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: 284

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
740-284 A Steubenville OH SBVIOH28DS1  9321 OHIO BELL TEL CO 324      
740-284 0 Steubenville OH SBVIOH28DS1  9321 OHIO BELL TEL CO 324      
740-284 1 Steubenville OH SBVIOH28DS1  9321 OHIO BELL TEL CO 324      
740-284 2 Steubenville OH CLMFOHJU3MD  6701 AERIAL COMMUNICATIONS, INC. 324   2009-03-12   
740-284 3 Steubenville OH SBVIOH28DS1  9321 OHIO BELL TEL CO 324      
740-284 4 Steubenville OH CLMFOHJU3MD  6701 AERIAL COMMUNICATIONS, INC. 324   2014-09-20   
740-284 5 Steubenville OH SBVIOH28DS1  9321 OHIO BELL TEL CO 324      
740-284 6 Steubenville OH CLMFOHJU3MD  6701 AERIAL COMMUNICATIONS, INC. 324   2014-09-20   
740-284 7 Steubenville OH SBVIOH28DS1  9321 OHIO BELL TEL CO 324      
740-284 8 Steubenville OH   464C ONVOY, LLC - OH 324   2024-03-07   
740-284 9 Steubenville OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2023-10-27   

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.