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: 771

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-771 A Mill Center WI APPLWI01XWX  623D TIME WARNER CABLE INFORMATION SVCS (WISCONSIN) WI 350      
920-771 0 Mill Center WI APPLWI01XWX  623D TIME WARNER CABLE INFORMATION SVCS (WISCONSIN) WI 350      
920-771 1 Mill Center WI MRNTWI24DS0  766H INTEGRATED PATH COMMUNICATIONS, LLC - WI 350      
920-771 2 Mill Center WI APPLWI01XKX  7804 TDS METROCOM, INC. - WI 350      
920-771 3 Mill Center WI GNBYWIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 350      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.