Severn MD ZIP Code
Severn 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 Severn MD zip code by its streets and block numbers if we have some of the Severn streets loaded in our website
Severn Area Code is 410/443 and Time Zone is Eastern (GMT -05:00).
Severn Zip Code - Maryland
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Severn City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Severn ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Severn, Maryland.
The Severn Zip Code is 21144.
If you want to send a mail to Severn City, you should use the 21144 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Severn 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 21144 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Severn 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.