Anderson Island WA ZIP Code
Anderson Island 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 Anderson Island WA zip code by its streets and block numbers if we have some of the Anderson Island streets loaded in our website
Anderson Island Area Code is 253 and Time Zone is Pacific (GMT -08:00).
Anderson Island Zip Code - Washington
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Anderson Island City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Anderson Island ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Anderson Island, Washington.
The Anderson Island Zip Code is 98303.
If you want to send a mail to Anderson Island City, you should use the 98303 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Anderson Island 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 98303 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Anderson Island 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.