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Mignon J Saddoris (Postmaster)
mignon.j.saddoris@usps.gov
16 5th Ave
Grenville, NM 88424
Grenville, NM 88424
The Grenville Post Office is located in the state of New Mexico within Union County. This location serves 128 Grenville residents with a median income of $57,778. It's estimated that approximately 204 packages pass through this post office each year.