Below is a list of Malheur County OR zip codes. For your research we have also included Malheur County Area Code, Time Zone, UTC and the local County FIPS Code. Each Malheur County Oregon zip code has a center Longitude / Latitude point (the Malheur County center is -117.5120010376 / 43.775798797607). For your convenience we have also indicated if that zip code in Malheur County observes Daylight Savings time.