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County ZIP codes · Oregon · FIPS 41063

Wallowa County, OR ZIP Codes

Wallowa County, Oregon has 5 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. Median household income ranges from $58,850 in 97828 (Enterprise) to $76,645 in 97885 (Wallowa) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Wallowa County?

97828 · Enterprise: $59k97842 · Imnaha: –97846 · Joseph: $72k97857 · Lostine: $68k97885 · Wallowa: $77k978429782897846978859785797828 · Enterprise: $59k97842 · Imnaha: –97846 · Joseph: $72k97857 · Lostine: $68k97885 · Wallowa: $77k978429782897846978859785797828 · Enterprise: $59k97842 · Imnaha: –97846 · Joseph: $72k97857 · Lostine: $68k97885 · Wallowa: $77k9784297828978469788597857
The residential ZIP codes of Wallowa County (whole outlines, including the parts in neighboring counties), shaded by median household income in national fifths (ACS 2020-2024).<$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

How different are its ZIP codes?

They carry 5 postal town names: Enterprise, Joseph, Wallowa, Lostine, Imnaha.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).

All 5 residential ZIP codes in Wallowa County

Residential ZIP codes mainly in Wallowa County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
97828 Enterprise 3,522 5 $59k $397k 100%
97846 Joseph 2,067 5 $72k $383k 100%
97885 Wallowa 1,365 4 $77k $403k 100%
97857 Lostine 483 2 $68k $563k 100%
97842 Imnaha 116 0 – $387k 100%

Download the 5 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).

Which first three digits do Wallowa County's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Wallowa County starts with 978.

Three-digit prefixes of Wallowa County's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Wallowa County's
PrefixSectional centerHereAll codes
978Portland, OR (SCF 970)554

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.