Below is a list of Willow Creek CA zip codes. For your research we have also included Willow Creek Area Code, Time Zone, UTC and the local Humboldt County FIPS Code. Each Willow Creek California zip code has a center Longitude / Latitude point (the Willow Creek center is -123.66100311279 / 40.887001037598). For your convenience we have also indicated if that zip code in Willow Creek observes Daylight Savings time.