ZIP code 18242 is officially located in the state of Pennsylvania, primarily serving the city of Oneida. It falls under the administrative jurisdiction of Schuylkill County. When planning mail delivery, logistics routing, or demographic research, 18242 operates within the Eastern Time (ET) timezone and supports the 311 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 18242 ZIP Code Tabulation Area is approximately 43,011. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $54,242.