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: RCLDLAMADS0

Remotes:

Switch Switch name Switch type
CHBYLAMARS1  CHACKBAY  RSC 
DULCLAMARS1  DULAC  RSC 
GBSNLAMARS1  GIBSON  RSC 
LBVLLAMARS1  LABADIEVILLE  RSC 
LCPTLAMARS1  LOCKPORT  RSS 
NPVLLAMARS1  NAPOLEONVILLE  RSC 
PRPRLAMARS1  PIERRE PART  RSC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
985-537 A Raceland LA 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 490      

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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