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: CLMDOH44ZMD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
740-232 1 St Clairsville OH 460K FIRST COMMUNICATIONS, LLC 324   2008-06-02   
740-307 A Ironton OH 460K FIRST COMMUNICATIONS, LLC 324      
740-307 9 Ironton OH 460K FIRST COMMUNICATIONS, LLC 324      
740-313 A Washington Court House OH 460K FIRST COMMUNICATIONS, LLC 324      
740-313 9 Washington Court House OH 460K FIRST COMMUNICATIONS, LLC 324      
740-434 A Marietta OH 460K FIRST COMMUNICATIONS, LLC 324      
740-434 9 Marietta OH 460K FIRST COMMUNICATIONS, LLC 324      
740-539 A Lancaster OH 460K FIRST COMMUNICATIONS, LLC 324      
740-539 9 Lancaster OH 460K FIRST COMMUNICATIONS, LLC 324      
740-610 A Coshocton OH 460K FIRST COMMUNICATIONS, LLC 324      
740-610 9 Coshocton OH 460K FIRST COMMUNICATIONS, LLC 324      
740-794 A Gallipolis OH 460K FIRST COMMUNICATIONS, LLC 324      
740-794 9 Gallipolis OH 460K FIRST COMMUNICATIONS, LLC 324      
740-891 A Zanesville OH 460K FIRST COMMUNICATIONS, LLC 324      
740-891 9 Zanesville OH 460K FIRST COMMUNICATIONS, LLC 324      
740-910 A London OH 460K FIRST COMMUNICATIONS, LLC 324      
740-910 9 London OH 460K FIRST COMMUNICATIONS, LLC 324      
740-996 A Steubenville OH 460K FIRST COMMUNICATIONS, LLC 324      
740-996 9 Steubenville OH 460K FIRST COMMUNICATIONS, LLC 324      
740-997 A Beallsville OH 460K FIRST COMMUNICATIONS, LLC 324      
740-997 9 Beallsville OH 460K FIRST COMMUNICATIONS, LLC 324      

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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