LegacyTexas Bank expects to be integrated into Prosperity Bank by early 2020. The two banks entered into a merger in June. LegacyTexas has been headquartered at 2101 Custer Road, Plano. LegacyTexas has 42 locations in Texas that will join Prosperity Bank. Seven of its banking locations are in Plano. 972-578-5000. www.legacytexas.com