Coulee City, WA

ZIP code 99115 covers the town of Coulee City in Washington state. Situated along Banks Lake, this area offers stunning views of the surrounding landscape. One of the most prominent landmarks in this ZIP code is Sun Lakes-Dry Falls State Park, known for its breathtaking waterfalls and sprawling desert terrain. The Grand Coulee Dam, a massive hydroelectric facility, is also a notable feature in the area.