Local Calling Guide

Area code/prefix search

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NPA: 920 [Rate centres in NPA 920] [Dial plan for NPA 920]

NXX: 464

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-464 A Chilton WI MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356      
920-464 0 Chilton WI   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356      
920-464 1 Chilton WI   792K CHARTER IP ENABLED SERVICES, LLC 356   2007-04-15   
920-464 2 Chilton WI   793K TWC IP ENABLED SERVICES, LLC 356   2026-06-07   
920-464 4 Chilton WI   225C ONVOY, LLC - WI 356   2018-01-05   
920-464 5 Chilton WI   225C ONVOY, LLC - WI 356   2021-04-08   
920-464 6 Chilton WI   225C ONVOY, LLC - WI 356   2021-04-08   
920-464 7 Chilton WI   508J CENTURYLINK COMMUNICATIONS, LLC 356   2015-01-02   
920-464 8 Chilton WI   6529 T-MOBILE USA, INC. 356   2025-02-15   

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

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