San Joaquin CA ZIP Code
San Joaquin city is located in California State, Fresno County and has a unique zip code assigned by the US Postal Service Office.
You can search for the San Joaquin CA zip code by its streets and block numbers if we have some of the San Joaquin streets loaded in our website
San Joaquin Area Code is 559 and Time Zone is Pacific (GMT -08:00).
San Joaquin Zip Code - California
The US ZIP Code basic format consists of five decimal numerical digits assigned to the San Joaquin City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the San Joaquin ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in San Joaquin, California.
The San Joaquin Zip Code is 93660.
If you want to send a mail to San Joaquin City, you should use the 93660 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded San Joaquin 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 93660 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a San Joaquin 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.