Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Smithson Valley 904, TX

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
830-904 A SMVYTXXARS0  2083 GUADALUPE VALLEY TEL. COOP., INC. 566      
830-904 2 SMVYTXXARS0  2083 GUADALUPE VALLEY TEL. COOP., INC. 566      
830-904 4 SMVYTXXARS0  2083 GUADALUPE VALLEY TEL. COOP., INC. 566      
830-904 5 BLVRTXXA5MD  903C ONVOY, LLC - TX 566   2022-01-08   
830-904 7 SMVYTXXARS0  2083 GUADALUPE VALLEY TEL. COOP., INC. 566      
830-904 8 BLVRTXXA5MD  903C ONVOY, LLC - TX 566   2022-09-26   
830-904 9   145J TERRA NOVA TELECOM INC. 566   2025-08-29   

Last updated: Fri, 10 Jul 2026 02:55:48 UTC

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