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: TLLHTNMADS0

Remotes:

Switch Switch name Switch type
LYBGTNMTRS0  LYNCHBURG  ORM 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
931-393 A Tullahoma TN 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 470      
931-408 A Tullahoma TN 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 470      
931-454 A Tullahoma TN 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 470      
931-455 A Tullahoma TN 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 470      
931-461 A Tullahoma TN 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 470      

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

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