North Okanagan Mainline League was an Independent and a Senior League that was based in British Columbia
1946 Enderby, Kamloops All Stairs, Kamloops CYO, Revelstoke, Salmon Arm, Vernon
1947 Kamloops Legion enter the League and Kamloops All Stars has left the league
1948 Grindrod and Malakwa enter this League and Kamloops Legion and Vernon left this League