Below is a list of Heppner OR zip codes. For your research we have also included Heppner Area Code, Time Zone, UTC and the local Morrow County FIPS Code. Each Heppner Oregon zip code has a center Longitude / Latitude point (the Heppner center is -119.558 / 45.3591). For your convenience we have also indicated if that zip code in Heppner observes Daylight Savings time. For more information on Heppner Oregon you will find helpful business links and searches.