Umbertos Clam House on Arthur Avenue in the Bronx 2356 Arthur Avenue Bronx NY 10458 718-220-CLAM (2526) Click here to email us. Located Conveniently near the Bronx Zoo, Fordham University and Yankee Stadium. We are open Mondays Sunday-Thursday 11:30 AM - 10 PM Friday-Saturday 11:30 AM - 11 PM