Searching for Italian or Mexican restaurants in Platte County that deliver? Use our website to find the Arby's Locations in Platte County, MO. Stay up-to-date on all the weekly deals, coupons, offers and promotions for Arby's in Platte County. Find food locations that are open 24 hours near you. locate a grocery store and pick up some items to make a tasty dish at home using your favorite restaurant recipe.