ZIP code 39503 is officially located in the state of Mississippi, primarily serving the city of Gulfport. It falls under the administrative jurisdiction of Harrison County. When planning mail delivery, logistics routing, or demographic research, 39503 operates within the Central Time (CT) timezone and supports the 380 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 39503 ZIP Code Tabulation Area is approximately 39,580. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $91,503.