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: RUDSNMXCPS0

Remotes:

Switch Switch name Switch type
ALTONMXCRP0  ALTO  RP 
CAPTNMXCRP1  CAPITAN  RP 
RDDWNMXCRP0  RUIDOSO DOWNS  RP 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
575-315 A Ruidoso NM 1193 VALOR TELECOM TX,LP-NM #2 DBA WINDSTREAM COMM SW 664      
575-315 1 Ruidoso NM 1193 VALOR TELECOM TX,LP-NM #2 DBA WINDSTREAM COMM SW 664   2011-08-08   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.