Darlington MD ZIP Code
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Darlington 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 Darlington MD zip code by its streets and block numbers if we have some of the Darlington streets loaded in our website
Darlington Area Code is 443/410 and Time Zone is Eastern (GMT -05:00).
Darlington Zip Code - Maryland
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Darlington City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Darlington ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Darlington, Maryland.
The Darlington Zip Code is 21034.
If you want to send a mail to Darlington City, you should use the 21034 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Darlington 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 21034 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Darlington 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.