Cooksville MD ZIP Code
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Cooksville 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 Cooksville MD zip code by its streets and block numbers if we have some of the Cooksville streets loaded in our website
Cooksville Area Code is 443/410 and Time Zone is Eastern (GMT -05:00).
Cooksville Zip Code - Maryland
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Cooksville City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Cooksville ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Cooksville, Maryland.
The Cooksville Zip Code is 21723.
If you want to send a mail to Cooksville City, you should use the 21723 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Cooksville 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 21723 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Cooksville 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.