1 definition found west wareham - U.S. Gazetteer (1990) : West Wareham, MA (CDP, FIPS 78410) Location: 41.78985 N, 70.75656 W Population (1990): 2059 (970 housing units) Area: 9.6 sq km (land), 0.2 sq km (water) Zip code(s): 02576