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: 770

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-770 A Green Bay WI GNBYWIELDS0  227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 350      
920-770 0 Green Bay WI GNBYWIELDS0  227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 350   2014-07-04   
920-770 1 Green Bay WI GNBYWIELDS0  227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 350   2014-07-04   
920-770 2 Green Bay WI APPLWI01X9X  007F BANDWIDTH.COM CLEC, LLC - WI 350   2015-04-12   
920-770 3 Green Bay WI APPLWI01X9X  007F BANDWIDTH.COM CLEC, LLC - WI 350   2015-04-12   
920-770 4 Green Bay WI APPLWI01XWX  623D TIME WARNER CABLE INFORMATION SVCS (WISCONSIN) WI 350   2014-11-20   
920-770 5 Green Bay WI APPLWI01XWX  623D TIME WARNER CABLE INFORMATION SVCS (WISCONSIN) WI 350   2015-01-01   
920-770 6 Green Bay WI GNBYWIEMCM2  6692 NEW CELL DBA CELLCOM 350   2014-09-21   
920-770 7 Green Bay WI GNBYWIEMCM2  6692 NEW CELL DBA CELLCOM 350   2014-09-21   
920-770 8 Green Bay WI GNBYWIEMCM2  6692 NEW CELL DBA CELLCOM 350   2014-09-21   
920-770 9 Green Bay WI GNBYWIELDS0  227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 350   2014-07-04   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.