Chestertown MD ZIP Code
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Chestertown city is located in Maryland State, Kent, Queen Annes County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Chestertown MD zip code by its streets and block numbers if we have some of the Chestertown streets loaded in our website
Chestertown Area Code is 410 and Time Zone is Eastern (GMT -05:00).
Chestertown Zip Code - Maryland
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Chestertown City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Chestertown ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Chestertown, Maryland.
The Chestertown Zip Code is 21620, 21690.
If you want to send a mail to Chestertown City, you should use the 21620, 21690 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Chestertown 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 21620, 21690 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Chestertown 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.