Larkspur CA ZIP Code
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Larkspur city is located in California State, Marin County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Larkspur CA zip code by its streets and block numbers if we have some of the Larkspur streets loaded in our website
Larkspur Area Code is 415 and Time Zone is Pacific (GMT -08:00).
Larkspur Zip Code - California
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Larkspur City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Larkspur ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Larkspur, California.
The Larkspur Zip Code is 94939, 94977.
If you want to send a mail to Larkspur City, you should use the 94939, 94977 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Larkspur 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 94939, 94977 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Larkspur 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.