ZIP code 01231 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, 01231 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 01231 ZIP Code Tabulation Area is approximately Data Not Available. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $67,231.