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: 992

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-992 A Rio WI RIO WIXARS0  0931 BRIGHTSPEED OF SOUTHERN WISCONSIN, LLC 356      
920-992 1 Rio WI   792K CHARTER IP ENABLED SERVICES, LLC 356   2022-04-03   
920-992 3 Rio WI RIO WIXARS0  0931 BRIGHTSPEED OF SOUTHERN WISCONSIN, LLC 356      
920-992 5 Rio WI RIO WIXARS0  0931 BRIGHTSPEED OF SOUTHERN WISCONSIN, LLC 356      
920-992 6 Rio WI RIO WIXARS0  0931 BRIGHTSPEED OF SOUTHERN WISCONSIN, LLC 356      
920-992 9 Rio WI MILWWIAU11Z  490J DISH WIRELESS, LLC 356   2024-01-15   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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