Duncans Mills CA ZIP Code

Duncans Mills city is located in California State, Sonoma County and has a unique zip code assigned by the US Postal Service Office.

You can search for the Duncans Mills CA zip code by its streets and block numbers if we have some of the Duncans Mills streets loaded in our website

Duncans Mills Area Code is 707 and Time Zone is Pacific (GMT -08:00).

Duncans Mills Zip Code - California

The US ZIP Code basic format consists of five decimal numerical digits assigned to the Duncans Mills City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Duncans Mills ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Duncans Mills, California.

The Duncans Mills Zip Code is 95430.

If you want to send a mail to Duncans Mills City, you should use the 95430 Zip Code.

In 1983, the U.S. Postal Service introduced an expanded Duncans Mills 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 95430 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Duncans Mills 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.

Duncans Mills, California - MAP

What is the Duncans Mills Zip Code?

The Duncans Mills Zip Code in California is 95430.

ZIP Plus 4 Duncans Mills - US Streets Zip Codes

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Duncans Mills, California - US Zip Code

Duncans Mills ZIP Code Lookup

95430 Zip Code File:
Zip Code: 95430,
City: Duncans Mills
Duncans Mills Area Code: 707
Duncans Mills, CA - Time Zone: Pacific (GMT -08:00)
County: Sonoma
City Alias: Duncans Mills
State: California
State Abb: CA

California Zip+4 - Nearby Duncans Mills Cities

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