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: CLWLOHXARS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
740-732 A Caldwell OH 0615 FRONTIER NORTH, INC. - OH 324      
740-732 0 Caldwell OH 0615 FRONTIER NORTH, INC. - OH 324      
740-732 1 Caldwell OH 0615 FRONTIER NORTH, INC. - OH 324      
740-732 2 Caldwell OH 0615 FRONTIER NORTH, INC. - OH 324      
740-732 3 Caldwell OH 0615 FRONTIER NORTH, INC. - OH 324      
740-732 4 Caldwell OH 0615 FRONTIER NORTH, INC. - OH 324      
740-732 5 Caldwell OH 0615 FRONTIER NORTH, INC. - OH 324      
740-732 6 Caldwell OH 0615 FRONTIER NORTH, INC. - OH 324      
740-732 7 Caldwell OH 0615 FRONTIER NORTH, INC. - OH 324      
740-732 9 Caldwell OH 0615 FRONTIER NORTH, INC. - OH 324      

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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