List of Sonic Stores in Portland, OR Outlet Note Regular Brands Sonic Oregon Portland Rating 4.5 based on 91 votes Official Website https://www.sonicdrivein.com/ Products Snacks Ice Cream Drinks Chicken Hot Dogs Burgers NameAddressPhone Name/Address/Phone Sonic outlet - Portland Washington Square (503) 670-9713 Sonic Drive-In outlet - Portland 9585 Sw Washington Square Rd (503) 670-9713 People Also Viewed