1 definition found reydon - U.S. Gazetteer (1990) : Reydon, OK (town, FIPS 63100) Location: 35.65006 N, 99.92367 W Population (1990): 200 (115 housing units) Area: 1.1 sq km (land), 0.0 sq km (water) Zip code(s): 73660