Jarrettsville MD ZIP Code
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Jarrettsville city is located in Maryland State, Harford County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Jarrettsville MD zip code by its streets and block numbers if we have some of the Jarrettsville streets loaded in our website
Jarrettsville Area Code is 443/410 and Time Zone is Eastern (GMT -05:00).
Jarrettsville Zip Code - Maryland
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Jarrettsville City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Jarrettsville ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Jarrettsville, Maryland.
The Jarrettsville Zip Code is 21084.
If you want to send a mail to Jarrettsville City, you should use the 21084 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Jarrettsville 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 21084 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Jarrettsville 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.