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Winnebago County Area Codes

About Winnebago County Area Codes

The county of Winnebago County, located in Wisconsin, is served by 1 telephone area code(s) in this dataset. These calling codes cover cities, suburbs, and unincorporated communities across the county.

Major phone area codes used in Winnebago County include 920. The county mainly follows the America/Chicago time zone.

Cities and towns served by these area codes in Winnebago County include Neenah, Oshkosh.

List of Area Codes in Winnebago County, Wisconsin

The table below lists all telephone area codes used in Winnebago County, Wisconsin, along with their associated cities and time zones from this dataset.


S.N. Area Code Cities Time Zone(s)
1 920 Neenah, Oshkosh America/Chicago


Related Area Code Pages

Explore related area code resources on Burning Compass:

  • All area codes in Wisconsin
  • Individual area code details are available from the table above.

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  20. Winnebago County Area Codes

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