ZIP code 18818 is officially located in the state of Pennsylvania, primarily serving the city of Friendsville. It falls under the administrative jurisdiction of Susquehanna County. When planning mail delivery, logistics routing, or demographic research, 18818 operates within the Eastern Time (ET) timezone and supports the 795 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 18818 ZIP Code Tabulation Area is approximately 34,395. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $46,818.