Below is a list of Montpelier OH zip codes. For your research we have also included Montpelier Area Code, Time Zone, UTC and the local Williams County FIPS Code. Each Montpelier Ohio zip code has a center Longitude / Latitude point (the Montpelier center is -84.597900390625 / 41.586498260498). For your convenience we have also indicated if that zip code in Montpelier observes Daylight Savings time.