Potrero CA ZIP Code
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Potrero city is located in California State, San Diego County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Potrero CA zip code by its streets and block numbers if we have some of the Potrero streets loaded in our website
Potrero Area Code is 619 and Time Zone is Pacific (GMT -08:00).
Potrero Zip Code - California
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Potrero City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Potrero ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Potrero, California.
The Potrero Zip Code is 91963.
If you want to send a mail to Potrero City, you should use the 91963 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Potrero 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 91963 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Potrero 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.