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: 300

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
534-300 A Dorchester WI GNBYWIELDMD  965H FRACTEL, LLC 350      
534-300 0 Dorchester WI   965H FRACTEL, LLC 350   2021-07-16   
534-300 1 Dorchester WI   624H ONVOY SPECTRUM, LLC 350   2024-10-28   
534-300 3 Dorchester WI   965H FRACTEL, LLC 350   2021-07-16   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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