ZIP code 04631 is officially located in the state of Maine, primarily serving the city of Eastport. It falls under the administrative jurisdiction of Washington County. When planning mail delivery, logistics routing, or demographic research, 04631 operates within the Eastern Time (ET) timezone and supports the 446 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 04631 ZIP Code Tabulation Area is approximately 31,946. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $67,631.