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: 561

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
979-561 A High Hill TX HSTYTXXADS1  2059 COLORADO VALLEY TEL. COOP., INC. 570      
979-561 0 High Hill TX HSTYTXXADS1  2059 COLORADO VALLEY TEL. COOP., INC. 570      
979-561 1 High Hill TX HSTYTXXADS1  2059 COLORADO VALLEY TEL. COOP., INC. 570      
979-561 2 High Hill TX HSTYTXXADS1  2059 COLORADO VALLEY TEL. COOP., INC. 570      
979-561 3 High Hill TX HSTYTXXADS1  2059 COLORADO VALLEY TEL. COOP., INC. 570      
979-561 4 High Hill TX HSTYTXXADS1  2059 COLORADO VALLEY TEL. COOP., INC. 570      
979-561 5 High Hill TX HSTYTXXADS1  2059 COLORADO VALLEY TEL. COOP., INC. 570      
979-561 6 High Hill TX BRYNTXXAX4X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 570      
979-561 7 High Hill TX BRYNTXXAX4X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 570      
979-561 8 High Hill TX HSTYTXXADS1  2059 COLORADO VALLEY TEL. COOP., INC. 570      
979-561 9 High Hill TX HSTYTXXADS1  2059 COLORADO VALLEY TEL. COOP., INC. 570      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.