Fullerton, California ZIP Codes
- ZIP records
4 - Sum of listed ZIP population estimates
140,763 - Counties represented
1 - Population range
26,005–51,842 per ZIP
Population sum includes positive estimates in these ZIP records; it is not an official city population.
Top ZIP Codes by Population
| Rank | ZIP Code | City | County | Population estimate |
|---|---|---|---|---|
| 1 | 92833 | Fullerton | Orange | 51,842 |
| 2 | 92831 | Fullerton | Orange | 35,618 |
| 3 | 92832 | Fullerton | Orange | 27,298 |
| 4 | 92835 | Fullerton | Orange | 26,005 |
Counties represented
All ZIP Codes in Fullerton
- ZIP 92831 — Orange County
- ZIP 92832 — Orange County
- ZIP 92833 — Orange County
- ZIP 92835 — Orange County
Browse all ZIP data for California
Methodology: ZIP records are grouped by the source file's primary city and state fields. Population ranges and sums use positive ZIP-level estimates; sums should not be read as official city totals. County links use each record's listed county assignment.