91342 is zip code located in Sylmar, California. The population is 89,001, making 91342 the largest zipcode in Sylmar and the 8th largest in Los Angeles County.
There are 16 public schools in 91342 with an average Homefacts rating of B-. , and there are 46 registered sex offenders residing in the zip code 91342. Unemployment in 91342 is very high.
Zip codes within Sylmar include 91392.