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: 931

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
740-931 A Cheshire Center OH DLWROHXAYMD  7443 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 324      
740-931 0 Cheshire Center OH DLWROHXAYMD  7443 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 324   2004-07-15   
740-931 1 Cheshire Center OH DLWROHXAYMD  7443 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 324   2004-07-15   
740-931 2 Cheshire Center OH DLWROHXAYMD  7443 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 324   2004-07-15   
740-931 3 Cheshire Center OH DLWROHXAYMD  7443 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 324   2004-07-15   
740-931 4 Cheshire Center OH DLWROHXAYMD  7443 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 324   2004-07-15   
740-931 5 Cheshire Center OH DLWROHXAYMD  7443 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 324   2004-07-15   
740-931 6 Cheshire Center OH DLWROHXAYMD  7443 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 324   2004-07-15   
740-931 7 Cheshire Center OH DLWROHXAYMD  7443 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 324   2004-07-15   
740-931 8 Cheshire Center OH DLWROHXAYMD  7443 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 324   2004-07-15   
740-931 9 Cheshire Center OH DLWROHXAYMD  7443 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 324   2004-07-15   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.