ZIP code 04619 is officially located in the state of Maine, primarily serving the city of Calais. It falls under the administrative jurisdiction of Washington County. When planning mail delivery, logistics routing, or demographic research, 04619 operates within the Eastern Time (ET) timezone and supports the 454 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 04619 ZIP Code Tabulation Area is approximately 8,854. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $63,619.