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Mammoth Post Office Hours

Retail Hours

Monday-Friday 8:30am - 4:30pm
Saturday-Sunday Closed

Bulk Mail Acceptance Hours

Monday-Friday 8:30am - 4:00pm
Saturday-Sunday Closed

Monday Saturday 7:45am - 5:00pm
Tuesday-Friday 8:00am - 5:00pm
Sunday Closed
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Jessamy A Clark (Postmaster)
230 S Main St
Mammoth, AZ 85618

The Mammoth Post Office is located in the state of Arizona within Pinal County. This location serves 1,725 Mammoth residents with a median income of $38,603. It's estimated that approximately 2,753 packages pass through this post office each year.

Mammoth Post Office Location 85618

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