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: 603

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-603 A Sturgeon Bay WI APPLWI01XGX  6529 T-MOBILE USA, INC. 350      
920-603 0 Sturgeon Bay WI APPLWI01XGX  6529 T-MOBILE USA, INC. 350      
920-603 1 Sturgeon Bay WI APPLWI01XGX  6529 T-MOBILE USA, INC. 350      
920-603 2 Sturgeon Bay WI APPLWI01XGX  6529 T-MOBILE USA, INC. 350      
920-603 3 Sturgeon Bay WI APPLWI01XGX  6529 T-MOBILE USA, INC. 350      
920-603 4 Sturgeon Bay WI APPLWI01XGX  6529 T-MOBILE USA, INC. 350      
920-603 5 Sturgeon Bay WI APPLWI01XGX  6529 T-MOBILE USA, INC. 350      
920-603 6 Sturgeon Bay WI APPLWI01XGX  6529 T-MOBILE USA, INC. 350      
920-603 7 Sturgeon Bay WI APPLWI01XGX  6529 T-MOBILE USA, INC. 350      
920-603 8 Sturgeon Bay WI APPLWI01XGX  6529 T-MOBILE USA, INC. 350      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.