  4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2011-10-07   
423-531 1 CHTITNCDDS0  4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2008-11-23   
423-531 2 CHTITNCDDS0  4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2010-08-02   
423-531 3 CHTGTNNSXRZ  318J COMCAST IP PHONE, LLC 472   2011-03-28   
423-531 4 CHTITNCDDS0  4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2011-03-18   
423-531 5 CHTITNCDDS0  4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2010-08-02   
423-531 6 CHTITNCDDS0  4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2011-10-07   
423-531 7 CHTITNCDDS0  4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2011-03-18   
423-531 8 CHTGTNNSXRZ  318J COMCAST IP PHONE, LLC 472   2011-03-28   

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

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.