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: 884

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
979-884 A Dime Box TX DMBXTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 570      
979-884 0 Dime Box TX DMBXTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 570      
979-884 1 Dime Box TX DMBXTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 570      
979-884 2 Dime Box TX DMBXTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 570      
979-884 3 Dime Box TX DMBXTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 570      
979-884 4 Dime Box TX BRYNTXXAQMD  903C ONVOY, LLC - TX 570   2015-08-19   
979-884 5 Dime Box TX BRYNTXXAQMD  903C ONVOY, LLC - TX 570   2020-08-24   
979-884 6 Dime Box TX BRYNTX05X0X  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 570   2019-03-07   
979-884 7 Dime Box TX BRYNTX01VMD  327E YMAX COMMUNICATIONS CORP. - TX 570   2011-04-03   
979-884 8 Dime Box TX BRYNTXXAQMD  903C ONVOY, LLC - TX 570   2020-08-24   

Last updated: Sun, 17 May 2026 03:26:51 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.