Patricia A Mashaw (Postmaster)
patricia.a.mashaw@usps.gov
6036 Main St
Glenfield, NY 13343
Glenfield, NY 13343
The Glenfield Post Office is located in the state of New York within Lewis County. This location serves 1,658 Glenfield residents with a median income of $42,826. It's estimated that approximately 2,646 packages pass through this post office each year.