Sylmar CA ZIP Code
Sylmar city is located in California State, Los Angeles County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Sylmar CA zip code by its streets and block numbers if we have some of the Sylmar streets loaded in our website
Sylmar Area Code is 818/747 and Time Zone is Pacific (GMT -08:00).
Sylmar Zip Code - California
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Sylmar City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Sylmar ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Sylmar, California.
The Sylmar Zip Code is 91342, 91392.
If you want to send a mail to Sylmar City, you should use the 91342, 91392 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Sylmar ZIP code system that it called ZIP+4, often called "plus-four codes", "add-on codes", or "add ons". A ZIP+4 code uses the basic 91342, 91392 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Sylmar city block, a group of apartments, an individual high-volume receiver of mail or any other unit that could use an extra identifier to aid in efficient mail sorting and delivery in California.