ZIP code 78006 is officially located in the state of Texas, primarily serving the city of Sisterdale. It falls under the administrative jurisdiction of Kendall County. When planning mail delivery, logistics routing, or demographic research, 78006 operates within the Central Time (CT) timezone and supports the 760 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 78006 ZIP Code Tabulation Area is approximately 39,960. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $42,006.