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: 553

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
979-553 A Damon TX DAMNTXXBRS0  2072 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
979-553 1 Damon TX DAMNTXXBRS0  2072 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
979-553 2 Damon TX DAMNTXXBRS0  2072 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
979-553 3 Damon TX DAMNTXXBRS0  2072 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
979-553 4 Damon TX DAMNTXXBRS0  2072 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
979-553 5 Damon TX DAMNTXXBRS0  2072 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
979-553 6 Damon TX KATYTXXA9MD  903C ONVOY, LLC - TX 560   2019-08-13   
979-553 7 Damon TX KATYTXXA9MD  903C ONVOY, LLC - TX 560   2019-08-13   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.