List of US Post Office Stores in Grassy Creek, NC Outlet Note Regular Brands US Post Office North Carolina Grassy Creek Rating 4.5 based on 76 votes Official Website https://www.usps.com/ Products Postal Service NameAddressPhone Name/Address/Phone US Post Office outlet - Grassy Creek 15500 Old Nc Highway 16 (336) 384-3696 People Also Viewed