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: 830 [Rate centres in NPA 830] [Dial plan for NPA 830]

NXX: 437

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
830-437 A Cost TX COSTTXXARS0  2083 GUADALUPE VALLEY TEL. COOP., INC. 566      
830-437 0 Cost TX COSTTXXARS0  2083 GUADALUPE VALLEY TEL. COOP., INC. 566      
830-437 2 Cost TX COSTTXXARS0  2083 GUADALUPE VALLEY TEL. COOP., INC. 566      
830-437 3 Cost TX BLVRTXXA5MD  903C ONVOY, LLC - TX 566      
830-437 4 Cost TX COSTTXXARS0  2083 GUADALUPE VALLEY TEL. COOP., INC. 566      
830-437 5 Cost TX COSTTXXARS0  2083 GUADALUPE VALLEY TEL. COOP., INC. 566      
830-437 6 Cost TX COSTTXXARS0  2083 GUADALUPE VALLEY TEL. COOP., INC. 566      
830-437 7 Cost TX COSTTXXARS0  2083 GUADALUPE VALLEY TEL. COOP., INC. 566      
830-437 8 Cost TX COSTTXXARS0  2083 GUADALUPE VALLEY TEL. COOP., INC. 566      
830-437 9 Cost TX COSTTXXARS0  2083 GUADALUPE VALLEY TEL. COOP., INC. 566      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.