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.

Kenberg, TX

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
830-336 A KNBGTXXARS0  2083 GUADALUPE VALLEY TEL. COOP., INC. 566      
830-336 2 KNBGTXXARS0  2083 GUADALUPE VALLEY TEL. COOP., INC. 566      
830-336 3 KNBGTXXARS0  2083 GUADALUPE VALLEY TEL. COOP., INC. 566      
830-336 4 KNBGTXXARS0  2083 GUADALUPE VALLEY TEL. COOP., INC. 566      
830-336 5 KNBGTXXARS0  2083 GUADALUPE VALLEY TEL. COOP., INC. 566      
830-336 7 BLVRTXXA5MD  903C ONVOY, LLC - TX 566   2022-10-24   
830-336 9 KNBGTXXARS0  2083 GUADALUPE VALLEY TEL. COOP., INC. 566      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.