Lilliwaup WA ZIP Code
Lilliwaup city is located in Washington State, Mason County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Lilliwaup WA zip code by its streets and block numbers if we have some of the Lilliwaup streets loaded in our website
Lilliwaup Area Code is 360 and Time Zone is Pacific (GMT -08:00).
Lilliwaup Zip Code - Washington
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Lilliwaup City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Lilliwaup ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Lilliwaup, Washington.
The Lilliwaup Zip Code is 98555.
If you want to send a mail to Lilliwaup City, you should use the 98555 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Lilliwaup 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 98555 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Lilliwaup 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.