Below is a list of Argos IN zip codes. For your research we have also included Argos Area Code, Time Zone, UTC and the local Marshall County FIPS Code. Each Argos Indiana zip code has a center Longitude / Latitude point (the Argos center is -86.245101928711 / 41.237300872803). For your convenience we have also indicated if that zip code in Argos observes Daylight Savings time.