California MD ZIP Code
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California city is located in Maryland State, Saint Marys County and has a unique zip code assigned by the US Postal Service Office.
You can search for the California MD zip code by its streets and block numbers if we have some of the California streets loaded in our website
California Area Code is 301 and Time Zone is Eastern (GMT -05:00).
California Zip Code - Maryland
The US ZIP Code basic format consists of five decimal numerical digits assigned to the California City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the California ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in California, Maryland.
The California Zip Code is 20619.
If you want to send a mail to California City, you should use the 20619 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded California 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 20619 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a California 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 Maryland.