San Leandro CA ZIP Code
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San Leandro 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 San Leandro CA zip code by its streets and block numbers if we have some of the San Leandro streets loaded in our website
San Leandro Area Code is 510 and Time Zone is Pacific (GMT -08:00).
San Leandro Zip Code - California
The US ZIP Code basic format consists of five decimal numerical digits assigned to the San Leandro City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the San Leandro ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in San Leandro, California.
The San Leandro Zip Code is 94577, 94578, 94579.
If you want to send a mail to San Leandro City, you should use the 94577, 94578, 94579 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded San Leandro 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 94577, 94578, 94579 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a San Leandro 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.