Below is a list of Downey CA zip codes. For your research we have also included Downey Area Code, Time Zone, UTC and the local Los Angeles County FIPS Code. Each Downey California zip code has a center Longitude / Latitude point (the Downey center is -118.12400054932 / 33.935501098633). For your convenience we have also indicated if that zip code in Downey observes Daylight Savings time.