Sedro Woolley WA ZIP Code
Sedro Woolley city is located in Washington State, Skagit County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Sedro Woolley WA zip code by its streets and block numbers if we have some of the Sedro Woolley streets loaded in our website
Sedro Woolley Area Code is 360 and Time Zone is Pacific (GMT -08:00).
Sedro Woolley Zip Code - Washington
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Sedro Woolley City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Sedro Woolley ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Sedro Woolley, Washington.
The Sedro Woolley Zip Code is 98284.
If you want to send a mail to Sedro Woolley City, you should use the 98284 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Sedro Woolley 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 98284 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Sedro Woolley 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.