Hours Of Operations H & H Computer New York Williston Park 11596 H & H Computer Hours of Operation and Location in Williston Park, NY 11596 4.5 - 41 votes 74 Hillside Ave, Williston Park, NY 11596 (516) 873-8088 Get Directions H & H Computer Hours Category: Electronics Hours Hours may vary due to season or holiday reasons. For specific hours, please contact store directly. Map Explore Williston ParkView More Apparel JusticeCoachAvenue Sports VansS & A Shoes Incorporated Recommend For You H & L Computers Incorporated L & H Computer Incorporated Solutions Incorporated Park Carpet Cleaning S & A Shoes Incorporated Pink Nails Color Nails Sergey's Barber Shop Amazing Nails Ben's Barber Shop