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: 588

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-588 A Brillion WI MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356      
920-588 0 Brillion WI   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356      
920-588 3 Brillion WI   624H ONVOY SPECTRUM, LLC 356   2021-06-25   
920-588 7 Brillion WI   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356   2008-08-14   
920-588 8 Brillion WI   225C ONVOY, LLC - WI 356   2020-04-19   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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