U S Government--internal Revenue Service, Post Offices, Silverstreet Newberry, SC 29108 Phone : (803) 276-7132 Business Category Government Offices-Federal Post Offices Government Offices & Public Schools U S Government--usda Newberry Service Center, Silverstreet Newberry, SC 29108 Phone : (803) 276-7132 Business Category Government Offices & Public Schools Post Office - Silverstreet 1195 Main St Silverstreet, SC 29145 Phone : (803) 276-7132 Post Office - Silverstreet Business Category Post Offices Toll-Free           (800) ASK-USPS U S Government--post Office Silverstreet, SC 29145 Phone : (803) 276-7132 Business Category Post Offices Government Offices & Public Schools