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: BARBWI01DSA

Remotes:

Switch Switch name Switch type
MAZOWI11RS0  MAZOMANIE  4RS 
NFDMWI11RS0  NORTH FREEDOM  4RS 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
608-355 A Baraboo WI 0924 BRIGHTSPEED OF NORTH CENTRAL WISCONSIN, LLC 354      
608-356 A Baraboo WI 0924 BRIGHTSPEED OF NORTH CENTRAL WISCONSIN, LLC 354      

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

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