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: DYTNOHKTLMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
326-232 A Fairborn OH 460K FIRST COMMUNICATIONS, LLC 328   2024-08-26   
326-232 1 Fairborn OH 460K FIRST COMMUNICATIONS, LLC 328   2024-08-26   
937-343 3 Fairborn OH 460K FIRST COMMUNICATIONS, LLC 328   2010-01-02   
937-668 A Dayton OH 460K FIRST COMMUNICATIONS, LLC 328      
937-668 0 Dayton OH 460K FIRST COMMUNICATIONS, LLC 328   2008-02-10   
937-702 1 Beavercreek OH 460K FIRST COMMUNICATIONS, LLC 328   2012-08-26   

Last updated: Sat, 15 Nov 2025 03:38:44 UTC

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