Below is a list of Suisun City CA zip codes. For your research we have also included Suisun City Area Code, Time Zone, UTC and the local Solano County FIPS Code. Each Suisun City California zip code has a center Longitude / Latitude point (the Suisun City center is -121.99500274658 / 38.243000030518). For your convenience we have also indicated if that zip code in Suisun City observes Daylight Savings time.