Below is a list of Oak Park CA zip codes. For your research we have also included Oak Park Area Code, Time Zone, UTC and the local Los Angeles County FIPS Code. Each Oak Park California zip code has a center Longitude / Latitude point (the Oak Park center is -118.76000213623 / 34.144500732422). For your convenience we have also indicated if that zip code in Oak Park observes Daylight Savings time.