Post office locations in 29920
| Post Office | Address | Phone | Hours |
| SAINT HELENA ISLAND | 774 SEA ISLAND PKWY SAINT HELENA ISLAND, SC 29920 - 9998 | 843-838-4426 | Mon-Tue, Thu-Fri 08:30 AM - 04:30 PM Wed 08:30 AM - 12:00 PM Sat 09:00 AM - 12:00 PM Sun Closed |
| Post Office | Address | Phone | Hours |
| SAINT HELENA ISLAND | 774 SEA ISLAND PKWY SAINT HELENA ISLAND, SC 29920 - 9998 | 843-838-4426 | Mon-Tue, Thu-Fri 08:30 AM - 04:30 PM Wed 08:30 AM - 12:00 PM Sat 09:00 AM - 12:00 PM Sun Closed |