Below is a list of Grimes CA zip codes. For your research we have also included Grimes Area Code, Time Zone, UTC and the local Colusa County FIPS Code. Each Grimes California zip code has a center Longitude / Latitude point (the Grimes center is -121.89399719238 / 39.074401855469). For your convenience we have also indicated if that zip code in Grimes observes Daylight Savings time.