Below is a list of Jarrettsville MD zip codes. For your research we have also included Jarrettsville Area Code, Time Zone, UTC and the local Harford County FIPS Code. Each Jarrettsville Maryland zip code has a center Longitude / Latitude point (the Jarrettsville center is -76.477500915527 / 39.601299285889). For your convenience we have also indicated if that zip code in Jarrettsville observes Daylight Savings time.