Dunkirk MD ZIP Code
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Dunkirk 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 Dunkirk MD zip code by its streets and block numbers if we have some of the Dunkirk streets loaded in our website
Dunkirk Area Code is 443/410 and Time Zone is Eastern (GMT -05:00).
Dunkirk Zip Code - Maryland
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Dunkirk City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Dunkirk ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Dunkirk, Maryland.
The Dunkirk Zip Code is 20754.
If you want to send a mail to Dunkirk City, you should use the 20754 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Dunkirk 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 20754 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Dunkirk 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.