About ZIP Code 94403
ZIP code 94403 is assigned to San Mateo, San Mateo County, California, United States. It falls in the Pacific Time (PT) zone. The estimated population of this ZIP code area is 43,276 with a density of 2,966.4 people per square mile.
Location Details
ZIP Code94403
CitySan Mateo
CountySan Mateo County
StateCalifornia
CountryUnited States
TimezonePacific Time (PT)
Timezone IDAmerica/Los_Angeles
Latitude37.5384
Longitude-122.3045
ZIP TypeStandard ZIP
Post Office
Address135 W 25TH AVE
CitySAN MATEO
StateCA
Nearby ZIP Codes in California
Frequently Asked Questions
What city is ZIP code 94403 in?
ZIP code 94403 is in San Mateo, San Mateo County, California, United States.
What county is ZIP code 94403 in?
ZIP code 94403 is in San Mateo County, California.
What timezone is ZIP code 94403 in?
ZIP code 94403 is in the Pacific Time (PT) zone (America/Los_Angeles).
What is the population of ZIP code 94403?
The estimated population of ZIP code 94403 is 43,276 people with a density of 2,966.4 people per square mile.
What state is ZIP code 94403 in?
ZIP code 94403 is in California (CA), United States.
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Data Source: United States Postal Service (USPS) & US Census Bureau (ZCTA data) · Public domain government data. For official ZIP code information visit tools.usps.com. Data is periodically updated but may not reflect the most recent changes.