ZIP Code 94403: San Mateo, CA
San Mateo in San Mateo County, California uses ZIP code 94403. Its reference point is at latitude 37.5395 and longitude -122.2998 (37°32'22.2"N 122°17'59.3"W).
Location Overview of ZIP Code 94403
San Mateo has 9 ZIP codes in our directory, and San Mateo County has 55.
California has 2,792 ZIP codes listed in total.
The nearest listed ZIP code is 94497 in San Mateo, about 1.5 mi to the west.
| ZIP code | 94403 |
|---|---|
| Place | San Mateo |
| County | San Mateo County |
| State | California |
| Country | United States |
| Latitude | 37.5395 |
| Longitude | -122.2998 |
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Map of ZIP Code 94403
Map centred on 37.5395, -122.2998. The pin marks the ZIP code's reference point, not its boundary.
Photos of San Mateo, California
Video: San Mateo, California
Top 10 Best Things to Do in San Mateo, California - Travel Guide 2025 — by DoTravel · Watch on YouTube
ZIP Codes Near 94403
These 16 ZIP codes have the closest reference points to 94403, measured in a straight line.
Nearby Cities and Towns
The closest places to ZIP code 94403, measured in a straight line from its reference point. Road distances will be longer.
- Millbrae – 5.0 mi southwest
- South San Francisco – 5.8 mi southwest
- Belmont – 6.3 mi south
- Daly City – 6.3 mi west
- Pacifica – 6.5 mi southwest
- Redwood City – 6.7 mi south
- San Carlos – 6.9 mi south
- Burlingame – 7.1 mi south
- San Bruno – 7.5 mi southwest
- Atherton – 7.9 mi southeast
- Half Moon Bay – 9.0 mi southwest
Schools Near San Mateo
School places are usually allocated by home address, so families living around ZIP code 94403 should confirm their catchment school with the local education authority for San Mateo, San Mateo County.
Looking at nearby areas such as Belmont, Redwood City and San Carlos widens the choice of state, private and international schools. The links below open live Google Maps results centred on this location.
Parks and Outdoor Recreation
Parks, playgrounds and walking trails around San Mateo are easiest to find on the map above or with the searches below, which are centred on ZIP code 94403.
Hospitals and Healthcare
Hospitals, clinics and pharmacies serving San Mateo can be found with the searches below. In an emergency in the United States, call 911.
Residents may also use facilities in nearby Belmont, Redwood City and San Carlos.
Shopping and Dining in San Mateo
Restaurants, supermarkets and shopping centres in and around San Mateo are listed in the Google Maps searches below, with current opening hours and reviews.
Libraries and Historical Places
Public libraries, museums and historic sites near San Mateo, California can be found with the searches below.
For local history, try the archives of San Mateo County along with the name San Mateo.
Roads, Rivers and Lakes
From ZIP code 94403, Belmont lies about 1.6 mi to the south, Redwood City lies about 2.8 mi to the east, San Carlos lies about 3.4 mi to the southeast, Burlingame lies about 4.2 mi to the northwest and South San Francisco lies about 5.8 mi to the southwest in a straight line. Use the directions link for routes and road names.
Rivers, lakes and coastline near San Mateo show up on the map above, or you can search for them directly.
Frequently Asked Questions About ZIP Code 94403
Photo & Video Credits
- Photo 1 (“Thanksgiving prologue (8204235355)”): Charles Nadeau from San Mateo, CA, CC BY 2.0, via Wikimedia Commons.
- Photo 2 (“Lexington Reservoir”): Dicklyon, CC BY-SA 4.0, via Wikimedia Commons.
- Video: “Top 10 Best Things to Do in San Mateo, California - Travel Guide 2025” by DoTravel, embedded from YouTube. All rights belong to the creator.
Photos are shown from their original source under the licenses listed. They were taken near this location and may show neighbouring areas.
Data for ZIP code 94403 comes from GeoNames and is provided for general reference. Always confirm mailing details with the U.S. Postal Service (USPS).