90603 is zip code located in Whittier, California. The population is 19,933, making 90603 the 6th largest zipcode in Whittier.
There are 3 public schools in 90603 with an average Homefacts rating of A. The total crime rate for Whittier is moderate , and there are 6 registered sex offenders residing in the zip code 90603. Unemployment in 90603 is very high.