ZIP code 48748 is officially located in the state of Michigan, primarily serving the city of National city. It falls under the administrative jurisdiction of Iosco County. When planning mail delivery, logistics routing, or demographic research, 48748 operates within the Eastern Time (ET) timezone and supports the 691 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 48748 ZIP Code Tabulation Area is approximately 26,591. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $56,748.