Derwood MD ZIP Code
Derwood city is located in Maryland State, Montgomery County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Derwood MD zip code by its streets and block numbers if we have some of the Derwood streets loaded in our website
Derwood Area Code is 240/301 and Time Zone is Eastern (GMT -05:00).
Derwood Zip Code - Maryland
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Derwood City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Derwood ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Derwood, Maryland.
The Derwood Zip Code is 20855.
If you want to send a mail to Derwood City, you should use the 20855 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Derwood 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 20855 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Derwood 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.