The American Samoa Telecommunications Authority (ASTCA) is American Samoa's telecommunication leader to the world, providing advanced state-of-the-art digital telephone, Cellular, Internet and Long Distance service to and from American Samoa's most remote and challenging areas. Whether you are hiking in Ta'u, fishing off the coast of Tutu'ila, or working in the office in Pago Pago - ASTCA connects you and American Samoa to the World.