ZIP code 04554 is officially located in the state of Maine, primarily serving the city of New harbor. It falls under the administrative jurisdiction of Lincoln County. When planning mail delivery, logistics routing, or demographic research, 04554 operates within the Eastern Time (ET) timezone and supports the 864 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 04554 ZIP Code Tabulation Area is approximately 38,664. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $58,554.