Union City CA ZIP Code

Union City 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 Union City CA zip code by its streets and block numbers if we have some of the Union City streets loaded in our website

Union City Area Code is 510 and Time Zone is Pacific (GMT -08:00).



Union City Zip Code - California

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

The Union City Zip Code is 94587.



If you want to send a mail to Union City City, you should use the 94587 Zip Code.

In 1983, the U.S. Postal Service introduced an expanded Union City 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 94587 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Union City 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.


Union City, California - MAP




What is the Union City Zip Code?

The Union City Zip Code in California is 94587.


ZIP Plus 4 Union City - US Streets Zip Codes

By pressing keys ctrol + F you can search Union City zip codes by its streets, highways, and know the ZIP+4 US ZIP Code


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Search Union City Zip Code

What is the zip code for Union City CA?

94587

Union City, California - US Zip Code



Union City ZIP Code Lookup

94587 Zip Code File:
Zip Code: 94587,
City: Union City
Union City Area Code: 510
Union City, CA - Time Zone: Pacific (GMT -08:00)
County: Alameda
City Alias: Union City
State: California
State Abb: CA



California Zip+4 - Nearby Union City Cities

Cities near Union City in California
(straight line)


View more California zip codes