91003 is zip code located in Altadena, California. The population is , making 91003 the 2nd largest zipcode in Altadena.
There are 0 public schools in 91003 with an average Homefacts rating of NA. , and there are 0 registered sex offenders residing in the zip code 91003. Unemployment in 91003 is very high.
Zip codes within Altadena include 91001.