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: NWORLAAVDS0

Remotes:

Switch Switch name Switch type
LLNGLABURS1  LULING BOUTTE  EXM 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
504-342 A New Orleans LA 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 490      
504-428 A Kenner LA 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 490      
504-431 A Kenner LA 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 490      
504-436 A New Orleans LA 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 490      
504-437 A New Orleans LA 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 490      

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

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