San Dimas CA ZIP Code
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San Dimas 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 San Dimas CA zip code by its streets and block numbers if we have some of the San Dimas streets loaded in our website
San Dimas Area Code is 909 and Time Zone is Pacific (GMT -08:00).
San Dimas Zip Code - California
The US ZIP Code basic format consists of five decimal numerical digits assigned to the San Dimas City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the San Dimas ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in San Dimas, California.
The San Dimas Zip Code is 91773.
If you want to send a mail to San Dimas City, you should use the 91773 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded San Dimas 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 91773 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a San Dimas 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.