Below is a list of Arenzville IL zip codes. For your research we have also included Arenzville Area Code, Time Zone, UTC and the local Cass County FIPS Code. Each Arenzville Illinois zip code has a center Longitude / Latitude point (the Arenzville center is -90.369499206543 / 39.878601074219). For your convenience we have also indicated if that zip code in Arenzville observes Daylight Savings time.