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: SNPRWIXADS0

Remotes:

Switch Switch name Switch type
MRSHWIXARS0  MARSHALL  RSC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
608-318 8 Sun Prairie WI 0886 FRONTIER NORTH INC. - WI 354   2009-01-30   
608-825 A Sun Prairie WI 0886 FRONTIER NORTH INC. - WI 354      
608-834 A Sun Prairie WI 0886 FRONTIER NORTH INC. - WI 354      
608-837 A Sun Prairie WI 0886 FRONTIER NORTH INC. - WI 354      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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