San Mateo County California Zip Codes

Cities in

Below are a list of the cities located in San Mateo County, CA. There are 37 total unique zip codes in San Mateo County, California. The time zone for San Mateo County is the Pacific Daylight Time zone and they follow daylight savings time. The Federal Information Processing System (FIPS) Code for is 06081.

The population in San Mateo County, CA is currently 737,888. That is an increase of 2.65% vs the population of 718,451 in 2010.

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