Local Calling Guide

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

NXX: 228

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

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

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