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: 934

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
740-934 A Graysville OH GYVLOH93RS1  9321 OHIO BELL TEL CO 324      
740-934 0 Graysville OH GYVLOH93RS1  9321 OHIO BELL TEL CO 324      
740-934 1 Graysville OH   515J IP HORIZON LLC 324   2016-10-12   
740-934 2 Graysville OH GYVLOH93RS1  9321 OHIO BELL TEL CO 324      
740-934 3 Graysville OH WOTNOH88X0Y  506J TWILIO INTERNATIONAL, INC. 324   2021-06-30   
740-934 4 Graysville OH CLMDOH44DS5  284F PEERLESS NETWORK OF OHIO, LLC - OH 324   2019-11-01   
740-934 5 Graysville OH CLMBOH11XJZ  516C AT&T CORP. 324   2015-04-24   
740-934 6 Graysville OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2014-12-04   
740-934 7 Graysville OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2015-07-04   
740-934 8 Graysville OH CLMDOH448MD  073H TELNYX LLC 324   2017-08-01   
740-934 9 Graysville OH   145J TERRA NOVA TELECOM INC. 324   2020-12-31   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.