ZIP code 08638 is officially located in the state of New jersey, primarily serving the city of Trenton. It falls under the administrative jurisdiction of Mercer County. When planning mail delivery, logistics routing, or demographic research, 08638 operates within the Eastern Time (ET) timezone and supports the 841 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 08638 ZIP Code Tabulation Area is approximately 32,341. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $86,638.