Grays River, WA

ZIP code 98621 serves Ilwaco, Washington, at the southern end of the Long Beach Peninsula near the mouth of the Columbia River. Notable landmarks include Cape Disappointment State Park, home to the Cape Disappointment and North Head lighthouses, and the Lewis and Clark Interpretive Center overlooking the river entrance. The area also includes the Port of Ilwaco, a working marina, and the Columbia Pacific Heritage Museum.