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: 489

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-489 A Green Bay WI GNBYWI01X5X  551G NUSO, LLC 350      
920-489 0 Green Bay WI APPLWI01XEX  6529 T-MOBILE USA, INC. 350   2014-07-05   
920-489 1 Green Bay WI GNBYWI01X5X  551G NUSO, LLC 350   2013-05-08   
920-489 2 Green Bay WI   793K TWC IP ENABLED SERVICES, LLC 350   2015-02-26   
920-489 3 Green Bay WI APPLWI01X9X  007F BANDWIDTH.COM CLEC, LLC - WI 350   2015-04-12   
920-489 4 Green Bay WI APPLWI01XEX  6529 T-MOBILE USA, INC. 350   2014-07-05   
920-489 5 Green Bay WI APPLWI01XEX  6529 T-MOBILE USA, INC. 350   2014-07-05   
920-489 6 Green Bay WI APPLWI01XEX  6529 T-MOBILE USA, INC. 350   2014-07-05   
920-489 7 Green Bay WI APPLWI01XEX  6529 T-MOBILE USA, INC. 350   2014-07-05   
920-489 8 Green Bay WI   793K TWC IP ENABLED SERVICES, LLC 350   2015-09-28   
920-489 9 Green Bay WI GNBYWIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 350   2015-10-07   

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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