Ridgely MD ZIP Code
Ridgely city is located in Maryland State, Caroline County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Ridgely MD zip code by its streets and block numbers if we have some of the Ridgely streets loaded in our website
Ridgely Area Code is 410 and Time Zone is Eastern (GMT -05:00).
Ridgely Zip Code - Maryland
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Ridgely City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Ridgely ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Ridgely, Maryland.
The Ridgely Zip Code is 21660.
If you want to send a mail to Ridgely City, you should use the 21660 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Ridgely 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 21660 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Ridgely 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.