Dowell MD ZIP Code
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Dowell city is located in Maryland State, Calvert County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Dowell MD zip code by its streets and block numbers if we have some of the Dowell streets loaded in our website
Dowell Area Code is 410/443 and Time Zone is Eastern (GMT -05:00).
Dowell Zip Code - Maryland
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Dowell City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Dowell ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Dowell, Maryland.
The Dowell Zip Code is 20629.
If you want to send a mail to Dowell City, you should use the 20629 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Dowell 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 20629 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Dowell 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.