Below is a list of Mount Holly Springs PA zip codes. For your research we have also included Mount Holly Springs Area Code, Time Zone, UTC and the local Cumberland County FIPS Code. Each Mount Holly Springs Pennsylvania zip code has a center Longitude / Latitude point (the Mount Holly Springs center is -77.18620300293 / 40.112499237061). For your convenience we have also indicated if that zip code in Mount Holly Springs observes Daylight Savings time.