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.

Saturn, TX

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
830-540 A STRNTXXARS0  2083 GUADALUPE VALLEY TEL. COOP., INC. 566      
830-540 0 STRNTXXARS0  2083 GUADALUPE VALLEY TEL. COOP., INC. 566      
830-540 1 BLVRTXXA5MD  903C ONVOY, LLC - TX 566   2022-11-07   
830-540 3 STRNTXXARS0  2083 GUADALUPE VALLEY TEL. COOP., INC. 566      
830-540 4 STRNTXXARS0  2083 GUADALUPE VALLEY TEL. COOP., INC. 566      
830-540 5 BLVRTXXA5MD  903C ONVOY, LLC - TX 566   2022-11-07   
830-540 6 STRNTXXARS0  2083 GUADALUPE VALLEY TEL. COOP., INC. 566      
830-540 8 STRNTXXARS0  2083 GUADALUPE VALLEY TEL. COOP., INC. 566      
830-540 9 STRNTXXARS0  2083 GUADALUPE VALLEY TEL. COOP., INC. 566      

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.