Adamstown MD ZIP Code
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Adamstown city is located in Maryland State, Frederick County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Adamstown MD zip code by its streets and block numbers if we have some of the Adamstown streets loaded in our website
Adamstown Area Code is 240/301 and Time Zone is Eastern (GMT -05:00).
Adamstown Zip Code - Maryland
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Adamstown City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Adamstown ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Adamstown, Maryland.
The Adamstown Zip Code is 21710.
If you want to send a mail to Adamstown City, you should use the 21710 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Adamstown 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 21710 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Adamstown 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.