Arizona borders four states including New Mexico, Utah, Nevada, and California. However, California is Arizona's only state bordering the Pacific coast.
California borders Arizona to the West on the Pacific side
That state is California, but the question err's when it cites only four states with borders.
California
Oregon is the only state that touches both the State of Washington and the Pacific Ocean.
California is on Arizona's eastern border
California.
California is further southwest but is not in the Southwest. It is a Pacific Coast state.
Alaska is the only state that touches two oceans. Alaska is bordered by the Arctic Ocean to the north and the Pacific Ocean to the south and southwest.
West coast of the United States.
It is next to California, but it also touches Arizona, Utah, Idaho and Oregon.
South Africa touches the Indian and Atlantic Oceans, Chile touches the Atlantic and the Pacific Oceans, and although the boundaries are not fully recognized Australia touches the Pacific and Indian Oceans. No Country touches all three.
Alaska touches the Arctic and Pacific Oceans
The Pacific Ocean touches China. It is located to the east of the country.
New Mexico borders Arizona, Colorado, Oklahoma, Texas, and Utah.
Mexico borders the Southwestern states of Arizona, New Mexico and Texas.