Ottumwa, South Dakota Area Code
Ottumwa, SD Area Codes are
Ottumwa, SD is officially utilizing one area code which is area code 605.
In addition to Ottumwa, SD area code information read more about area code 605 details and South Dakota area codes.
Ottumwa, SD is located in Haakon County and observes the Mountain Time Zone. View our Times by Area Code tool.
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