Patuxent River MD ZIP Code
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Patuxent River city is located in Maryland State, Saint Marys County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Patuxent River MD zip code by its streets and block numbers if we have some of the Patuxent River streets loaded in our website
Patuxent River Area Code is 301/240 and Time Zone is Eastern (GMT -05:00).
Patuxent River Zip Code - Maryland
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Patuxent River City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Patuxent River ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Patuxent River, Maryland.
The Patuxent River Zip Code is 20670.
If you want to send a mail to Patuxent River City, you should use the 20670 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Patuxent River 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 20670 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Patuxent River 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.