| ZIP Code | 94128 |
| ZIP Code Name | San Francisco |
| Primary County | San Mateo County |
| ZIP Code Type | Standard |
| Area Code(s) | 650 |
| Current Time | PDT |
94128 is a United States ZIP Code located in San Francisco California. Portions of 94128 are also in Millbrae and South San Francisco. 94128 is entirely within San Mateo County. 94128 is within the Metro Bay Area.
The current unemployment level in 94128 is 2.9%.| Coordinates | 37.62136841,-122.38316345 |
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| Region | Metro Bay Area |
| Metropolitan/Micropolitan Stat Area | San Francisco-Oakland-Berkeley, CA |
| Time Zone | Pacific Daylight Time |
| IANA Timezone | America/Los_Angeles |
| Area | 3 Square Miles |
| US Congressional Districts in 94128 | |
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| Plant Hardiness Zone | Zone 10a: 30F to 35F | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average First Frost Date | December 21 - 31 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average Last Frost Date | January 11 - 20 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Koppen-Geiger Climate Zone | Csb - Warm-Summer Mediterranean Climate | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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