List of Denny's Stores in Allentown, PA Outlet Note Regular Brands Denny's Pennsylvania Allentown Rating 4.8 based on 89 votes Products Fast Food Restaurant Pancake House Coffee Shop Steakhouse NameAddressPhone Name/Address/Phone Denny's outlet - Allentown 1871 Catasauqua Rd (610) 264-8063 Denny's outlet - Allentown 1112 E Susquehanna St (610) 791-1170 People Also Viewed