ZIP code 06420 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, 06420 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 06420 ZIP Code Tabulation Area is approximately 32,546. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $80,420.