Nicasio CA ZIP Code
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Nicasio 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 Nicasio CA zip code by its streets and block numbers if we have some of the Nicasio streets loaded in our website
Nicasio Area Code is 415 and Time Zone is Pacific (GMT -08:00).
Nicasio Zip Code - California
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Nicasio City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Nicasio ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Nicasio, California.
The Nicasio Zip Code is 94946.
If you want to send a mail to Nicasio City, you should use the 94946 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Nicasio 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 94946 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Nicasio 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.