ZIP code 23356 is officially located in the state of Virginia, primarily serving the city of Greenbackville. It falls under the administrative jurisdiction of Accomack County. When planning mail delivery, logistics routing, or demographic research, 23356 operates within the Eastern Time (ET) timezone and supports the 501 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 23356 ZIP Code Tabulation Area is approximately 36,201. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $92,356.