ZIP code 48817 is officially located in the state of Michigan, primarily serving the city of Corunna. It falls under the administrative jurisdiction of Shiawassee County. When planning mail delivery, logistics routing, or demographic research, 48817 operates within the Eastern Time (ET) timezone and supports the 737 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 48817 ZIP Code Tabulation Area is approximately 44,137. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $129,817.