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: MNSHWIDQ1MD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
920-420 3 Oshkosh WI 6274 UNITED STATES CELLULAR - WI 350      
920-420 4 Oshkosh WI 6274 UNITED STATES CELLULAR - WI 350      
920-420 5 Oshkosh WI 6274 UNITED STATES CELLULAR - WI 350      
920-420 6 Oshkosh WI 6274 UNITED STATES CELLULAR - WI 350      
920-420 7 Oshkosh WI 6274 UNITED STATES CELLULAR - WI 350      
920-420 8 Oshkosh WI 6274 UNITED STATES CELLULAR - WI 350      
920-420 9 Oshkosh WI 6274 UNITED STATES CELLULAR - WI 350      
920-427 A Appleton WI 6274 UNITED STATES CELLULAR - WI 350      
920-427 0 Appleton WI 6274 UNITED STATES CELLULAR - WI 350      
920-427 1 Appleton WI 6274 UNITED STATES CELLULAR - WI 350      
920-427 2 Appleton WI 6274 UNITED STATES CELLULAR - WI 350      
920-427 3 Appleton WI 6274 UNITED STATES CELLULAR - WI 350      
920-427 4 Appleton WI 6274 UNITED STATES CELLULAR - WI 350      
920-427 5 Appleton WI 6274 UNITED STATES CELLULAR - WI 350      
920-427 6 Appleton WI 6274 UNITED STATES CELLULAR - WI 350      
920-427 7 Appleton WI 6274 UNITED STATES CELLULAR - WI 350      
920-427 8 Appleton WI 6274 UNITED STATES CELLULAR - WI 350      
920-427 9 Appleton WI 6274 UNITED STATES CELLULAR - WI 350      
920-428 A Appleton WI 6274 UNITED STATES CELLULAR - WI 350      
920-428 0 Appleton WI 6274 UNITED STATES CELLULAR - WI 350      
920-428 1 Appleton WI 6274 UNITED STATES CELLULAR - WI 350      
920-428 2 Appleton WI 6274 UNITED STATES CELLULAR - WI 350      
920-428 3 Appleton WI 6274 UNITED STATES CELLULAR - WI 350      
920-428 4 Appleton WI 6274 UNITED STATES CELLULAR - WI 350      
920-428 5 Appleton WI 6274 UNITED STATES CELLULAR - WI 350      
920-428 6 Appleton WI 6274 UNITED STATES CELLULAR - WI 350      
920-428 7 Appleton WI 6274 UNITED STATES CELLULAR - WI 350      
920-428 8 Appleton WI 6274 UNITED STATES CELLULAR - WI 350      
920-428 9 Appleton WI 6274 UNITED STATES CELLULAR - WI 350      
920-450 A Appleton WI 6274 UNITED STATES CELLULAR - WI 350      
920-450 0 Appleton WI 6274 UNITED STATES CELLULAR - WI 350      
920-450 1 Appleton WI 6274 UNITED STATES CELLULAR - WI 350      
920-450 2 Appleton WI 6274 UNITED STATES CELLULAR - WI 350      
920-450 3 Appleton WI 6274 UNITED STATES CELLULAR - WI 350      
920-450 4 Appleton WI 6274 UNITED STATES CELLULAR - WI 350      
920-450 5 Appleton WI 6274 UNITED STATES CELLULAR - WI 350      
920-450 6 Appleton WI 6274 UNITED STATES CELLULAR - WI 350      
920-450 7 Appleton WI 6274 UNITED STATES CELLULAR - WI 350      
920-450 8 Appleton WI 6274 UNITED STATES CELLULAR - WI 350      
920-450 9 Appleton WI 6274 UNITED STATES CELLULAR - WI 350      
920-460 A Appleton WI 6274 UNITED STATES CELLULAR - WI 350      
920-460 0 Appleton WI 6274 UNITED STATES CELLULAR - WI 350      
920-460 1 Appleton WI 6274 UNITED STATES CELLULAR - WI 350      
920-460 2 Appleton WI 6274 UNITED STATES CELLULAR - WI 350      
920-470 A Appleton WI 6274 UNITED STATES CELLULAR - WI 350      
920-470 0 Appleton WI 6274 UNITED STATES CELLULAR - WI 350      
920-470 1 Appleton WI 6274 UNITED STATES CELLULAR - WI 350      
920-470 2 Appleton WI 6274 UNITED STATES CELLULAR - WI 350      
920-470 3 Appleton WI 6274 UNITED STATES CELLULAR - WI 350      
920-470 4 Appleton WI 6274 UNITED STATES CELLULAR - WI 350      

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Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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