Below is a list of Chadwick IL zip codes. For your research we have also included Chadwick Area Code, Time Zone, UTC and the local Carroll County FIPS Code. Each Chadwick Illinois zip code has a center Longitude / Latitude point (the Chadwick center is -89.889503479004 / 42.014598846436). For your convenience we have also indicated if that zip code in Chadwick observes Daylight Savings time.