Helen MD ZIP Code
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Helen 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 Helen MD zip code by its streets and block numbers if we have some of the Helen streets loaded in our website
Helen Area Code is 240/301 and Time Zone is Eastern (GMT -05:00).
Helen Zip Code - Maryland
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Helen City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Helen ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Helen, Maryland.
The Helen Zip Code is 20635.
If you want to send a mail to Helen City, you should use the 20635 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Helen 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 20635 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Helen 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.