ZIP code 18057 is officially located in the state of Pennsylvania, primarily serving the city of Hereford. It falls under the administrative jurisdiction of Berks County. When planning mail delivery, logistics routing, or demographic research, 18057 operates within the Eastern Time (ET) timezone and supports the 793 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 18057 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 $109,057.