Fullerton, CA ZIP codes
Fullerton, California has 8 ZIP codes, including 4 PO Box ZIPs. They are in Orange County.
- Population in these ZIPs
- 140,763
- Avg. median income
- $109,500population-weighted
- Typical home value
- $1,040,500population-weighted
- Metro area
- Los Angeles-Long Beach-Anaheim, CA
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Fullerton, CA ZIP codes list
| ZIP code | County | Population | Median income | Typical home value |
|---|---|---|---|---|
| 92831 | Orange County | 35,618 | $89,278 | $1,055,700 |
| 92832 | Orange County | 27,298 | $94,275 | $889,100 |
| 92833 | Orange County | 51,842 | $114,176 | $980,300 |
| 92834 PO Box | Orange County | — | — | — |
| 92835 | Orange County | 26,005 | $143,817 | $1,298,600 |
| 92836 PO Box | Orange County | — | — | — |
| 92837 PO Box | Orange County | — | — | — |
| 92838 PO Box | Orange County | — | — | — |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Fullerton
- Anaheim 3 mi
- La Habra 4 mi
- Placentia 4 mi
- Buena Park 5 mi
- La Mirada 5 mi
- Brea 5 mi
- Stanton 7 mi
- Rowland Heights 7 mi
- La Palma 7 mi
- Garden Grove 8 mi
- Villa Park 8 mi
- Cypress 8 mi
Frequently asked questions
What is the ZIP code for Fullerton, CA?
Fullerton, CA has 8 ZIP codes: 92831, 92832, 92833, 92834, 92835, 92836, 92837 and 92838.
What county is Fullerton, California in?
Fullerton ZIP codes are in Orange County.
Which Fullerton ZIP codes are PO Boxes?
92834, 92836, 92837 and 92838 are PO Box or single-organization ZIP codes; they have no residential delivery area.