List of US Post Office Stores in Hilton Head Island, SC Outlet Note Regular Brands US Post Office South Carolina Hilton Head Island Rating 4.5 based on 76 votes Official Website https://www.usps.com/ Products Postal Service NameAddressPhone Name/Address/Phone US Post Office outlet - Hilton Head Island 213 William Hilton Pkwy (800) 275-8777 US Post Office outlet - Hilton Head Island 71 Lighthouse Rd, #1 (843) 671-2002 US Post Office outlet - Hilton Head Island 10 Bow Cir (843) 341-5582 People Also Viewed