Below is a list of West Farmington OH zip codes. For your research we have also included West Farmington Area Code, Time Zone, UTC and the local Trumbull County FIPS Code. Each West Farmington Ohio zip code has a center Longitude / Latitude point (the West Farmington center is -80.973602294922 / 41.390399932861). For your convenience we have also indicated if that zip code in West Farmington observes Daylight Savings time.