ZIP code 11939 is officially located in the state of New york, primarily serving the city of East marion. It falls under the administrative jurisdiction of Suffolk County. When planning mail delivery, logistics routing, or demographic research, 11939 operates within the Eastern Time (ET) timezone and supports the 612 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 11939 ZIP Code Tabulation Area is approximately 32,812. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $103,939.