ZIP code 01237 is officially located in the state of Massachusetts, primarily serving the city of Hancock. It falls under the administrative jurisdiction of Berkshire County. When planning mail delivery, logistics routing, or demographic research, 01237 operates within the Eastern Time (ET) timezone and supports the 796 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 01237 ZIP Code Tabulation Area is approximately 38,596. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $69,237.