American Canyon CA ZIP Code
American Canyon city is located in California State, Napa County and has a unique zip code assigned by the US Postal Service Office.
You can search for the American Canyon CA zip code by its streets and block numbers if we have some of the American Canyon streets loaded in our website
American Canyon Area Code is 707 and Time Zone is Pacific (GMT -08:00).
American Canyon Zip Code - California
The US ZIP Code basic format consists of five decimal numerical digits assigned to the American Canyon City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the American Canyon ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in American Canyon, California.
The American Canyon Zip Code is 94503.
If you want to send a mail to American Canyon City, you should use the 94503 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded American Canyon 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 94503 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a American Canyon 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.