ZIP code · South San Francisco · California · United States
ZIP code 94083 — South San Francisco
ZIP code 94083 serves South San Francisco, California.
- Postal code
- 94083Single source Value from one source, not cross-checked.
- County
- San Mateo
- State
- California
- Country
- United States
- Coordinates
- 37.6547, -122.4077 — precision precise (locality)
View on OpenStreetMap - USDA hardiness zone
- 10b (35 to 40 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Los_Angeles (UTC−8 / UTC−7 DST)
- Area code
- 650 (from the nearest rate centre)Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 94083 with another ZIP · ZIPs within 25 miles · distance from 94083
Climate — monthly normals
Warmest month Sep (avg high 75°F), coldest Jan (avg low 45°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 58 | 61 | 63 | 66 | 68 | 72 | 73 | 73 | 75 | 72 | 64 | 58 |
| Avg low °F | 45 | 46 | 48 | 49 | 52 | 54 | 55 | 56 | 56 | 53 | 49 | 45 |
| Precip in | 3.9 | 4.0 | 2.7 | 1.4 | 0.5 | 0.1 | 0.0 | 0.0 | 0.1 | 0.8 | 2.0 | 4.1 |
NOAA 1991–2020 climate normals from the nearest station: SAN FRANCISCO INTL AP (3.4 mi) · NOAA NCEI
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page