College Park MD ZIP Code
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College Park city is located in Maryland State, Prince Georges County and has a unique zip code assigned by the US Postal Service Office.
You can search for the College Park MD zip code by its streets and block numbers if we have some of the College Park streets loaded in our website
College Park Area Code is 301/240 and Time Zone is Eastern (GMT -05:00).
College Park Zip Code - Maryland
The US ZIP Code basic format consists of five decimal numerical digits assigned to the College Park City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the College Park ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in College Park, Maryland.
The College Park Zip Code is 20740, 20741, 20742.
If you want to send a mail to College Park City, you should use the 20740, 20741, 20742 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded College Park 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 20740, 20741, 20742 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a College Park 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.