Westport CA ZIP Code
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Westport city is located in California State, Mendocino County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Westport CA zip code by its streets and block numbers if we have some of the Westport streets loaded in our website
Westport Area Code is 707 and Time Zone is Pacific (GMT -08:00).
Westport Zip Code - California
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Westport City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Westport ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Westport, California.
The Westport Zip Code is 95488.
If you want to send a mail to Westport City, you should use the 95488 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Westport 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 95488 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Westport 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.