Saint Leonard MD ZIP Code
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Saint Leonard city is located in Maryland State, Calvert County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Saint Leonard MD zip code by its streets and block numbers if we have some of the Saint Leonard streets loaded in our website
Saint Leonard Area Code is 410 and Time Zone is Eastern (GMT -05:00).
Saint Leonard Zip Code - Maryland
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Saint Leonard City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Saint Leonard ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Saint Leonard, Maryland.
The Saint Leonard Zip Code is 20685.
If you want to send a mail to Saint Leonard City, you should use the 20685 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Saint Leonard 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 20685 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Saint Leonard 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.