Indian Trail Housing Market Update/Video January 2019. Indian Trail, NC (28079 zip code) area includes the towns of Stallings, Hemby Bridge, and Lake Park in Union County. Home prices increased slightly in January compared with the same month one year ago. Despite an increase in new listings and inventory, the months supply of homes remained low at 2.2 month keeping Indian Trail a seller's market. Closed sales increase in January 2018 and days on market dropped.