USPS Location
- Johns Island
2860 Maybank Hwy, Johns Island, SC 29455
843-559-0622
Bulk Mail Acceptance, Bulk Mail Account Balance, Bulk Mail New Permit, Burial Flags, 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, Passport Acceptance, Passport Photo, Pickup Accountable Mail, Pickup Hold Mail