Usa-Places.com has listed approx 5 Real estate agencies in PA 18020. Some of the Top rated Real estate agencies in PA 18020 are- Iron Valley Real Estate of Lehigh Valley- Bethlehem Office, Real Living Action Realty - Bethlehem Office, Keller Williams Real Estate, CENTURY 21 Pinnacle & Century 21 Keim Realtors - Bethlehem.