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: 337

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
740-337 A Toronto OH   460K FIRST COMMUNICATIONS, LLC 324      
740-337 0 Toronto OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324      
740-337 1 Toronto OH CLMBOH11XLZ  001F BANDWIDTH.COM CLEC, LLC - OH 324      
740-337 2 Toronto OH CLMBOHFQDS2  7532 TELEPORT COMMUNICATIONS AMERICA, LLC - OH 324      
740-337 3 Toronto OH CLMDOH44DS5  284F PEERLESS NETWORK OF OHIO, LLC - OH 324      
740-337 4 Toronto OH CLMDOHZI6MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 324      
740-337 5 Toronto OH CLMBOH11X6Z  7836 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 324      
740-337 6 Toronto OH CLMBOH11XLZ  001F BANDWIDTH.COM CLEC, LLC - OH 324      
740-337 7 Toronto OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324      
740-337 8 Toronto OH CLMDOH44DS5  284F PEERLESS NETWORK OF OHIO, LLC - OH 324      
740-337 9 Toronto OH   624H ONVOY SPECTRUM, LLC 324      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.