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: 504

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-504 A Seymour WI   793K TWC IP ENABLED SERVICES, LLC 350      
920-504 0 Seymour WI   766H INTEGRATED PATH COMMUNICATIONS, LLC - WI 350   2018-07-13   
920-504 1 Seymour WI APPLWI01XEX  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 350   2024-03-19   
920-504 2 Seymour WI GNBYWI01VMD  225C ONVOY, LLC - WI 350   2020-05-18   
920-504 3 Seymour WI GNBYWI01VMD  225C ONVOY, LLC - WI 350   2020-05-18   
920-504 4 Seymour WI   793K TWC IP ENABLED SERVICES, LLC 350   2005-11-18   
920-504 5 Seymour WI GNBYWI01VMD  225C ONVOY, LLC - WI 350   2021-01-16   
920-504 6 Seymour WI GNBYWI01VMD  225C ONVOY, LLC - WI 350   2021-01-16   
920-504 7 Seymour WI GNBYWI01VMD  225C ONVOY, LLC - WI 350   2021-01-16   
920-504 8 Seymour WI GNBYWI01VMD  225C ONVOY, LLC - WI 350   2021-01-16   

Last updated: Sat, 21 Mar 2026 23:53:39 UTC

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