Richmond CA ZIP Code
Richmond 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 Richmond CA zip code by its streets and block numbers if we have some of the Richmond streets loaded in our website
Richmond Area Code is 510 and Time Zone is Pacific (GMT -08:00).
Richmond Zip Code - California
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Richmond City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Richmond ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Richmond, California.
The Richmond Zip Code is 94801, 94802, 94804, 94805, 94807, 94808, 94850.
If you want to send a mail to Richmond City, you should use the 94801, 94802, 94804, 94805, 94807, 94808, 94850 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Richmond 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 94801, 94802, 94804, 94805, 94807, 94808, 94850 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Richmond 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.