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: 899

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
979-899 A Calvert TX BRYNTXXAXJX  965H FRACTEL, LLC 570      
979-899 0 Calvert TX BRYNTXXAXEX  073H TELNYX LLC 570      
979-899 1 Calvert TX BRYNTXXAQMD  903C ONVOY, LLC - TX 570      
979-899 2 Calvert TX BRYNTXXAQMD  903C ONVOY, LLC - TX 570      
979-899 3 Calvert TX BRYNTXXAQMD  903C ONVOY, LLC - TX 570      
979-899 5 Calvert TX BRYNTXXAXGX  624H ONVOY SPECTRUM, LLC 570      
979-899 6 Calvert TX BRYNTXXAXGX  624H ONVOY SPECTRUM, LLC 570      
979-899 7 Calvert TX BRYNTXXAXGX  624H ONVOY SPECTRUM, LLC 570      
979-899 9 Calvert TX BRYNTXXAXJX  965H FRACTEL, LLC 570      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.