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: 688

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-688 A Van Dyne WI VNDNWI11RS1  9327 WISCONSIN BELL INC 350      
920-688 0 Van Dyne WI GNBYWIELDS0  227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 350   2020-05-31   
920-688 1 Van Dyne WI GNBYWI01XHX  624H ONVOY SPECTRUM, LLC 350   2021-06-22   
920-688 2 Van Dyne WI VNDNWI11RS1  9327 WISCONSIN BELL INC 350      
920-688 3 Van Dyne WI VNDNWI11RS1  9327 WISCONSIN BELL INC 350      
920-688 4 Van Dyne WI GNBYWI01VMD  225C ONVOY, LLC - WI 350   2020-03-26   
920-688 5 Van Dyne WI VNDNWI11RS1  9327 WISCONSIN BELL INC 350      
920-688 6 Van Dyne WI GNBYWI01VMD  225C ONVOY, LLC - WI 350   2021-03-29   
920-688 7 Van Dyne WI VNDNWI11RS1  9327 WISCONSIN BELL INC 350      
920-688 9 Van Dyne WI HULLWI01GT0  3839 CHARTER FIBERLINK, LLC - WI 350   2006-07-19   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.