Below is a list of Trenton OH zip codes. For your research we have also included Trenton Area Code, Time Zone, UTC and the local Butler County FIPS Code. Each Trenton Ohio zip code has a center Longitude / Latitude point (the Trenton center is -84.458602905273 / 39.48099899292). For your convenience we have also indicated if that zip code in Trenton observes Daylight Savings time.