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: MTVWARXADS0

Remotes:

Switch Switch name Switch type
ALSNARXARS0  ALLISON  A5S 
FFSXARXARS0  FIFTY SIX  A5S 
FOX ARXARS0  FOX  A5S 
PLGVARXARS0  PLEASANT GROVE  A5S 
PRIMARXARS0  PRIM  A5S 
SNLDARXARS0  SUNNYLAND  A5S 
TMBOARXARS0  TIMBO  A5S 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
870-269 A Mountain View AR 1712 MOUNTAIN VIEW TELEPHONE COMPANY 528      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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