Portola Valley CA ZIP Code

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Portola Valley city is located in California State, San Mateo County and has a unique zip code assigned by the US Postal Service Office.

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

Portola Valley Area Code is 650 and Time Zone is Pacific (GMT -08:00).

Portola Valley Zip Code - California

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

The Portola Valley Zip Code is 94028.

If you want to send a mail to Portola Valley City, you should use the 94028 Zip Code.

In 1983, the U.S. Postal Service introduced an expanded Portola Valley 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 94028 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Portola Valley 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.

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The Portola Valley Zip Code in California is 94028.

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Portola Valley, California - US Zip Code

Portola Valley ZIP Code Lookup

94028 Zip Code File:
Zip Code: 94028,
City: Portola Valley
Portola Valley Area Code: 650
Portola Valley, CA - Time Zone: Pacific (GMT -08:00)
County: San Mateo
City Alias: Menlo Park, Portola Valley, Portola Vally, Menlo Pk
State: California
State Abb: CA

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