List of H & R Block Stores in Groton, CT Outlet Note Regular Brands H & R Block Connecticut Groton Rating 4.7 based on 69 votes Official Outlet www.hrblock.com Official Website http://www.hrblock.com/ Products Free Tax Filing Online Tax Preparation & e-file Taxes Online Tax Software NameAddressPhone Name/Address/Phone H&R Block outlet - Groton 739 Long Hill Rd (860) 445-9775 H & R Block outlet - Groton 150 Gold Star Hwy (860) 448-6430 H & R Block outlet - Groton Route 12 (860) 405-0836 H & R Block outlet - Groton 739 Long Hill Rd (860) 445-9775 People Also Viewed