Graton CA ZIP Code
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Graton city is located in California State, Sonoma County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Graton CA zip code by its streets and block numbers if we have some of the Graton streets loaded in our website
Graton Area Code is 707 and Time Zone is Pacific (GMT -08:00).
Graton Zip Code - California
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Graton City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Graton ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Graton, California.
The Graton Zip Code is 95444.
If you want to send a mail to Graton City, you should use the 95444 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Graton 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 95444 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Graton 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.