Local Calling Guide

Area code/prefix search

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

NXX: 488

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-488 A Theresa WI THRSWIXARS4  0886 FRONTIER NORTH INC. - WI 356      
920-488 0 Theresa WI   624H ONVOY SPECTRUM, LLC 356   2021-11-27   
920-488 1 Theresa WI   624H ONVOY SPECTRUM, LLC 356   2021-11-27   
920-488 2 Theresa WI   0886 FRONTIER NORTH INC. - WI 356      
920-488 3 Theresa WI   0886 FRONTIER NORTH INC. - WI 356      
920-488 4 Theresa WI   0886 FRONTIER NORTH INC. - WI 356      
920-488 5 Theresa WI   490J DISH WIRELESS, LLC 356   2023-06-12   
920-488 6 Theresa WI   225C ONVOY, LLC - WI 356   2022-12-23   
920-488 8 Theresa WI   965H FRACTEL, LLC 356   2020-03-19   
920-488 9 Theresa WI   225C ONVOY, LLC - WI 356   2020-04-19   

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

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