City ZIP codes · Alabama
Auburn, AL ZIP Codes
3 ZIP codes use the postal name Auburn, Alabama (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 $42,717 in 36832 to $70,188 in 36830, 1.6 times as much (Census Bureau, ACS 2020-2024). Auburn's most populous ZIP code is 36830, with 49,292 people (ACS 2020-2024); 33% of its land is in the city of Auburn.
- ACS2020-24
- Census2020
- GeoNames2026
Where are Auburn's ZIP codes?
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 36830 ($70,188), the lowest in 36832 ($42,717). Home values run from $263,900 in 36832 to $367,700 in 36830.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013, B25077, B01003).
All 2 residential ZIP codes of Auburn
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 Auburn
1 ZIP code named Auburn 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.
| ZIP | County |
|---|---|
| 36831 | Lee County |
Source: GeoNames postal codes (CC BY 4.0); a ZIP code with no Census ZCTA has no residential delivery area.
Which counties do Auburn's ZIP codes reach?
Auburn's residential ZIP codes lie in 2 counties: Lee County (2 ZIP codes mainly there), Macon 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 1 other place, each listed with the ZIP codes that have at least 5% of their land in it or hold most of the place:
- Loachapoka 36832
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 368.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 368 | Montgomery, AL (SCF 360) | 3 | 33 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.