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: 546

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-546 A Hustisford WI MILWWIAUDS1  225C ONVOY, LLC - WI 356      
920-546 4 Hustisford WI MILWWIAU03Z  516J TON80 COMMUNICATIONS, LLC 356   2021-09-13   
920-546 6 Hustisford WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2021-09-12   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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