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USPS
IL
Mason
MASON - USPS Locations
on map
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bad place
755 Adams St, Mason, IL 62443
618-238-4830
Mo. 8:00am-4:15pm
Tu. 8:00am-4:15pm
We. 8:00am-4:15pm
Th. 8:00am-4:15pm
Fr. 8:00am-4:15pm
Sa. 8:00am-9:30am
Su. CLOSED
Bulk Mail Acceptance, General Delivery, Money Orders (Domestic), Money Orders (Inquiry), PO Box Online, Pickup Accountable Mail, Pickup Hold Mail, Priority Mail International