The Napa Post Office is located in the state of California within Napa County. This location serves 66,830 Napa residents with a median income of $71,599. It's estimated that approximately 106,668 packages pass through this post office each year.
The Napa Post Office is located in the state of California within Napa County. This location serves 66,830 Napa residents with a median income of $71,599. It's estimated that approximately 106,668 packages pass through this post office each year.