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: PRVLARXADS0

Remotes:

Switch Switch name Switch type
BGLWARXARS0  BIGELOW  RSC 
LTITARXARS0  LITTLE ITALY  RSC 
MMLLARXARS0  MAUMELLE  1RC 
NMRDARXARS0  NIMROD  RSC 
PRRYARXARS0  PERRY  1RC 
SFRCARXARS0  FOURCHE  1RC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.