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: 522

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-522 A Chilton WI MILWWIDK6MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
920-522 0 Chilton WI   5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2005-09-10   
920-522 2 Chilton WI   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356   2008-08-14   
920-522 3 Chilton WI   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356   2008-08-14   
920-522 4 Chilton WI   5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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