ZIP code 07021 is officially located in the state of New jersey, primarily serving the city of Essex fells. It falls under the administrative jurisdiction of Essex County. When planning mail delivery, logistics routing, or demographic research, 07021 operates within the Eastern Time (ET) timezone and supports the 797 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 07021 ZIP Code Tabulation Area is approximately 35,797. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $97,021.