About 18656 - Sweet Valley, Pennsylvania
ZIP code 18656 covers the community of Sweet Valley in Pennsylvania, the United States. This area falls under Sweet Valley County County.
Census data puts the population of this ZIP code at 5,678 residents. It's a quieter, less populous area than the typical Pennsylvania ZIP code (avg. ~22,902).
Median household income is about $90,900 (above the Pennsylvania average).
Other ZIP code codes in Pennsylvania serve areas such as New Castle, Philadelphia, Clearfield.