Below is a list of Colusa CA zip codes. For your research we have also included Colusa Area Code, Time Zone, UTC and the local Colusa County FIPS Code. Each Colusa California zip code has a center Longitude / Latitude point (the Colusa center is -122.01000213623 / 39.207801818848). For your convenience we have also indicated if that zip code in Colusa observes Daylight Savings time.