Linthicum Heights MD ZIP Code
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Linthicum Heights 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 Linthicum Heights MD zip code by its streets and block numbers if we have some of the Linthicum Heights streets loaded in our website
Linthicum Heights Area Code is 410/443 and Time Zone is Eastern (GMT -05:00).
Linthicum Heights Zip Code - Maryland
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Linthicum Heights City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Linthicum Heights ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Linthicum Heights, Maryland.
The Linthicum Heights Zip Code is 21090.
If you want to send a mail to Linthicum Heights City, you should use the 21090 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Linthicum Heights 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 21090 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Linthicum Heights 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.