Erwin, SD

ZIP code 57233 covers the small town of Groton, South Dakota. This rural community is home to the Groton Area School District and features notable landmarks such as the Day County Courthouse and the nearby Richmond Lake Recreation Area. Groton offers a charming small-town atmosphere with a mix of agricultural and recreational opportunities for residents and visitors alike.

ZIP code 57233

Erwin, SD

United States

US > SD > Kingsbury County > 57233

Daylight Saving: Yes
Time Zone: Central
Area Code: 605
This ZIP code is type "Standard" (applies to many individual addresses in the same area).

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Erwin	-	Preferred
Spirit Lake	-	Not Acceptable

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