Where is Zip Code 94304 map for 2020, 2019Primary Zip Codes for 94304Zip CodePrimary CitySecondary City94304Palo AltoCities sharing Zip Codes with 94304Zip CodePrimary CitySecondary CityMore Information94305StanfordPalo Alto Palo Alto population stats 94301Palo AltoPalo Alto Palo Alto population stats 94302Palo AltoPalo Alto Palo Alto population stats 94303Palo AltoPalo Alto Palo Alto population stats 94306Palo AltoPalo Alto Palo Alto population stats 94309Palo AltoPalo Alto Palo Alto population stats Advertisements