Port Deposit MD ZIP Code
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Port Deposit city is located in Maryland State, Cecil County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Port Deposit MD zip code by its streets and block numbers if we have some of the Port Deposit streets loaded in our website
Port Deposit Area Code is 443/410 and Time Zone is Eastern (GMT -05:00).
Port Deposit Zip Code - Maryland
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Port Deposit City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Port Deposit ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Port Deposit, Maryland.
The Port Deposit Zip Code is 21904.
If you want to send a mail to Port Deposit City, you should use the 21904 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Port Deposit 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 21904 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Port Deposit 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.