Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 234 [Rate centres in NPA 234] [Dial plan for NPA 234]

NXX: 416

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
234-416 A Hiram OH NWPHOHXAMMD  612K CSC VOICE, LLC 325      
234-416 1 Hiram OH   612K CSC VOICE, LLC 325   2024-05-13   

Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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