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Post Offices in De Smet

Click on the Post Office from this list of 1 Post Offices in De Smet to view the opening hours, phone number, drop-off times, services and other information.

1. USPS Post Office De Smet (SD)

119 Calumet Ave Sw

De Smet, SD 57231

The Post Office is open Monday to Friday from 9:00 am to 11:00 am and from 12:30 pm to 4:30 pm. It is closed Saturday and Sunday.