J Clark Moffitt (Postmaster)
julian.c.moffitt@usps.gov
50 School Rd
Mill Spring, NC 28756
Mill Spring, NC 28756
The Mill Spring Post Office is located in the state of North Carolina within Polk County. This location serves 4,504 Mill Spring residents with a median income of $31,605. It's estimated that approximately 7,189 packages pass through this post office each year.