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: 459

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
740-459 A Caldwell OH CLMFOHJU7MD  6701 AERIAL COMMUNICATIONS, INC. 324      
740-459 0 Caldwell OH CLMFOHJU7MD  6701 AERIAL COMMUNICATIONS, INC. 324      
740-459 1 Caldwell OH CLMFOHJU7MD  6701 AERIAL COMMUNICATIONS, INC. 324      
740-459 3 Caldwell OH CLMFOHJU7MD  5562 METROPCS, INC. 324      
740-459 5 Caldwell OH CLMFOHJU7MD  6701 AERIAL COMMUNICATIONS, INC. 324      
740-459 8 Caldwell OH CLMFOHJU7MD  6701 AERIAL COMMUNICATIONS, INC. 324      
740-459 9 Caldwell OH CLMFOHJU7MD  6701 AERIAL COMMUNICATIONS, INC. 324      

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.