Sumner Post Office

About Sumner Post Office

USPS Sumner Post Office is located at 10674 W Saint Charles Rd, Sumner, MI 48889 - 8750.You can contact USPS Sumner Post Office on this at phone 989-833-7409.At Sumner Post Office , you can avail services like Burial Flags , Call Referral , Duck Stamps , General Delivery , Money Orders (Domestic) , Money Orders (Inquiry) , Money Orders (International) , Pickup Accountable Mail , Pickup Hold Mail , Pickup Notice Left Mail , Priority Mail International , PO Box Online , etc.