Happy Day Carry Out Address: 503 N East St, Frederick, MD 21701 Phone: (301) 620-8858 Hours: Mon: 7am-7pm Tue: 7am-7pm Wed: 7am-7pm Thu: 7am-7pm Fri: 7am-7pm Sat: 8am-4pm Foods-Carry Out Other Businesses: Jimmy John's at 200 Shorebird St, Frederick, MD 21701 Little Caesars Pizza at 1305 W 7th St, Frederick, MD 21702 200 Monroe at 200 Monroe Avenue, Frederick, MD 21701 Maggie Moo's at 1305 W 7th St, Frederick, MD 21702 Subway at 913 W 7th St, Frederick, MD 21701