Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 920 [Rate centres in NPA 920] [Dial plan for NPA 920]

NXX: 445

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-445 A Green Bay WI GNBYWI01DS1  9327 WISCONSIN BELL INC 350      
920-445 0 Green Bay WI GNBYWI01DS1  9327 WISCONSIN BELL INC 350      
920-445 1 Green Bay WI GNBYWIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 350   2007-02-27   
920-445 2 Green Bay WI GNBYWI01DS1  9327 WISCONSIN BELL INC 350      
920-445 3 Green Bay WI GNBYWIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 350   2007-12-06   
920-445 4 Green Bay WI GNBYWIEMCM2  6692 NEW CELL DBA CELLCOM 350   2010-05-20   
920-445 5 Green Bay WI GNBYWI01XMX  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 350   2012-08-24   
920-445 6 Green Bay WI GNBYWIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 350   2010-09-07   
920-445 7 Green Bay WI GNBYWI01DS1  9327 WISCONSIN BELL INC 350      
920-445 8 Green Bay WI APPLWI01X9X  007F BANDWIDTH.COM CLEC, LLC - WI 350   2010-10-08   
920-445 9 Green Bay WI GNBYWI01XMX  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 350   2012-08-24   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.