Below is a list of New Madison OH zip codes. For your research we have also included New Madison Area Code, Time Zone, UTC and the local Darke County FIPS Code. Each New Madison Ohio zip code has a center Longitude / Latitude point (the New Madison center is -84.709701538086 / 39.96789932251). For your convenience we have also indicated if that zip code in New Madison observes Daylight Savings time.