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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OCN: 0964 FRONTIER COMMUNICATIONS OF WISCONSIN LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
715-823 A Clintonville WI CIVLWIXADS0  350      
715-823 1 Clintonville WI   350      
715-823 2 Clintonville WI   350      
715-823 3 Clintonville WI   350      
715-823 4 Clintonville WI   350      
715-823 5 Clintonville WI   350      
715-823 6 Clintonville WI   350      
715-823 7 Clintonville WI   350      
715-823 8 Clintonville WI   350      
715-823 9 Clintonville WI   350      

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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