ZIP code 37404 is officially located in the state of Tennessee, primarily serving the city of Chattanooga. It falls under the administrative jurisdiction of Hamilton County. When planning mail delivery, logistics routing, or demographic research, 37404 operates within the Central Time (CT) timezone and supports the 679 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 37404 ZIP Code Tabulation Area is approximately 28,679. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $108,404.