Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 830 [Rate centres in NPA 830] [Dial plan for NPA 830]

NXX: 554

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
830-554 A Blanco TX FRBGTXXAX0X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
830-554 0 Blanco TX FRBGTXXAX0X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
830-554 1 Blanco TX SNANTXCA73Z  939H COMMIO, LLC 566   2023-08-27   
830-554 2 Blanco TX SNANTXCA73Z  939H COMMIO, LLC 566   2024-01-18   
830-554 3 Blanco TX SNANTXCA73Z  939H COMMIO, LLC 566   2024-01-18   
830-554 4 Blanco TX FRBGTXXA0MD  903C ONVOY, LLC - TX 566   2021-09-03   
830-554 6 Blanco TX FRBGTXXARMD  624H ONVOY SPECTRUM, LLC 566   2024-03-18   
830-554 8 Blanco TX FRBGTXXAX0X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2018-07-14   
830-554 9 Blanco TX SNANTXCA34Z  004F BANDWIDTH.COM CLEC, LLC - TX 566   2009-02-21   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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