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.

Switch: CHTGTNNSXCZ

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
423-227 A Chattanooga TN 7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-255 A Chattanooga TN 7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-313 A Chattanooga TN 7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-314 A Chattanooga TN 7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-316 A Chattanooga TN 7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-331 A Cleveland TN 7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-400 A Chattanooga TN 7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-421 A Chattanooga TN 5562 METROPCS, INC. 472      
423-432 A Chattanooga TN 7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-464 A Cleveland TN 7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-475 A Chattanooga TN 7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-497 A Chattanooga TN 5562 METROPCS, INC. 472      
423-503 A Chattanooga TN 7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-504 A Chattanooga TN 7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-505 A Chattanooga TN 7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-521 A Chattanooga TN 7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-544 A Chattanooga TN 7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-593 A Chattanooga TN 7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-595 A Chattanooga TN 7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-708 A Chattanooga TN 5562 METROPCS, INC. 472      
423-749 A Collegedale TN 5562 METROPCS, INC. 472      
423-889 A Cleveland TN 7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-898 A Charleston TN 7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-951 A Charleston TN 7473 POWERTEL ATLANTA LICENSES, INC. 472   2024-07-21   
762-395 A Rossville GA 7473 POWERTEL ATLANTA LICENSES, INC. 472   2024-06-30   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.