Below is a list of O Brien OR zip codes. For your research we have also included O Brien Area Code, Time Zone, UTC and the local Josephine County FIPS Code. Each O Brien Oregon zip code has a center Longitude / Latitude point (the O Brien center is -123.70300292969 / 42.067199707031). For your convenience we have also indicated if that zip code in O Brien observes Daylight Savings time.