Clearlake WA ZIP Code
Clearlake 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 Clearlake WA zip code by its streets and block numbers if we have some of the Clearlake streets loaded in our website
Clearlake Area Code is 360 and Time Zone is Pacific (GMT -08:00).
Clearlake Zip Code - Washington
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Clearlake City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Clearlake ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Clearlake, Washington.
The Clearlake Zip Code is 98235.
If you want to send a mail to Clearlake City, you should use the 98235 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Clearlake 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 98235 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Clearlake 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.