Hauppauge Branch 536 Smithtown By-Pass Rte. 347 Hauppauge, N.Y. 11787 (NE Corner of Rte. 111 & Rte. 347) Branch Hours: Sun. - Thurs. - 11:30am - 6:00pm Fri./Sat. - 11:30am - 6:30pm > Click Map For Larger View <