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: 979 [Rate centres in NPA 979] [Dial plan for NPA 979]

NXX: 200

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
979-200 A Caldwell TX BRYNTXXAX4X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 570      
979-200 0 Caldwell TX BRYNTXXAX4X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 570      
979-200 1 Caldwell TX BRYNTXXAX4X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 570      
979-200 2 Caldwell TX BRYNTXXAQMD  903C ONVOY, LLC - TX 570   2014-09-30   
979-200 3 Caldwell TX BRYNTXXAQMD  903C ONVOY, LLC - TX 570   2011-11-22   
979-200 4 Caldwell TX BRYNTXXAQMD  903C ONVOY, LLC - TX 570   2013-07-15   
979-200 5 Caldwell TX BRYNTXXAX4X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 570   2020-05-09   
979-200 6 Caldwell TX BRYNTXXAQMD  903C ONVOY, LLC - TX 570   2014-09-30   
979-200 7 Caldwell TX BRYNTX01VMD  327E YMAX COMMUNICATIONS CORP. - TX 570   2011-04-03   
979-200 8 Caldwell TX BRYNTXXAX4X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 570   2015-03-05   
979-200 9 Caldwell TX BRYNTXXAX4X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 570      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.