ZIP code 62988 is officially located in the state of Illinois, primarily serving the city of Tamms. It falls under the administrative jurisdiction of Alexander County. When planning mail delivery, logistics routing, or demographic research, 62988 operates within the Central Time (CT) timezone and supports the 870 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 62988 ZIP Code Tabulation Area is approximately 9,970. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $136,988.