Norman J Morin (Postmaster)
norman.j.morin@usps.gov
241 Nh Route 120
Cornish Flat, NH 03746
Cornish Flat, NH 03746
The Cornish Flat Post Office is located in the state of New Hampshire within Sullivan County. This location serves 216 Cornish Flat residents with a median income of $74,500. It's estimated that approximately 345 packages pass through this post office each year.