Postal reference / United States
29457Johns Island, South Carolina
ZIP code 29457 is a United States postal code for Johns Island, South Carolina. Its county association is Charleston County. The map reference point is at 32.7924, -80.1081.
- State / territory
- South Carolina
- Recorded place name
- Johns Island
- County association
- Charleston
- Estimated coordinate
- 32.7924, -80.1081
View on OpenStreetMap - ZIP prefix
- 294 · 72 ZIP codes share it
- Data source
- GeoNames postal reference, snapshot September 26, 2026
GeoNames reference data. County associations may not include every intersecting county, place names are postal names rather than legal boundaries, and coordinates are approximate. This is not address validation.
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South Carolina directoryOther ZIP codes in Johns Island, SC
Johns Island has 2 ZIP codes in the reference dataset.
- 29455Charleston
Nearby ZIP code reference points
| ZIP code | Place | State | County association | Miles |
|---|---|---|---|---|
| 29455 | Johns Island | SC | Charleston | 0.0 |
| 29414 | Charleston | SC | Charleston | 3.6 |
| 29407 | Charleston | SC | Charleston | 5.9 |
| 29470 | Ravenel | SC | Charleston | 6.6 |
| 29404 | Charleston Afb | SC | Charleston | 7.7 |
| 29418 | North Charleston | SC | Charleston | 7.8 |
| 29405 | North Charleston | SC | Charleston | 8.0 |
| 29409 | Charleston | SC | Charleston | 8.6 |
Straight-line distance between reference points. Nearby points do not prove that ZIP areas touch.
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