ZIP code 37139 is officially located in the state of Tennessee, primarily serving the city of Old hickory. It falls under the administrative jurisdiction of Davidson County. When planning mail delivery, logistics routing, or demographic research, 37139 operates within the Central Time (CT) timezone and supports the 567 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 37139 ZIP Code Tabulation Area is approximately Data Not Available. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $103,139.