Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 534 [Rate centres in NPA 534] [Dial plan for NPA 534]

NXX: 504

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
534-504 A Eau Claire WI EUCLWIBX0MD  939H COMMIO, LLC 352      
534-504 4 Eau Claire WI EUCLWIBX0MD  939H COMMIO, LLC 352   2023-04-02   
534-504 9 Eau Claire WI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 352   2026-05-23   

Last updated: Sat, 02 May 2026 12:20:53 UTC

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