Saint Helena Island zipcode
| City | Saint Helena Island |
| ZIP Code | 29920 |
| Type | Standard |
| State Code | SC |
| State | South Carolina |
ZIP code of Saint Helena Island is 29920. This place is located in South Carolina state in US. To send any postal service to Saint Helena Island, you must use 29920 zipcode.
The ZIP code 29920 is also used with 2 more city names of South Carolina.
- Fripp Island, SC
- St Helena Is, SC
You should avoid following 3 city names of South Carolina to be used with the ZIP code 29920.
- Dataw Island, SC
- Frogmore, SC
- Harbor Isl, SC