San Mateo, CA ZIP Codes, Coordinates & Counties
San Mateo, California has 4 ZIP codes in San Mateo county. The approximate center of San Mateo is 37.552, -122.306. San Mateo has about 345,350 known street addresses.
ZIP codes in San Mateo, CA
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 94401 | San Mateo | 37.574 | -122.318 |
| 94402 | San Mateo | 37.541 | -122.333 |
| 94403 | San Mateo | 37.538 | -122.305 |
| 94404 | San Mateo | 37.556 | -122.269 |
Counties San Mateo spans
San Mateo
Most common streets in San Mateo
B, Delaware, 3rd, Alameda De Las Pulgas, Norfolk, Grant, Humboldt, Poplar, 2nd, 5th
Frequently asked questions
What ZIP codes are in San Mateo, CA?
San Mateo, California has 4 ZIP codes, ranging from 94401 to 94404. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is San Mateo, CA in?
San Mateo is in San Mateo county.
What are the latitude and longitude of San Mateo, CA?
The approximate center of San Mateo, California is latitude 37.552, longitude -122.306. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does San Mateo, CA have?
San Mateo has 4 ZIP codes.
How many addresses are in San Mateo, CA?
San Mateo, California has about 345,350 known street addresses in the sthan.io US address database.
What are the most common streets in San Mateo, CA?
Some of the most common street names in San Mateo are B, Delaware, 3rd, Alameda De Las Pulgas, Norfolk, Grant.
What cities are near San Mateo, CA?
Cities near San Mateo include Belmont (3 mi), Burlingame (3 mi), San Carlos (4 mi), Millbrae (6 mi), Redwood City (6 mi).
Cities near San Mateo
Belmont, CA (3 mi) Burlingame, CA (3 mi) San Carlos, CA (4 mi) Millbrae, CA (6 mi) Redwood City, CA (6 mi) Atherton, CA (9 mi) Half Moon Bay, CA (9 mi) San Bruno, CA (9 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database