Malheur County, Oregon ZIP Codes

13 ZIP Codes

Zip Code
City
Population ↓
97914Ontario19,713
97913Nyssa5,520
97918Vale4,567
97901Adrian954
97910Jordan Valley645
97906Harper360
97917Riverside50
97903Brogan48
97911Juntura42
97920Westfall34
97908Ironside30
97909Jamieson24
97902Arock17

Overview of ZIP Codes in Malheur County

ZCTAs are geographic areas created by the US Census Bureau to approximate the delivery areas of ZIP Codes for statistical analysis. While ZCTAs use the same five-digit codes as ZIP Codes, they represent defined geographic areas that may not exactly match the mail delivery routes of ZIP Codes.
13
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 13 ZCTAs in Malheur County, Oregon (US Census).

Sources

  1. US Census: 2025 Gazetteer Files
  2. US Census: ZIP Code Tabulation Areas (ZCTAs)

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