Grasonville MD ZIP Code
Grasonville city is located in Maryland State, Queen Annes County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Grasonville MD zip code by its streets and block numbers if we have some of the Grasonville streets loaded in our website
Grasonville Area Code is 410/443 and Time Zone is Eastern (GMT -05:00).
Grasonville Zip Code - Maryland
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Grasonville City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Grasonville ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Grasonville, Maryland.
The Grasonville Zip Code is 21638.
If you want to send a mail to Grasonville City, you should use the 21638 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Grasonville 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 21638 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Grasonville 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.