What are the Klamath Falls, Oregon Zip Codes for 2020, 2019Primary Zip Codes for Klamath FallsZip CodePrimary CitySecondary City97601Klamath FallsKlamath Falls, Kfalls, Kingsley Field, Worden, Oretech97602Klamath Falls97603Klamath Falls97625DairyKlamath FallsCities sharing Zip Codes with Klamath FallsZip CodePrimary CitySecondary CityMore Information97601Klamath FallsOretech97601Klamath FallsKfalls97601Klamath FallsKingsley Field97601Klamath FallsWorden97625DairyKlamath Falls Klamath Falls population stats Advertisements