The US Pacific State with 6 letters is Oregon. Oregon is a state in the Pacific Northwest region of the United States. It is bordered by Washington to the north, Idaho to the east, California to the south, and the Pacific Ocean to the west. Oregon is the ninth largest state in the United States and has the third most populous population. The capital of Oregon is Salem and its largest city is Portland. Oregon is known for its diverse landscape of forests, mountains, rivers, and beaches.