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: 455

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-455 A Green Bay WI GNBYWI01DS1  9327 WISCONSIN BELL INC 350      
920-455 0 Green Bay WI   516C AT&T CORP. 350      
920-455 1 Green Bay WI   9327 WISCONSIN BELL INC 350      
920-455 2 Green Bay WI   9327 WISCONSIN BELL INC 350      
920-455 3 Green Bay WI   9327 WISCONSIN BELL INC 350      
920-455 4 Green Bay WI   9327 WISCONSIN BELL INC 350      
920-455 5 Green Bay WI   007F BANDWIDTH.COM CLEC, LLC - WI 350   2010-06-19   
920-455 6 Green Bay WI   9327 WISCONSIN BELL INC 350      
920-455 7 Green Bay WI   7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 350   2007-08-27   
920-455 8 Green Bay WI   007F BANDWIDTH.COM CLEC, LLC - WI 350   2010-06-19   
920-455 9 Green Bay WI   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 350   2017-07-07   

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

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