ZIP code 04430 is officially located in the state of Maine, primarily serving the city of East millinocket. It falls under the administrative jurisdiction of Penobscot County. When planning mail delivery, logistics routing, or demographic research, 04430 operates within the Eastern Time (ET) timezone and supports the 726 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 04430 ZIP Code Tabulation Area is approximately 29,426. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $50,430.