Upper Marlboro MD ZIP Code
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Upper Marlboro city is located in Maryland State, Prince Georges County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Upper Marlboro MD zip code by its streets and block numbers if we have some of the Upper Marlboro streets loaded in our website
Upper Marlboro Area Code is 301/240 and Time Zone is Eastern (GMT -05:00).
Upper Marlboro Zip Code - Maryland
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Upper Marlboro City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Upper Marlboro ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Upper Marlboro, Maryland.
The Upper Marlboro Zip Code is 20772, 20773, 20774, 20775, 20792.
If you want to send a mail to Upper Marlboro City, you should use the 20772, 20773, 20774, 20775, 20792 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Upper Marlboro 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 20772, 20773, 20774, 20775, 20792 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Upper Marlboro 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.