ZIP code 18817 is officially located in the state of Pennsylvania, primarily serving the city of East smithfield. It falls under the administrative jurisdiction of Bradford County. When planning mail delivery, logistics routing, or demographic research, 18817 operates within the Eastern Time (ET) timezone and supports the 643 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 18817 ZIP Code Tabulation Area is approximately 4,843. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $129,817.