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Washington County Area Codes

About Washington County Area Codes

The county of Washington County, located in Minnesota, 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 Washington County include 651. The county mainly follows the America/Chicago time zone.

Cities and towns served by these area codes in Washington County include Cottage Grove, Oakdale, Woodbury.

List of Area Codes in Washington County, Minnesota

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


S.N. Area Code Cities Time Zone(s)
1 651 Cottage Grove, Oakdale, Woodbury America/Chicago


Related Area Code Pages

Explore related area code resources on Burning Compass:

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

County Area Codes in Minnesota

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  2. Carver County Area Codes
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  4. Dakota County Area Codes
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  14. Steele County Area Codes
  15. Washington County Area Codes
  16. Winona County Area Codes

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