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: 666

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
534-666 A Greenwood WI GNBYWIELDMD  965H FRACTEL, LLC 350      
534-666 0 Greenwood WI   624H ONVOY SPECTRUM, LLC 350   2024-10-28   
534-666 1 Greenwood WI   3839 CHARTER FIBERLINK, LLC - WI 350   2024-03-17   
534-666 2 Greenwood WI   145J TERRA NOVA TELECOM INC. 350   2025-07-12   
534-666 3 Greenwood WI   516J TON80 COMMUNICATIONS, LLC 350   2021-06-14   
534-666 6 Greenwood WI   965H FRACTEL, LLC 350   2020-06-21   
534-666 7 Greenwood WI   965H FRACTEL, LLC 350   2020-06-21   

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

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