Local Calling Guide

Area code/prefix search

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

NXX: 566

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-566 A Redgranite WI RDGRWI11DS0  0924 BRIGHTSPEED OF NORTH CENTRAL WISCONSIN, LLC 350      
920-566 0 Redgranite WI RDGRWI11DS0  0924 BRIGHTSPEED OF NORTH CENTRAL WISCONSIN, LLC 350      
920-566 1 Redgranite WI HULLWI01GT0  3839 CHARTER FIBERLINK, LLC - WI 350   2013-05-02   
920-566 2 Redgranite WI RDGRWI11DS0  0924 BRIGHTSPEED OF NORTH CENTRAL WISCONSIN, LLC 350      
920-566 3 Redgranite WI RDGRWI11DS0  0924 BRIGHTSPEED OF NORTH CENTRAL WISCONSIN, LLC 350      
920-566 4 Redgranite WI RDGRWI11DS0  0924 BRIGHTSPEED OF NORTH CENTRAL WISCONSIN, LLC 350      
920-566 5 Redgranite WI GNBYWIEL1MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 350   2014-11-24   
920-566 6 Redgranite WI   766H INTEGRATED PATH COMMUNICATIONS, LLC - WI 350   2018-07-13   
920-566 7 Redgranite WI STPTWI01HMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 350   2021-04-27   
920-566 8 Redgranite WI GNBYWI01VMD  225C ONVOY, LLC - WI 350   2018-10-27   
920-566 9 Redgranite WI GNBYWI01VMD  225C ONVOY, LLC - WI 350   2021-01-29   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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