ZIP code 78148 is officially located in the state of Texas, primarily serving the city of Randolph a f b. It falls under the administrative jurisdiction of Bexar County. When planning mail delivery, logistics routing, or demographic research, 78148 operates within the Central Time (CT) timezone and supports the 386 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 78148 ZIP Code Tabulation Area is approximately 40,286. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $56,148.