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.

Switch: HSTTTXNLPS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
281-501 A Houston TX 8625 COMCAST PHONE OF TEXAS, LLC - TX 560   2007-02-14   
281-624 A Bammel TX 8625 COMCAST PHONE OF TEXAS, LLC - TX 560   2012-10-05   
281-918 A Beach City EMS TX 8625 COMCAST PHONE OF TEXAS, LLC - TX 560   2007-05-25   
281-942 A Seabrook TX 8625 COMCAST PHONE OF TEXAS, LLC - TX 560      
832-659 A Houston TX 8625 COMCAST PHONE OF TEXAS, LLC - TX 560      
979-665 A Freeport TX 8625 COMCAST PHONE OF TEXAS, LLC - TX 560      

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.