ZIP code 83406 is officially located in the state of Idaho, primarily serving the city of Idaho falls. It falls under the administrative jurisdiction of Bonneville County. When planning mail delivery, logistics routing, or demographic research, 83406 operates within the Mountain Time (MT) timezone and supports the 203 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 83406 ZIP Code Tabulation Area is approximately 43,603. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $42,406.