ZIP code 04428 is officially located in the state of Maine, primarily serving the city of East eddington. It falls under the administrative jurisdiction of Penobscot County. When planning mail delivery, logistics routing, or demographic research, 04428 operates within the Eastern Time (ET) timezone and supports the 463 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 04428 ZIP Code Tabulation Area is approximately 33,363. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $116,428.