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: 236

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
740-236 A Marietta OH   6701 AERIAL COMMUNICATIONS, INC. 324      
740-236 0 Marietta OH   6701 AERIAL COMMUNICATIONS, INC. 324      
740-236 1 Marietta OH CLMDOHZI6MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 324   2005-01-24   
740-236 2 Marietta OH HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2004-11-06   
740-236 3 Marietta OH HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2004-12-17   
740-236 4 Marietta OH CLMDOHZI6MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 324   2003-08-23   
740-236 5 Marietta OH CLMBOH1100Z  7421 AT&T - LOCAL 324   2003-11-10   
740-236 6 Marietta OH   145J TERRA NOVA TELECOM INC. 324   2020-12-31   
740-236 7 Marietta OH CLMFOHJU3MD  6701 AERIAL COMMUNICATIONS, INC. 324      
740-236 8 Marietta OH HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2005-11-14   
740-236 9 Marietta OH CLMDOHZI6MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 324   2005-02-15   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.