United States Government--post Office, Sandy Lake Ofc Main St Sandy Lake, PA 16145 Phone : (724) 376-2354 Business Category Government Offices-Federal Post Offices Government Offices & Public Schools Post Office - Sandy Lake 3267 S Main St Sandy Lake, PA 16145 Phone : (724) 376-2354 Business Category Post Offices Toll-Free           (800) ASK-USPS