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: 443

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-443 A Reedsville WI MILWWIDK6MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
920-443 1 Reedsville WI   5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2006-01-05   
920-443 2 Reedsville WI   225C ONVOY, LLC - WI 356   2021-04-12   
920-443 3 Reedsville WI   793K TWC IP ENABLED SERVICES, LLC 356   2007-06-20   
920-443 4 Reedsville WI   5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
920-443 5 Reedsville WI   225C ONVOY, LLC - WI 356   2021-06-03   
920-443 6 Reedsville WI   624H ONVOY SPECTRUM, LLC 356   2021-06-26   
920-443 7 Reedsville WI   225C ONVOY, LLC - WI 356   2021-07-02   
920-443 9 Reedsville WI   007F BANDWIDTH.COM CLEC, LLC - WI 356   2008-11-22   

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

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