United States Postal Service
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Today: 8:30 am - 4:30 pm
Tomorrow: 8:30 am - 4:30 pm
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Phone: (605) 642-3119
Fax: (605) 642-5135
Phone: (800) 275-8777
Address: 120 Yankee St, Spearfish, SD 57783
Website: http://usps.com/postoffice