Dulles VA ZIP Code
Dulles city is located in Virginia State, Loudoun County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Dulles VA zip code by its streets and block numbers if we have some of the Dulles streets loaded in our website
Dulles Area Code is 703/571 and Time Zone is Eastern (GMT -05:00).
Dulles Zip Code - Virginia
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Dulles City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Dulles ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Dulles, Virginia.
The Dulles Zip Code is 20101, 20102, 20103, 20104, 20189.
If you want to send a mail to Dulles City, you should use the 20101, 20102, 20103, 20104, 20189 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Dulles 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 20101, 20102, 20103, 20104, 20189 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Dulles 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 Virginia.