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: 712

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-712 A Green Bay WI APPLWI01X0Y  7804 TDS METROCOM, INC. - WI 350      
920-712 0 Green Bay WI   6274 UNITED STATES CELLULAR - WI 350   2025-02-20   
920-712 1 Green Bay WI APPLWI01X0Y  7804 TDS METROCOM, INC. - WI 350      
920-712 2 Green Bay WI APPLWI01X0Y  7804 TDS METROCOM, INC. - WI 350      
920-712 3 Green Bay WI   6274 UNITED STATES CELLULAR - WI 350   2025-02-20   
920-712 4 Green Bay WI APPLWI01X0Y  7804 TDS METROCOM, INC. - WI 350      
920-712 5 Green Bay WI   6274 UNITED STATES CELLULAR - WI 350   2025-02-20   
920-712 6 Green Bay WI APPLWI01X0Y  7804 TDS METROCOM, INC. - WI 350      
920-712 7 Green Bay WI GNBYWIEL8MD  145J TERRA NOVA TELECOM INC. 350   2024-09-14   
920-712 8 Green Bay WI   6274 UNITED STATES CELLULAR - WI 350   2025-02-20   
920-712 9 Green Bay WI   6274 UNITED STATES CELLULAR - WI 350   2025-02-20   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.