ZIP code 43921 is officially located in the state of Ohio, primarily serving the city of Calcutta. It falls under the administrative jurisdiction of Columbiana County. When planning mail delivery, logistics routing, or demographic research, 43921 operates within the Eastern Time (ET) timezone and supports the 602 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 43921 ZIP Code Tabulation Area is approximately Data Not Available. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $97,921.