ZIP code 03042 is officially located in the state of New hampshire, primarily serving the city of Epping. It falls under the administrative jurisdiction of Rockingham County. When planning mail delivery, logistics routing, or demographic research, 03042 operates within the Eastern Time (ET) timezone and supports the 423 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 03042 ZIP Code Tabulation Area is approximately 32,623. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $54,042.