Below is a list of Hillsdale PA zip codes. For your research we have also included Hillsdale Area Code, Time Zone, UTC and the local Indiana County FIPS Code. Each Hillsdale Pennsylvania zip code has a center Longitude / Latitude point (the Hillsdale center is -78.884902954102 / 40.751899719238). For your convenience we have also indicated if that zip code in Hillsdale observes Daylight Savings time.