Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
830-228 A SMVYTXXARS0  2083 GUADALUPE VALLEY TEL. COOP., INC. 566      
830-228 0 BLVRTXXA5MD  903C ONVOY, LLC - TX 566   2023-08-26   
830-228 2 FRBGTXXAUMD  5562 METROPCS, INC. 566   2021-05-14   
830-228 3 SMVYTXXARS0  2083 GUADALUPE VALLEY TEL. COOP., INC. 566      
830-228 4 SMVYTXXARS0  2083 GUADALUPE VALLEY TEL. COOP., INC. 566      
830-228 5 SMVYTXXARS0  2083 GUADALUPE VALLEY TEL. COOP., INC. 566      
830-228 6   6529 T-MOBILE USA, INC. 566   2025-03-10   
830-228 7   793K TWC IP ENABLED SERVICES, LLC 566   2007-07-11   
830-228 8 SNANTXCA94Z  490J DISH WIRELESS, LLC 566   2022-12-16   
830-228 9   6529 T-MOBILE USA, INC. 566   2025-03-10   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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