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.

Old Fort, OH

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
419-493 A DFNCOHBZDS0  2094 QUALSTAR COMMUNICATIONS, INC. - OH 326      
419-580 A OLFTOHXARP0  0661 UNITED TEL. CO. OF OHIO DBA CENTURYLINK 326      
419-580 0 OLFTOHXARP0  0661 UNITED TEL. CO. OF OHIO DBA CENTURYLINK 326      
419-580 1 TOLDOHIR3MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 326   2007-02-10   
419-580 2 NPLNOHXAOMD  547D TIME WARNER CABLE INFORMATION SVCS (OHIO) - OH 326   2007-08-30   
419-580 6 TOLDOHPGPS0  7608 BUCKEYE TELESYSTEM, INC. - OH 326   2015-01-02   
419-580 7 NPLNOHXARMD  508J CENTURYLINK COMMUNICATIONS, LLC 326   2014-04-12   
419-580 8 TOLDOH21DS4  284F PEERLESS NETWORK OF OHIO, LLC - OH 326   2014-01-02   
419-992 A OLFTOHXARP0  0661 UNITED TEL. CO. OF OHIO DBA CENTURYLINK 326      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.