ZIP code 05640 is officially located in the state of Vermont, primarily serving the city of Adamant. It falls under the administrative jurisdiction of Washington County. When planning mail delivery, logistics routing, or demographic research, 05640 operates within the Eastern Time (ET) timezone and supports the 649 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 05640 ZIP Code Tabulation Area is approximately 13,949. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $120,640.