The Pacific Coast International League was a Class B circuit that operated in 1918 to 1921.
Pacific Coast International (B 1918-1921)
1918 Aberdeen WA, Portland OR, Seattle WA, Spokane WA, Tacoma WA, Vancouver BC
1919 Victoria, BC entered the league; Aberdeen, Portland and Spokane left the league.
1920 Spokane, WA and Yakima, WA entered the league.
1921 Seattle and Spokane left the league.