Below is a list of Farrell PA zip codes. For your research we have also included Farrell Area Code, Time Zone, UTC and the local Mercer County FIPS Code. Each Farrell Pennsylvania zip code has a center Longitude / Latitude point (the Farrell center is -80.499198913574 / 41.212001800537). For your convenience we have also indicated if that zip code in Farrell observes Daylight Savings time.