Wilma M Collins (Postmaster)
wilma.m.collins@usps.gov
1075 Main St
Mammoth Spring, AR 72554
Mammoth Spring, AR 72554
The Mammoth Spring Post Office is located in the state of Arkansas within Fulton County. This location serves 2,923 Mammoth Spring residents with a median income of $36,537. It's estimated that approximately 4,665 packages pass through this post office each year.