ZIP code of Altadena (CA) is 91001. Below you can find map of Altadena, or look up other ZIP codes in California or other US states. If Altadena's ZIP code is duplicated, and other places have same ZIP code number, you can use our ZIP code searcher by number 91001.
Altadena have more then one ZIP code. List of all Altadena's ZIP codes: 91001, 91003.