La Plata MD ZIP Code
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La Plata city is located in Maryland State, Charles County and has a unique zip code assigned by the US Postal Service Office.
You can search for the La Plata MD zip code by its streets and block numbers if we have some of the La Plata streets loaded in our website
La Plata Area Code is 240/301 and Time Zone is Eastern (GMT -05:00).
La Plata Zip Code - Maryland
The US ZIP Code basic format consists of five decimal numerical digits assigned to the La Plata City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the La Plata ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in La Plata, Maryland.
The La Plata Zip Code is 20646.
If you want to send a mail to La Plata City, you should use the 20646 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded La Plata 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 20646 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a La Plata 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.