ZIP code 06021 is officially located in the state of Connecticut, primarily serving the city of Colebrook. It falls under the administrative jurisdiction of Litchfield County. When planning mail delivery, logistics routing, or demographic research, 06021 operates within the Eastern Time (ET) timezone and supports the 454 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 06021 ZIP Code Tabulation Area is approximately 43,854. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $97,021.