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City ZIP codes · California

Auburn, CA ZIP Codes

3 ZIP codes use the postal name Auburn, California (Census 2020 ZCTAs and GeoNames postal codes, October 2026), all residential. Median household income runs from $85,357 in 95603 to $97,466 in 95602 (Census Bureau, ACS 2020-2024). Auburn's most populous ZIP code is 95603, with 28,432 people (ACS 2020-2024); 19% of its land is in the city of Auburn.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are Auburn's ZIP codes?

95602: $98k median household income95603: $85k median household income95604: – median household income956039560295602: $98k median household income95603: $85k median household income95604: – median household income956039560295602: $98k median household income95603: $85k median household income95604: – median household income9560395602
The 3 residential ZIP codes named Auburn, 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 Auburn's ZIP codes?

The highest median household income is in 95602 ($97,466), the lowest in 95603 ($85,357). Home values run from $650,500 in 95603 to $688,500 in 95602.

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

All 3 residential ZIP codes of Auburn

Residential ZIP codes with the postal name Auburn, CA, largest first (ACS 2020-2024); sort by any column
County
95603 Placer County 28,432 795 $85k $651k
95602 Placer County 19,701 397 $98k $689k
95604 Placer County 27 540 – –

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).

Which counties do Auburn's ZIP codes reach?

Auburn's residential ZIP codes lie in 2 counties: Placer County (3 ZIP codes mainly there), Nevada County (part of a ZIP code).

Which places do Auburn's ZIP codes cover?

A postal name is not a city limit. By the Census Bureau's places, Auburn's residential ZIP codes cover Auburn itself and 3 other places, each listed with the ZIP codes that have at least 5% of their land in it or hold most of the place:

  • Carnelian Bay census-designated 95604
  • Lake of the Pines census-designated 95602
  • North Auburn census-designated 95603

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

Which first three digits do Auburn'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 Auburn starts with 956.

Three-digit prefixes of Auburn'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 Auburn's
PrefixSectional centerHereAll codes
956 Sacramento, CA (SCF 956) 3 94

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