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: SSBYWIXADS0

Remotes:

Switch Switch name Switch type
BLHRWIXARS0  BAILEYS HARBOR  GTR 
EGHRWIXARS0  EGG HARBOR  GTR 
JCPTWIXARL0  JACKSONPORT  GTR 
WAISWIXARS0  WASHINGTON ISLAND  GTR 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
920-854 A Sister Bay WI 0886 FRONTIER NORTH INC. - WI 350      
920-854 1 Sister Bay WI 0886 FRONTIER NORTH INC. - WI 350      
920-854 2 Sister Bay WI 0886 FRONTIER NORTH INC. - WI 350      
920-854 4 Sister Bay WI 0886 FRONTIER NORTH INC. - WI 350      
920-854 5 Sister Bay WI 0886 FRONTIER NORTH INC. - WI 350      
920-854 6 Sister Bay WI 0886 FRONTIER NORTH INC. - WI 350      
920-854 7 Sister Bay WI 0886 FRONTIER NORTH INC. - WI 350      
920-854 9 Sister Bay WI 0886 FRONTIER NORTH INC. - WI 350      

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

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