Below is a list of Marseilles IL zip codes. For your research we have also included Marseilles Area Code, Time Zone, UTC and the local La Salle County FIPS Code. Each Marseilles Illinois zip code has a center Longitude / Latitude point (the Marseilles center is -88.686798095703 / 41.326801300049). For your convenience we have also indicated if that zip code in Marseilles observes Daylight Savings time.