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.

Hancock 906, TX

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
830-906 A HNCCTXXARS0  2083 GUADALUPE VALLEY TEL. COOP., INC. 566      
830-906 2 HNCCTXXARS0  2083 GUADALUPE VALLEY TEL. COOP., INC. 566      
830-906 4 HNCCTXXARS0  2083 GUADALUPE VALLEY TEL. COOP., INC. 566      
830-906 9   145J TERRA NOVA TELECOM INC. 566   2026-04-30   

Last updated: Sun, 17 May 2026 03:26:51 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.