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: 364

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
979-364 A Calvert TX CLVTTXCLRS0  9533 SOUTHWESTERN BELL 570      
979-364 0 Calvert TX BRYNTXXAQMD  903C ONVOY, LLC - TX 570      
979-364 1 Calvert TX CLVTTXCLRS0  9533 SOUTHWESTERN BELL 570      
979-364 2 Calvert TX CLVTTXCLRS0  9533 SOUTHWESTERN BELL 570      
979-364 3 Calvert TX CLVTTXCLRS0  9533 SOUTHWESTERN BELL 570      
979-364 4 Calvert TX BRYNTXXAQMD  903C ONVOY, LLC - TX 570      
979-364 5 Calvert TX BRYNTXXAQMD  903C ONVOY, LLC - TX 570      
979-364 6 Calvert TX BRYNTXXAPMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 570      
979-364 7 Calvert TX BRYNTXXAQMD  903C ONVOY, LLC - TX 570      
979-364 8 Calvert TX BRYNTX01EMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 570      
979-364 9 Calvert TX BRYNTX01EMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 570      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.