Cascade MD ZIP Code
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Cascade city is located in Maryland State, Washington County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Cascade MD zip code by its streets and block numbers if we have some of the Cascade streets loaded in our website
Cascade Area Code is 240/301 and Time Zone is Eastern (GMT -05:00).
Cascade Zip Code - Maryland
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Cascade City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Cascade ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Cascade, Maryland.
The Cascade Zip Code is 21719.
If you want to send a mail to Cascade City, you should use the 21719 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Cascade 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 21719 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Cascade 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.