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: 503 [Rate centres in NPA 503] [Dial plan for NPA 503]

NXX: 714

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
503-714 A Dayton OR PTLGORIAAMD  8656 GLOBAL CROSSING LOCAL SERVICES, INC. - OR 672      
503-714 0 Dayton OR PTLGORIAAMD  8656 GLOBAL CROSSING LOCAL SERVICES, INC. - OR 672      
503-714 1 Dayton OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672   2016-05-12   
503-714 2 Dayton OR THDLORXADMD  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672   2016-11-10   
503-714 3 Dayton OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672   2019-05-26   
503-714 4 Dayton OR PTLDOR13XFX  318J COMCAST IP PHONE, LLC 672   2006-05-07   
503-714 5 Dayton OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672   2012-04-01   
503-714 6 Dayton OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672   2013-04-29   
503-714 7 Dayton OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2018-04-29   
503-714 8 Dayton OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672   2018-06-08   
503-714 9 Dayton OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2019-11-08   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.