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.

Switch: MILWWIDKCM1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
920-298 A Two Rivers WI 6692 NEW CELL DBA CELLCOM 356      
920-323 A Manitowoc WI 6692 NEW CELL DBA CELLCOM 356      
920-340 A Chilton WI 9759 METRO SOUTHWEST PCS, LLP 356      
920-646 A Cleveland WI 6692 NEW CELL DBA CELLCOM 356      
920-762 A Kiel WI 6692 NEW CELL DBA CELLCOM 356      
920-875 A Brillion WI 9759 METRO SOUTHWEST PCS, LLP 356      
920-973 A Manitowoc WI 6692 NEW CELL DBA CELLCOM 356      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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