Glenelg MD ZIP Code
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Glenelg city is located in Maryland State, Howard County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Glenelg MD zip code by its streets and block numbers if we have some of the Glenelg streets loaded in our website
Glenelg Area Code is 443/410 and Time Zone is Eastern (GMT -05:00).
Glenelg Zip Code - Maryland
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Glenelg City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Glenelg ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Glenelg, Maryland.
The Glenelg Zip Code is 21737.
If you want to send a mail to Glenelg City, you should use the 21737 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Glenelg 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 21737 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Glenelg 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.