37920
From Knoxville Tennessee Wiki
37920 is located in South Knoxville, across the Tennessee River from Downtown Knoxville. 37920 is the largest geographically of the Knoxville, Tennessee zip codes, while also being one of the least populated.
South Knoxville is marked by several beautiful older, wooded neighborhoods (such as Island Home), larger lots, and the cost of homes and business real estate in this area is considerably less than that in its immediate neighboring zip codes in Downtown and West Knoxville.
South Knoxville is one of the zip codes of Knoxville receiving the greatest amount of attention for development. This includes a South Knoxville Strategic Development Plan and ongoing riverfront and inland residential, entertainment and business developments.
37920 is the only Knoxville zip code that boasts having its own airport –The Island Home Airport - directly opposite of Downtown; and it is one of the closest zips to Knoxville’s major airport (which is actually located in Alcoa, a city of Blount County), McGhee-Tyson Airport.
There are three bridges that make the connection between Downtown and South Knoxville. These are:
South Knoxville is also marked by several outdoor attractions, including Ijam’s Nature Center, and its proximity to Great Smoky Mountains National Park, which is closer to 37920 than any other Knoxville zip code.