Smithsburg MD ZIP Code
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Smithsburg 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 Smithsburg MD zip code by its streets and block numbers if we have some of the Smithsburg streets loaded in our website
Smithsburg Area Code is 240/301 and Time Zone is Eastern (GMT -05:00).
Smithsburg Zip Code - Maryland
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Smithsburg City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Smithsburg ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Smithsburg, Maryland.
The Smithsburg Zip Code is 21783.
If you want to send a mail to Smithsburg City, you should use the 21783 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Smithsburg 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 21783 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Smithsburg 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.