Crofton MD ZIP Code
Crofton city is located in Maryland State, Anne Arundel County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Crofton MD zip code by its streets and block numbers if we have some of the Crofton streets loaded in our website
Crofton Area Code is 410/443/240/667 and Time Zone is Eastern (GMT -05:00).
Crofton Zip Code - Maryland
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Crofton City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Crofton ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Crofton, Maryland.
The Crofton Zip Code is 21114.
If you want to send a mail to Crofton City, you should use the 21114 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Crofton 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 21114 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Crofton 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.