Caroline N Costello (Postmaster)
caroline.n.costello@usps.gov
203 Us Route 2
Grand Isle, VT 05458
Grand Isle, VT 05458
The Grand Isle Post Office is located in the state of Vermont within Grand Isle County. This location serves 2,044 Grand Isle residents with a median income of $66,595. It's estimated that approximately 3,262 packages pass through this post office each year.