ZIP code 75203 is officially located in the state of Texas, primarily serving the city of Dallas. It falls under the administrative jurisdiction of Dallas County. When planning mail delivery, logistics routing, or demographic research, 75203 operates within the Central Time (CT) timezone and supports the 394 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 75203 ZIP Code Tabulation Area is approximately 18,594. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $91,203.