United States Postal Service
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CLOSED NOW
Today: Closed
Tomorrow: 9:00 am - 1:00 pm, 2:00 pm - 3:45 pm
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Phone: (605) 685-6550
Fax: (605) 357-4906
Phone: (800) 275-8777
Address: 506 3rd Ave, Martin, SD 57551
Website: http://usps.com/postoffice