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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: GNFDOHBI0MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
937-364 5 Lynchburg OH 601G HORIZON SERVICES, INC. - OH 328   2013-01-31   
937-780 0 Leesburg OH 601G HORIZON SERVICES, INC. - OH 328   2013-01-31   
937-803 A Greenfield OH 601G HORIZON SERVICES, INC. - OH 328      
937-803 1 Greenfield OH 601G HORIZON SERVICES, INC. - OH 328   2013-01-31   

Last updated: Fri, 13 May 2022 22:16:13 UTC

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