ZIP code 07821 is officially located in the state of New jersey, primarily serving the city of Andover. It falls under the administrative jurisdiction of Sussex County. When planning mail delivery, logistics routing, or demographic research, 07821 operates within the Eastern Time (ET) timezone and supports the 620 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 07821 ZIP Code Tabulation Area is approximately 34,220. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $97,821.