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: 744

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
740-744 A Chesapeake OH HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324      
740-744 0 Chesapeake OH HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2021-01-18   
740-744 1 Chesapeake OH HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2021-01-18   
740-744 2 Chesapeake OH HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2020-01-24   
740-744 3 Chesapeake OH HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2020-01-13   
740-744 4 Chesapeake OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2018-09-20   
740-744 5 Chesapeake OH HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2019-05-10   
740-744 6 Chesapeake OH HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2018-04-08   
740-744 7 Chesapeake OH HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2017-09-24   
740-744 8 Chesapeake OH HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2016-09-10   
740-744 9 Chesapeake OH HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2016-06-19   

Last updated: Mon, 01 Apr 2024 02:18:34 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.