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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 Wednesday and on Friday from 9:00 am to 11:00 am and from 12:30 pm to 4:30 pm. It is closed on Thursday and Saturday and Sunday.