Peggy Larsen (Postmaster)
peggy.a.larsen@usps.gov
72 Northumberland Hwy
Callao, VA 22435
Callao, VA 22435
The Callao Post Office is located in the state of Virginia within Northumberland County. This location serves 2,439 Callao residents with a median income of $38,648. It's estimated that approximately 3,893 packages pass through this post office each year.