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.
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Switch: ONTRWIXARS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
608-337 A Ontario WI 0913 BRIGHTSPEED OF MIDWEST WISCONSIN, LLC 354      
608-337 0 Ontario WI 0913 BRIGHTSPEED OF MIDWEST WISCONSIN, LLC 354      
608-337 1 Ontario WI 0913 BRIGHTSPEED OF MIDWEST WISCONSIN, LLC 354      
608-337 2 Ontario WI 0913 BRIGHTSPEED OF MIDWEST WISCONSIN, LLC 354      
608-337 3 Ontario WI 0913 BRIGHTSPEED OF MIDWEST WISCONSIN, LLC 354      
608-337 4 Ontario WI 0913 BRIGHTSPEED OF MIDWEST WISCONSIN, LLC 354      
608-337 5 Ontario WI 0913 BRIGHTSPEED OF MIDWEST WISCONSIN, LLC 354      
608-337 6 Ontario WI 0913 BRIGHTSPEED OF MIDWEST WISCONSIN, LLC 354      
608-337 7 Ontario WI 0913 BRIGHTSPEED OF MIDWEST WISCONSIN, LLC 354      
608-337 9 Ontario WI 0913 BRIGHTSPEED OF MIDWEST WISCONSIN, LLC 354      

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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