Below is a list of Spencerville IN zip codes. For your research we have also included Spencerville Area Code, Time Zone, UTC and the local Allen County FIPS Code. Each Spencerville Indiana zip code has a center Longitude / Latitude point (the Spencerville center is -84.921897888184 / 41.283100128174). For your convenience we have also indicated if that zip code in Spencerville observes Daylight Savings time.