List of Portillo's Hot Dogs Stores in Sycamore, IL Outlet Note Regular Brands Portillo's Hot Dogs Illinois Sycamore Rating 5 based on 51 votes Official Website http://www.portillos.com/ Products Food Hot Dogs NameAddressPhone Name/Address/Phone Portillo's Hot Dogs outlet - Sycamore 1780 Dekalb Ave (815) 895-0100 People Also Viewed