USPS Location
- Williamston
101 Mill St, Williamston, SC 29697
864-847-9468
Bulk Mail Acceptance, Bulk Mail Account Balance, Bulk Mail New Permit, Burial Flags, Duck Stamps, General Delivery, Global Express Guaranteed, Money Orders (Domestic), Money Orders (Inquiry), Money Orders (International), PO Box Online, Pickup Accountable Mail, Pickup Hold Mail, Priority Mail International