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: 483

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-483 A Chilton WI MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356      
920-483 0 Chilton WI MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356      
920-483 1 Chilton WI   6529 T-MOBILE USA, INC. 356   2025-02-15   
920-483 4 Chilton WI PLMOWIXAEMD  624H ONVOY SPECTRUM, LLC 356   2021-06-25   
920-483 8 Chilton WI   5562 METROPCS, INC. 356   2025-03-30   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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