Penngrove CA ZIP Code
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Penngrove 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 Penngrove CA zip code by its streets and block numbers if we have some of the Penngrove streets loaded in our website
Penngrove Area Code is 707 and Time Zone is Pacific (GMT -08:00).
Penngrove Zip Code - California
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Penngrove City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Penngrove ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Penngrove, California.
The Penngrove Zip Code is 94951.
If you want to send a mail to Penngrove City, you should use the 94951 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Penngrove 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 94951 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Penngrove 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.