ZIP code 06421 is officially located in the state of Connecticut, primarily serving the city of Salem. It falls under the administrative jurisdiction of New London County. When planning mail delivery, logistics routing, or demographic research, 06421 operates within the Eastern Time (ET) timezone and supports the 346 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 06421 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 $97,421.