94402 is zip code located in San Mateo, California. The population is 23,622, making 94402 the 4th largest zipcode in San Mateo.
There are 10 public schools in 94402 with an average Homefacts rating of B+. The total crime rate for San Mateo is moderate , and there are 9 registered sex offenders residing in the zip code 94402. Unemployment in 94402 is low.