ZIP code 29203 is officially located in the state of South carolina, primarily serving the city of Columbia. It falls under the administrative jurisdiction of Richland County. When planning mail delivery, logistics routing, or demographic research, 29203 operates within the Eastern Time (ET) timezone and supports the 817 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 29203 ZIP Code Tabulation Area is approximately 10,617. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $91,203.