Liberty Lake WA ZIP Code
Liberty Lake city is located in Washington State, Spokane County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Liberty Lake WA zip code by its streets and block numbers if we have some of the Liberty Lake streets loaded in our website
Liberty Lake Area Code is 509 and Time Zone is Pacific (GMT -08:00).
Liberty Lake Zip Code - Washington
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Liberty Lake City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Liberty Lake ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Liberty Lake, Washington.
The Liberty Lake Zip Code is 99019.
If you want to send a mail to Liberty Lake City, you should use the 99019 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Liberty Lake 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 99019 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Liberty Lake 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.