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: 280

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
830-280 A Sabina TX SNANTXCA34Z  004F BANDWIDTH.COM CLEC, LLC - TX 566      
830-280 0 Sabina TX SNANTXCA34Z  004F BANDWIDTH.COM CLEC, LLC - TX 566   2020-05-21   
830-280 1 Sabina TX BLVRTXXA5MD  903C ONVOY, LLC - TX 566   2022-01-08   
830-280 2 Sabina TX   145J TERRA NOVA TELECOM INC. 566   2025-08-29   
830-280 8 Sabina TX SNAQTXKY7MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 566   2021-05-27   

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

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