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: RSRVLAXBDS0

Remotes:

Switch Switch name Switch type
GRVLLA11RS0  GARYVILLE  RS 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
985-359 A Laplace LA 3610 RESERVE LONG DIST CO DBA RESERVE TELECOMM - LA 490      
985-479 A Reserve LA 0438 RESERVE TEL. CO. 490      
985-536 A Reserve LA 0438 RESERVE TEL. CO. 490      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.