Dupont WA ZIP Code
Dupont city is located in Washington State, Pierce County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Dupont WA zip code by its streets and block numbers if we have some of the Dupont streets loaded in our website
Dupont Area Code is 360 and Time Zone is Pacific (GMT -08:00).
Dupont Zip Code - Washington
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Dupont City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Dupont ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Dupont, Washington.
The Dupont Zip Code is 98327.
If you want to send a mail to Dupont City, you should use the 98327 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Dupont 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 98327 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Dupont 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 Washington.