Unionville MD ZIP Code

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Unionville city is located in Maryland State, Frederick County and has a unique zip code assigned by the US Postal Service Office.

You can search for the Unionville MD zip code by its streets and block numbers if we have some of the Unionville streets loaded in our website

Unionville Area Code is 301 and Time Zone is Eastern (GMT -05:00).

Unionville Zip Code - Maryland

The US ZIP Code basic format consists of five decimal numerical digits assigned to the Unionville City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Unionville ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Unionville, Maryland.

The Unionville Zip Code is 21792.

If you want to send a mail to Unionville City, you should use the 21792 Zip Code.

In 1983, the U.S. Postal Service introduced an expanded Unionville 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 21792 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Unionville 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.

Unionville, Maryland - MAP

What is the Unionville Zip Code?

The Unionville Zip Code in Maryland is 21792.

ZIP Plus 4 Unionville - US Streets Zip Codes

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What is the zip code for Unionville MD?


Unionville, Maryland - US Zip Code

Unionville ZIP Code Lookup

21792 Zip Code File:
Zip Code: 21792,
City: Unionville
Unionville Area Code: 301
Unionville, MD - Time Zone: Eastern (GMT -05:00)
County: Frederick
City Alias: Unionville
State: Maryland
State Abb: MD

Maryland Zip+4 - Nearby Unionville Cities

Cities near Unionville in Maryland
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