USPS Location
- Port Deposit
11 S Main St, Port Deposit, MD 21904
410-378-4191
Business Line, Business Reply Mail Account Balance, Business Reply Mail New Permit, Duck Stamps, General Delivery, Global Express Guaranteed, Money Orders (Domestic), Money Orders (Inquiry), Money Orders (International), PO Box Online, Packaged Stamps, Philatelic Services, Pickup Accountable Mail, Pickup Hold Mail, Priority Mail International