ZIP code 78383 is officially located in the state of Texas, primarily serving the city of Sandia. It falls under the administrative jurisdiction of Live Oak County. When planning mail delivery, logistics routing, or demographic research, 78383 operates within the Central Time (CT) timezone and supports the 624 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 78383 ZIP Code Tabulation Area is approximately 15,324. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $51,383.