Dunnigan CA ZIP Code
Dunnigan city is located in California State, Yolo County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Dunnigan CA zip code by its streets and block numbers if we have some of the Dunnigan streets loaded in our website
Dunnigan Area Code is 530 and Time Zone is Pacific (GMT -08:00).
Dunnigan Zip Code - California
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Dunnigan City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Dunnigan ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Dunnigan, California.
The Dunnigan Zip Code is 95937.
If you want to send a mail to Dunnigan City, you should use the 95937 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Dunnigan 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 95937 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Dunnigan 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.