Below is a list of Solano County CA zip codes. For your research we have also included Solano County Area Code, Time Zone, UTC and the local County FIPS Code. Each Solano County California zip code has a center Longitude / Latitude point (the Solano County center is -122.0240020752 / 38.234199523926). For your convenience we have also indicated if that zip code in Solano County observes Daylight Savings time.