Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 920 [Rate centres in NPA 920] [Dial plan for NPA 920]

NXX: 421

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-421 A Baileys Harbor WI GNBYWIEMCM6  6692 NEW CELL DBA CELLCOM 350      
920-421 0 Baileys Harbor WI   6692 NEW CELL DBA CELLCOM 350      
920-421 1 Baileys Harbor WI   6692 NEW CELL DBA CELLCOM 350      
920-421 2 Baileys Harbor WI   6692 NEW CELL DBA CELLCOM 350      
920-421 3 Baileys Harbor WI   6692 NEW CELL DBA CELLCOM 350      
920-421 4 Baileys Harbor WI   6692 NEW CELL DBA CELLCOM 350      
920-421 5 Baileys Harbor WI   6692 NEW CELL DBA CELLCOM 350      
920-421 6 Baileys Harbor WI   624H ONVOY SPECTRUM, LLC 350   2021-06-21   
920-421 8 Baileys Harbor WI   6692 NEW CELL DBA CELLCOM 350      
920-421 9 Baileys Harbor WI   6692 NEW CELL DBA CELLCOM 350      

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

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