Great Mills MD ZIP Code

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Great Mills city is located in Maryland State, Saint Marys County and has a unique zip code assigned by the US Postal Service Office.

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

Great Mills Area Code is 240/301 and Time Zone is Eastern (GMT -05:00).

Great Mills Zip Code - Maryland

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

The Great Mills Zip Code is 20634.

If you want to send a mail to Great Mills City, you should use the 20634 Zip Code.

In 1983, the U.S. Postal Service introduced an expanded Great Mills 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 20634 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Great Mills 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.

Great Mills, Maryland - MAP

What is the Great Mills Zip Code?

The Great Mills Zip Code in Maryland is 20634.

ZIP Plus 4 Great Mills - US Streets Zip Codes

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What is the zip code for Great Mills MD?


Great Mills, Maryland - US Zip Code

Great Mills ZIP Code Lookup

20634 Zip Code File:
Zip Code: 20634,
City: Great Mills
Great Mills Area Code: 240/301
Great Mills, MD - Time Zone: Eastern (GMT -05:00)
County: Saint Marys
City Alias: Great Mills
State: Maryland
State Abb: MD

Maryland Zip+4 - Nearby Great Mills Cities

Cities near Great Mills in Maryland
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