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.

Washington Island, WI

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
920-535 A GNBYWIEMCM2  6692 NEW CELL DBA CELLCOM 350      
920-535 0 GNBYWIEMCM2  6692 NEW CELL DBA CELLCOM 350      
920-535 1 GNBYWIEMCM2  6692 NEW CELL DBA CELLCOM 350      
920-535 2 GNBYWIEMCM2  6692 NEW CELL DBA CELLCOM 350      
920-535 3 MNSHWIDQCM0  6274 UNITED STATES CELLULAR - WI 350      
920-535 4 APPLWI01X9X  007F BANDWIDTH.COM CLEC, LLC - WI 350      
920-535 5   766H INTEGRATED PATH COMMUNICATIONS, LLC - WI 350      
920-535 6 GNBYWI01VMD  225C ONVOY, LLC - WI 350      
920-535 7 GNBYWI01VMD  624H ONVOY SPECTRUM, LLC 350      
920-535 9 GNBYWIEMCM2  6692 NEW CELL DBA CELLCOM 350      
920-847 A WAISWIXARS0  0886 FRONTIER NORTH INC. - WI 350      
920-847 0 GNBYWIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 350      
920-847 2 WAISWIXARS0  0886 FRONTIER NORTH INC. - WI 350      
920-847 3 WAISWIXARS0  0886 FRONTIER NORTH INC. - WI 350      
920-847 4 GNBYWI01VMD  225C ONVOY, LLC - WI 350      
920-847 5 APPLWI01X9X  007F BANDWIDTH.COM CLEC, LLC - WI 350      
920-847 7 GNBYWIEL1MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 350      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.