Cockeysville MD ZIP Code
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Cockeysville city is located in Maryland State, Baltimore County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Cockeysville MD zip code by its streets and block numbers if we have some of the Cockeysville streets loaded in our website
Cockeysville Area Code is 410/443 and Time Zone is Eastern (GMT -05:00).
Cockeysville Zip Code - Maryland
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Cockeysville City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Cockeysville ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Cockeysville, Maryland.
The Cockeysville Zip Code is 21030.
If you want to send a mail to Cockeysville City, you should use the 21030 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Cockeysville 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 21030 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Cockeysville 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.