Below is a list of Matherville IL zip codes. For your research we have also included Matherville Area Code, Time Zone, UTC and the local Mercer County FIPS Code. Each Matherville Illinois zip code has a center Longitude / Latitude point (the Matherville center is -90.604797363281 / 41.259700775146). For your convenience we have also indicated if that zip code in Matherville observes Daylight Savings time.