ZIP code 75566 is officially located in the state of Texas, primarily serving the city of Marietta. It falls under the administrative jurisdiction of Cass County. When planning mail delivery, logistics routing, or demographic research, 75566 operates within the Central Time (CT) timezone and supports the 655 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 75566 ZIP Code Tabulation Area is approximately 31,455. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $62,566.