Swanton MD ZIP Code
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Swanton city is located in Maryland State, Garrett County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Swanton MD zip code by its streets and block numbers if we have some of the Swanton streets loaded in our website
Swanton Area Code is 301 and Time Zone is Eastern (GMT -05:00).
Swanton Zip Code - Maryland
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Swanton City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Swanton ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Swanton, Maryland.
The Swanton Zip Code is 21561.
If you want to send a mail to Swanton City, you should use the 21561 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Swanton 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 21561 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Swanton 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.