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: 732

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-732 A Whitelaw WI WHLWWIXARS0  0886 FRONTIER NORTH INC. - WI 356      
920-732 1 Whitelaw WI   0886 FRONTIER NORTH INC. - WI 356      
920-732 2 Whitelaw WI   225C ONVOY, LLC - WI 356   2021-07-02   
920-732 3 Whitelaw WI   0886 FRONTIER NORTH INC. - WI 356      
920-732 4 Whitelaw WI   0886 FRONTIER NORTH INC. - WI 356      
920-732 5 Whitelaw WI   965H FRACTEL, LLC 356   2020-03-19   
920-732 6 Whitelaw WI   007F BANDWIDTH.COM CLEC, LLC - WI 356   2008-11-22   
920-732 7 Whitelaw WI   508J CENTURYLINK COMMUNICATIONS, LLC 356   2015-01-05   
920-732 8 Whitelaw WI   624H ONVOY SPECTRUM, LLC 356   2021-06-27   
920-732 9 Whitelaw WI   145J TERRA NOVA TELECOM INC. 356   2025-07-25   

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

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