Indian Trail Housing Market Update/Video April 2019. Indian Trail, NC (28079 zip code) area includes the towns of Stallings, Hemby Bridge, and Lake Park in Union County. The Indian Trail area saw an increase in both average and median home prices year-over-year. Prices continue to increase because the months supply of homes for sale remains low at just 2.1 months; inventory decreased, as did new listings. Both closed and pending sales increased in April. Indian Trail remains a seller’s market.