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: GNBYWI01X7Y

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
920-642 2 Oshkosh WI 6692 NEW CELL DBA CELLCOM 350      
920-642 3 Oshkosh WI 6692 NEW CELL DBA CELLCOM 350      
920-642 4 Oshkosh WI 6692 NEW CELL DBA CELLCOM 350      
920-642 5 Oshkosh WI 6692 NEW CELL DBA CELLCOM 350      
920-642 6 Oshkosh WI 6692 NEW CELL DBA CELLCOM 350      
920-642 7 Oshkosh WI 6692 NEW CELL DBA CELLCOM 350      
920-642 8 Oshkosh WI 6692 NEW CELL DBA CELLCOM 350      
920-655 A Green Bay WI 6692 NEW CELL DBA CELLCOM 350      
920-660 A Green Bay WI 6692 NEW CELL DBA CELLCOM 350      
920-676 A Green Bay WI 6692 NEW CELL DBA CELLCOM 350      
920-680 A Green Bay WI 6692 NEW CELL DBA CELLCOM 350      
920-764 A Wrightstown WI 6692 NEW CELL DBA CELLCOM 350      
920-764 0 Wrightstown WI 6692 NEW CELL DBA CELLCOM 350      
920-764 1 Wrightstown WI 6692 NEW CELL DBA CELLCOM 350      
920-764 2 Wrightstown WI 6692 NEW CELL DBA CELLCOM 350      
920-878 A New London WI 9759 METRO SOUTHWEST PCS, LLP 350      
920-878 0 New London WI 9759 METRO SOUTHWEST PCS, LLP 350      
920-878 1 New London WI 9759 METRO SOUTHWEST PCS, LLP 350      
920-878 2 New London WI 9759 METRO SOUTHWEST PCS, LLP 350      
920-878 8 New London WI 9759 METRO SOUTHWEST PCS, LLP 350      

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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