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: LAUROHXARS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
937-947 A Laura OH 0615 FRONTIER NORTH, INC. - OH 328      
937-947 1 Laura OH 0615 FRONTIER NORTH, INC. - OH 328      
937-947 2 Laura OH 0615 FRONTIER NORTH, INC. - OH 328      

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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