Union City CA ZIP Code
Last added ZIP code areas:petco northwest expressway oklahoma city jason's deli northwest expressway oklahoma city ok zip code newbury nh tag agency nw expressway oklahoma city carl becker house address midpines ca zip code 100 united furniture drive lexington nc 11771 zip code centerreach zip code ebensburg pa zip code zip code for west end nc la cantera zip code rapid city, sd zip code zip code wyoming mn west chester il zip code outback steakhouse northwest expressway oklahoma city ok 9900 helen ave sunland marshfield hills ma zip code belle plaine mn zip code 98671 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.