Chaptico MD ZIP Code
Chaptico city is located in Maryland State, Saint Marys County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Chaptico MD zip code by its streets and block numbers if we have some of the Chaptico streets loaded in our website
Chaptico Area Code is 301 and Time Zone is Eastern (GMT -05:00).
Chaptico Zip Code - Maryland
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Chaptico City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Chaptico ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Chaptico, Maryland.
The Chaptico Zip Code is 20621.
If you want to send a mail to Chaptico City, you should use the 20621 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Chaptico 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 20621 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Chaptico 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.