Section 3.65-1 - Thirteenth district(a) The District Office is in Seattle, Wash.(b) The Thirteenth Coast Guard District shall comprise Washington, Oregon, Idaho, and Montana; and the ocean area bounded by a line from California-Oregon state line westerly to latitude 40° N. longitude, 150° W., thence northeasterly to latitude 54°40' N., longitude 140° W., thence due east to the Canadian coast.CGFR 61-40, 26 FR 10352, Nov. 3, 1961