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: 305

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-305 A Green Bay WI GNBYWI01VMD  225C ONVOY, LLC - WI 350      
920-305 0 Green Bay WI   007F BANDWIDTH.COM CLEC, LLC - WI 350   2022-07-17   
920-305 1 Green Bay WI   225C ONVOY, LLC - WI 350   2023-04-08   
920-305 2 Green Bay WI   6529 T-MOBILE USA, INC. 350   2021-05-10   
920-305 3 Green Bay WI   6529 T-MOBILE USA, INC. 350   2021-05-10   
920-305 4 Green Bay WI   6529 T-MOBILE USA, INC. 350   2021-05-10   
920-305 5 Green Bay WI   6529 T-MOBILE USA, INC. 350   2021-05-10   
920-305 6 Green Bay WI   6529 T-MOBILE USA, INC. 350   2021-05-10   
920-305 7 Green Bay WI   5489 LEVEL 3 COMMUNICATIONS, LLC - WI 350   2020-08-15   
920-305 8 Green Bay WI   490J DISH WIRELESS, LLC 350   2023-04-30   
920-305 9 Green Bay WI   732J NUSO, LLC 350   2024-11-11   

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

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