Below is a list of Rosamond IL zip codes. For your research we have also included Rosamond Area Code, Time Zone, UTC and the local Christian County FIPS Code. Each Rosamond Illinois zip code has a center Longitude / Latitude point (the Rosamond center is -89.157897949219 / 39.380599975586). For your convenience we have also indicated if that zip code in Rosamond observes Daylight Savings time.