Livermore CA ZIP Code
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Livermore city is located in California State, Alameda County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Livermore CA zip code by its streets and block numbers if we have some of the Livermore streets loaded in our website
Livermore Area Code is 925 and Time Zone is Pacific (GMT -08:00).
Livermore Zip Code - California
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Livermore City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Livermore ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Livermore, California.
The Livermore Zip Code is 94550, 94551.
If you want to send a mail to Livermore City, you should use the 94550, 94551 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Livermore 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 94550, 94551 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Livermore 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.