ZIP code 03869 is officially located in the state of New hampshire, primarily serving the city of Rollinsford. It falls under the administrative jurisdiction of Strafford County. When planning mail delivery, logistics routing, or demographic research, 03869 operates within the Eastern Time (ET) timezone and supports the 866 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 03869 ZIP Code Tabulation Area is approximately 39,366. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $113,869.