Below is a list of Hilliards PA zip codes. For your research we have also included Hilliards Area Code, Time Zone, UTC and the local Butler County FIPS Code. Each Hilliards Pennsylvania zip code has a center Longitude / Latitude point (the Hilliards center is -79.833801269531 / 41.085998535156). For your convenience we have also indicated if that zip code in Hilliards observes Daylight Savings time.