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: VISLCA11DS0

Remotes:

Switch Switch name Switch type
ASMTCA11RS0  ASH MOUNTAIN  RLC 
FRVLCA11RS0  FARMERSVILLE  RSC 
GSHNCA11RS0  GOSHEN  RSC 
IVNHCA11RS0  IVANHOE  RSC 
THRRCA11RS0  THREE RIVERS  RSC 
WDLKCA11RS0  WOODLAKE  RSC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date

Last updated: Sat, 02 May 2026 12:20:53 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.