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: BSMRALHTDS0

Remotes:

Switch Switch name Switch type
BRHMALWERS0  BIRMINGHAM WEST END  EXM 
BSMRALBPRS0  BESSEMER BIRMINGPORT  5BR 
BSMRALBURS0  BESSEMER BUCKSVILLE  5BR 
CNVIALMARS0  CENTREVILLE  5BR 
WBTNALNMRS0  WEST BLOCTON  5BR 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
205-491 A Bessemer AL 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 476      
205-497 A Bessemer AL 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 476      
205-744 A Birmingham AL 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 476      

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

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