Plain

City ZIP codes · Oregon

Klamath Falls, OR ZIP Codes

3 ZIP codes use the postal name Klamath Falls, Oregon (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 2 residential and 1 for PO boxes or a single organization. Median household income runs from $51,780 in 97601 to $66,937 in 97603, 1.3 times as much (Census Bureau, ACS 2020-2024). Klamath Falls's most populous ZIP code is 97603, with 33,222 people (ACS 2020-2024); 0% of its land is in the city of Klamath Falls.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are Klamath Falls's ZIP codes?

97601: $52k median household income97603: $67k median household income976019760397601: $52k median household income97603: $67k median household income976019760397601: $52k median household income97603: $67k median household income9760197603
The 2 residential ZIP codes named Klamath Falls, shaded by median household income in national fifths (ACS 2020-2024). Select a ZIP to open it. <$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 Klamath Falls's ZIP codes?

The highest median household income is in 97603 ($66,937), the lowest in 97601 ($51,780). Home values run from $282,800 in 97603 to $295,300 in 97601.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013, B25077, B01003).

All 2 residential ZIP codes of Klamath Falls

Residential ZIP codes with the postal name Klamath Falls, OR, largest first (ACS 2020-2024); sort by any column
County
97603 Klamath County 33,222 98 $67k $283k
97601 Klamath County 22,964 40 $52k $295k

Download the 3 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; 2023 Gazetteer land areas (2020 ZCTAs); town names from simplemaps US ZIP Codes (CC BY 4.0) and GeoNames (CC BY 4.0).

PO Box and single-organization ZIP codes in Klamath Falls

1 ZIP code named Klamath Falls has no residential delivery area: post office boxes, or one organization (a large employer, an agency, a university) with its own code. The Census Bureau publishes no figures for them.

Klamath Falls, OR: ZIP codes without a residential area, for PO boxes or one organization (GeoNames postal codes; USPS does not publish openly which is which)
ZIPCounty
97602Klamath County

Source: GeoNames postal codes (CC BY 4.0); a ZIP code with no Census ZCTA has no residential delivery area.

Which counties do Klamath Falls's ZIP codes reach?

Klamath Falls's residential ZIP codes lie in Klamath County.

Which places do Klamath Falls's ZIP codes cover?

A postal name is not a city limit. By the Census Bureau's places, Klamath Falls's residential ZIP codes cover Klamath Falls itself and 5 other places, each listed with the ZIP codes that have at least 5% of their land in it or hold most of the place:

  • Altamont census-designated 97603
  • Falcon Heights census-designated 97603
  • Keno census-designated 97601
  • Rocky Point census-designated 97601
  • Running Y Ranch census-designated 97601

Source: U.S. Census Bureau, 2020 ZCTA-to-place relationship file (shares of land).

Which first three digits do Klamath Falls'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 Klamath Falls starts with 976.

Three-digit prefixes of Klamath Falls'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 Klamath Falls's
PrefixSectional centerHereAll codes
976 Medford, OR (SCF 975) 3 23

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