List of Sonic Stores in Palmyra, PA Outlet Note Regular Brands Sonic Pennsylvania Palmyra 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 - Palmyra 81 N Londonderry Sq (717) 832-8100 People Also Viewed