ZIP code 02030 is officially located in the state of Massachusetts, primarily serving the city of Dover. It falls under the administrative jurisdiction of Norfolk County. When planning mail delivery, logistics routing, or demographic research, 02030 operates within the Eastern Time (ET) timezone and supports the 263 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 02030 ZIP Code Tabulation Area is approximately 40,863. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $50,030.