ZIP code 19428 is officially located in the state of Pennsylvania, primarily serving the city of West conshohocke. It falls under the administrative jurisdiction of Montgomery County. When planning mail delivery, logistics routing, or demographic research, 19428 operates within the Eastern Time (ET) timezone and supports the 420 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 19428 ZIP Code Tabulation Area is approximately 34,720. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $116,428.