Colonial Cooperative Bank Stores by States Outlet Note Regular Brands Colonial Cooperative Bank Rating 4.6 based on 88 votes Official Website http://colonial4banking.com Products Online Banking Credit Cards Insurance Savings Investments Saving Bank Saving Plans Browse by State Massachusetts Browse Major Regular Stores Colonial Cooperative Bank outlet - Baldwinville 5 Central St Colonial Cooperative Bank outlet - Gardner 6 City Hall Ave (978) 632-0171 Colonial Cooperative Bank outlet - Winchendon 1 School Sq (978) 297-2447 People Also Viewed