🇺🇸 United States · California
San Mateo ZIP codes
San Mateo, California, has 5 ZIP codes, from 94401 to 94497. Which one applies depends on the street address.
- ZIP Codes
- 5
- Population
- 103,536
- State
- California
- Coordinates
- 37.563, -122.3255
All San Mateo ZIP codes
9440194402944039440494497
No code matches.
Data: GeoNames (CC BY 4.0) and zipcodestack.
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Frequently asked questions
What is the zip code of San Mateo?
San Mateo has 5 ZIP codes in California. The right code depends on the street address; the list on this page shows all of them, starting with 94401.
How many ZIP codes does San Mateo have?
Our data lists 5 ZIP codes for San Mateo, United States.
How do I find the exact zip code for an address in San Mateo?
Use the official postal service lookup or a geocoding API with the full street address. For software, the zipcodestack API returns city, region and coordinates for any zip code and can search codes by city or by radius.
Postal code API
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/v1/code/city documentation ZIP code API All documentation
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GET https://api.zipcodestack.com/v1/code/city?city=San+Mateo&country=us
{
"query": { "city": "San Mateo", "country": "us" },
"results": ["94401", "…"]
}Free postal code tools
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