Marshall CA ZIP Code
Marshall 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 Marshall CA zip code by its streets and block numbers if we have some of the Marshall streets loaded in our website
Marshall Area Code is 707 and Time Zone is Pacific (GMT -08:00).
Marshall Zip Code - California
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Marshall City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Marshall ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Marshall, California.
The Marshall Zip Code is 94940.
If you want to send a mail to Marshall City, you should use the 94940 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Marshall 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 94940 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Marshall 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.