Below is a list of Southington OH zip codes. For your research we have also included Southington Area Code, Time Zone, UTC and the local Trumbull County FIPS Code. Each Southington Ohio zip code has a center Longitude / Latitude point (the Southington center is -80.95580291748 / 41.308399200439). For your convenience we have also indicated if that zip code in Southington observes Daylight Savings time.