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: 316

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
830-316 A Marion TX SNANTXCA93Z  7421 AT&T - LOCAL 566      
830-316 1 Marion TX   490J DISH WIRELESS, LLC 566   2022-12-19   
830-316 3 Marion TX   903C ONVOY, LLC - TX 566   2021-11-25   
830-316 4 Marion TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 566   2026-01-23   
830-316 6 Marion TX   516J TON80 COMMUNICATIONS, LLC 566   2021-10-29   
830-316 7 Marion TX   624H ONVOY SPECTRUM, LLC 566   2021-12-10   
830-316 8 Marion TX   624H ONVOY SPECTRUM, LLC 566   2021-12-10   
830-316 9 Marion TX   7421 AT&T - LOCAL 566   2021-06-17   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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