List of US Post Office Stores in Holly Springs, MS Outlet Note Regular Brands US Post Office Mississippi Holly Springs Rating 4.5 based on 76 votes Official Website https://www.usps.com/ Products Postal Service NameAddressPhone Name/Address/Phone US Post Office outlet - Holly Springs 7490 Highway 311 (662) 851-7820 US Post Office outlet - Holly Springs 365 Martin Luther King Jr Dr (662) 252-3631 US Post Office outlet - Holly Springs 110 N Memphis St (662) 252-2514 People Also Viewed