Deborah Billingsley (Postmaster)
deborah.a.billingsley@usps.gov
3030 N State Road 3
Mongo, IN 46771
Mongo, IN 46771
The Mongo Post Office is located in the state of Indiana within Lagrange County. This location serves 105 Mongo residents with a median income of $0. It's estimated that approximately 168 packages pass through this post office each year.