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.

NPA: 740 [Rate centres in NPA 740] [Dial plan for NPA 740]

NXX: 693

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
740-693 A West Lafayette OH CLMDOH44ZMD  460K FIRST COMMUNICATIONS, LLC 324      
740-693 0 West Lafayette OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2016-04-11   
740-693 1 West Lafayette OH CLMDOH44DS5  284F PEERLESS NETWORK OF OHIO, LLC - OH 324   2013-04-27   
740-693 2 West Lafayette OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2015-07-04   
740-693 3 West Lafayette OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2014-12-05   
740-693 4 West Lafayette OH CLMKOHPE0MD  793K TWC IP ENABLED SERVICES, LLC 324   2007-10-16   
740-693 5 West Lafayette OH CLMBOH11XJZ  516C AT&T CORP. 324   2011-10-05   
740-693 6 West Lafayette OH CLMBOH1125Z  508J CENTURYLINK COMMUNICATIONS, LLC 324   2014-07-07   
740-693 7 West Lafayette OH CLMKOHPE0MD  793K TWC IP ENABLED SERVICES, LLC 324   2013-10-08   
740-693 8 West Lafayette OH CLMDOH44DS5  284F PEERLESS NETWORK OF OHIO, LLC - OH 324   2013-04-27   
740-693 9 West Lafayette OH CLMBOH1143Z  624H ONVOY SPECTRUM, LLC 324   2024-08-02   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.