Terrell is an unincorporated community in Catawba County, North Carolina, United States. Since the 2010 census, it has been included within the Lake Norman of Catawba CDP. Terrell is located at 35°35′20.72″N 80°58′39.5″W / 35.5890889°N 80.977639°W within area code 828, ZIP code 28682, and FIPS place code 67180. It sits at an …Terrell is an unincorporated community in Catawba County, North Carolina, United States. Since the 2010 census, it has been included within the Lake Norman of Catawba CDP. Terrell is located at 35°35′20.72″N 80°58′39.5″W / 35.5890889°N 80.977639°W within area code 828, ZIP code 28682, and FIPS place code 67180. It sits at an elevation of 289 m.