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: 903 [Rate centres in NPA 903] [Dial plan for NPA 903]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
903-224 A Cash TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
903-224 0 Cash TX   903C ONVOY, LLC - TX 552   2013-02-02   
903-224 1 Cash TX   903C ONVOY, LLC - TX 552   2012-06-09   
903-224 2 Cash TX   004F BANDWIDTH.COM CLEC, LLC - TX 552   2008-10-13   
903-224 3 Cash TX   903C ONVOY, LLC - TX 552   2011-11-26   
903-224 4 Cash TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2004-07-16   
903-224 5 Cash TX   004F BANDWIDTH.COM CLEC, LLC - TX 552   2009-02-21   
903-224 6 Cash TX   004F BANDWIDTH.COM CLEC, LLC - TX 552   2010-03-07   
903-224 7 Cash TX   903C ONVOY, LLC - TX 552   2009-03-07   
903-224 8 Cash TX   004F BANDWIDTH.COM CLEC, LLC - TX 552   2011-03-20   
903-224 9 Cash TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2008-02-13   

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.