ZIP code 38401 is officially located in the state of Tennessee, primarily serving the city of Columbia. It falls under the administrative jurisdiction of Maury County. When planning mail delivery, logistics routing, or demographic research, 38401 operates within the Central Time (CT) timezone and supports the 555 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 38401 ZIP Code Tabulation Area is approximately 39,055. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $57,401.