Postal address
Harsens Island, St. Clair
The postal code of Harsens Island, in St. Clair (Michigan, Estados Unidos), is 48028. Include it in your shipments and forms.
Location
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Harsens Island
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Frequently asked questions
What is the postal code of Harsens Island?
The main postal code of Harsens Island (St. Clair, Estados Unidos) is 48028.