Clarksville MD ZIP Code
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Clarksville city is located in Maryland State, Howard County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Clarksville MD zip code by its streets and block numbers if we have some of the Clarksville streets loaded in our website
Clarksville Area Code is 240 and Time Zone is Eastern (GMT -05:00).
Clarksville Zip Code - Maryland
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Clarksville City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Clarksville ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Clarksville, Maryland.
The Clarksville Zip Code is 21029.
If you want to send a mail to Clarksville City, you should use the 21029 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Clarksville 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 21029 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Clarksville 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.