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USPS
IA
Williamson
USPS Location
- Williamson
103 W South Ave, Williamson, IA 50272
641-862-3812
Mo. 7:00am-4:15pm
Tu. 7:00am-4:15pm
We. 7:00am-4:15pm
Th. 7:00am-4:15pm
Fr. 7:00am-4:15pm
Sa. 8:00am-9:45am
Su. CLOSED
Bulk Mail Acceptance, Bulk Mail New Permit, General Delivery, Money Orders (Domestic), Money Orders (Inquiry), Money Orders (International), PO Box Online, Pickup Accountable Mail, Pickup Hold Mail, Priority Mail International
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