Angwin CA ZIP Code
Angwin 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 Angwin CA zip code by its streets and block numbers if we have some of the Angwin streets loaded in our website
Angwin Area Code is 707 and Time Zone is Pacific (GMT -08:00).
Angwin Zip Code - California
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Angwin City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Angwin ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Angwin, California.
The Angwin Zip Code is 94508.
If you want to send a mail to Angwin City, you should use the 94508 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Angwin 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 94508 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Angwin 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.