Pittsburg CA ZIP Code
Pittsburg city is located in California State, Contra Costa County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Pittsburg CA zip code by its streets and block numbers if we have some of the Pittsburg streets loaded in our website
Pittsburg Area Code is 925 and Time Zone is Pacific (GMT -08:00).
Pittsburg Zip Code - California
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Pittsburg City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Pittsburg ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Pittsburg, California.
The Pittsburg Zip Code is 94565.
If you want to send a mail to Pittsburg City, you should use the 94565 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Pittsburg 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 94565 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Pittsburg 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.