ZIP code 01230 is officially located in the state of Massachusetts, primarily serving the city of Great barrington. It falls under the administrative jurisdiction of Berkshire County. When planning mail delivery, logistics routing, or demographic research, 01230 operates within the Eastern Time (ET) timezone and supports the 553 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 01230 ZIP Code Tabulation Area is approximately 37,653. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $50,230.