ZIP code 06377 is officially located in the state of Connecticut, primarily serving the city of Sterling. It falls under the administrative jurisdiction of Windham County. When planning mail delivery, logistics routing, or demographic research, 06377 operates within the Eastern Time (ET) timezone and supports the 393 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 06377 ZIP Code Tabulation Area is approximately 22,093. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $49,377.