Postal reference / United States
94080South San Francisco, California
ZIP code 94080 is a United States postal code for South San Francisco, California. Its county association is San Mateo County. The map reference point is at 37.6574, -122.4235.
- State / territory
- California
- Recorded place name
- South San Francisco
- County association
- San Mateo
- Estimated coordinate
- 37.6574, -122.4235
View on OpenStreetMap - ZIP prefix
- 940 · 45 ZIP codes share it
- Data source
- GeoNames postal reference, snapshot September 26, 2026
GeoNames reference data. County associations may not include every intersecting county, place names are postal names rather than legal boundaries, and coordinates are approximate. This is not address validation.
Area
- Land area
- 10.178 sq mi (2023 Census Gazetteer)
Figures are for the ZIP Code Tabulation Area (ZCTA) that most closely matches this ZIP code, not an exact match to USPS delivery boundaries. Source: U.S. Census Bureau, 2023 Gazetteer + 2023 ACS 5-Year Estimates, retrieved 2026-09-27. How to read this data.
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California directoryOther ZIP codes in South San Francisco, CA
South San Francisco has 2 ZIP codes in the reference dataset.
- 94083San Mateo
Nearby ZIP code reference points
| ZIP code | Place | State | County association | Miles |
|---|---|---|---|---|
| 94083 | South San Francisco | CA | San Mateo | 0.9 |
| 94005 | Brisbane | CA | San Mateo | 2.1 |
| 94014 | Daly City | CA | San Mateo | 2.2 |
| 94066 | San Bruno | CA | San Mateo | 2.3 |
| 94128 | San Francisco | CA | San Mateo | 3.0 |
| 94015 | Daly City | CA | San Mateo | 3.3 |
| 94016 | Daly City | CA | San Mateo | 3.9 |
| 94017 | Daly City | CA | San Mateo | 3.9 |
Straight-line distance between reference points. Nearby points do not prove that ZIP areas touch.
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