Below is a list of Pekin IN zip codes. For your research we have also included Pekin Area Code, Time Zone, UTC and the local Washington County FIPS Code. Each Pekin Indiana zip code has a center Longitude / Latitude point (the Pekin center is -86.01309967041 / 38.499298095703). For your convenience we have also indicated if that zip code in Pekin observes Daylight Savings time.