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.
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Switch: CHTGTNRBDS0

Remotes:

Switch Switch name Switch type
CHTGTNSMRS0  CHATTANOOGA SIGNAL MOUNTAIN  RS 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
423-870 A Chattanooga TN 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 472      
423-874 A Chattanooga TN 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 472      
423-875 A Chattanooga TN 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 472      
423-876 A Chattanooga TN 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 472      
423-877 A Chattanooga TN 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 472      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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