[2] Twin Rocks post office was established in 1914, with William E. Dunsmoor as the first postmaster.

[2] Twin Rocks is near two other unincorporated communities in Tillamook County, Barview and Watseco.

The three communities are all along a 3-mile (5 km) stretch of U.S. Route 101 between the cities of Rockaway Beach and Garibaldi.

Media related to Twin Rocks, Oregon at Wikimedia Commons

This Tillamook County, Oregon state location article is a stub.