Federalsburg MD ZIP Code
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Federalsburg city is located in Maryland State, Caroline County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Federalsburg MD zip code by its streets and block numbers if we have some of the Federalsburg streets loaded in our website
Federalsburg Area Code is 410/443 and Time Zone is Eastern (GMT -05:00).
Federalsburg Zip Code - Maryland
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Federalsburg City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Federalsburg ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Federalsburg, Maryland.
The Federalsburg Zip Code is 21632.
If you want to send a mail to Federalsburg City, you should use the 21632 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Federalsburg 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 21632 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Federalsburg 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.