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: 633

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
830-633 A Utopia TX SNANTXCA88Z  516J TON80 COMMUNICATIONS, LLC 566      
830-633 3 Utopia TX SNANTXCA88Z  516J TON80 COMMUNICATIONS, LLC 566   2022-04-24   
830-633 6 Utopia TX   145J TERRA NOVA TELECOM INC. 566   2025-08-24   

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

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