ZIP code 03216 is officially located in the state of New hampshire, primarily serving the city of Andover. It falls under the administrative jurisdiction of Merrimack County. When planning mail delivery, logistics routing, or demographic research, 03216 operates within the Eastern Time (ET) timezone and supports the 398 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 03216 ZIP Code Tabulation Area is approximately 3,898. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $112,216.