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: WSWOOHXADS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
330-331 1 Wadsworth OH 0615 FRONTIER NORTH, INC. - OH 325   2006-02-03   
330-334 A Wadsworth OH 0615 FRONTIER NORTH, INC. - OH 325      
330-335 A Wadsworth OH 0615 FRONTIER NORTH, INC. - OH 325      
330-336 A Wadsworth OH 0615 FRONTIER NORTH, INC. - OH 325      

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

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