ZIP Code 91603 is located in the county of Los Angeles in the state of California. 91603 ZIP Code is spread between the coordinates of +34.16 Latitude and -118.37 Longitude. 91603 ZIP Code is part of the 213 area code. There are 0 postal offices in zip code 91603.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 91603. Always when you mail a package or a letter, be attentive to mention the preferred or acceptable cities. Using any city in the list of unacceptable cities may result in unforseen delays.