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Washtenaw County Area Codes

About Washtenaw County Area Codes

The county of Washtenaw County, located in Michigan, 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 Washtenaw County include 734. The county mainly follows the America/Detroit time zone.

Cities and towns served by these area codes in Washtenaw County include Ann Arbor, Ypsilanti.

List of Area Codes in Washtenaw County, Michigan

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


S.N. Area Code Cities Time Zone(s)
1 734 Ann Arbor, Ypsilanti America/Detroit


Related Area Code Pages

Explore related area code resources on Burning Compass:

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

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