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: WNDVUTMADS1

Remotes:

Switch Switch name Switch type
DGWYUTMARS0  DUGWAY  SHB 
EURKUTXCRS1  EUREKA  RLC 
GSHNUTXCRS1  GOSHEN  RLC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
435-665 A Wendover UT 2283 SKYLINE TELECOM 660      
775-663 A Wendover NV 791D CENTRAL TELCOM SVCS DBA CENTRACOM INTERACTIVE - NV 660      

Last updated: Sat, 15 Nov 2025 03:38:44 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.