ZIP code 70663 is officially located in the state of Louisiana, primarily serving the city of Sulphur. It falls under the administrative jurisdiction of Calcasieu Parish County. When planning mail delivery, logistics routing, or demographic research, 70663 operates within the Central Time (CT) timezone and supports the 413 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 70663 ZIP Code Tabulation Area is approximately 16,513. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $111,663.