Cobb Island MD ZIP Code
Cobb Island city is located in Maryland State, Charles County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Cobb Island MD zip code by its streets and block numbers if we have some of the Cobb Island streets loaded in our website
Cobb Island Area Code is 240/301 and Time Zone is Eastern (GMT -05:00).
Cobb Island Zip Code - Maryland
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Cobb Island City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Cobb Island ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Cobb Island, Maryland.
The Cobb Island Zip Code is 20625.
If you want to send a mail to Cobb Island City, you should use the 20625 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Cobb Island 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 20625 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Cobb Island 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.