Patricia L Kosmowski (Postmaster)
patricia.l.kosmowski@usps.gov
1402 Broadway
Darien Center, NY 14040
Darien Center, NY 14040
The Darien Center Post Office is located in the state of New York within Genesee County. This location serves 2,217 Darien Center residents with a median income of $66,708. It's estimated that approximately 3,539 packages pass through this post office each year.