Zip code 29457: Johns Island, South Carolina
This zip has no delivery boundary. The map shows its post office location and nearby zip codes.
About 29457
29457 is a non-residential zip code for Johns Island, South Carolina (Charleston County). It has no delivery area of its own, so the Census Bureau doesn't publish population or housing figures for it. Codes like this are usually assigned to post office boxes, or to a single organization such as a university, hospital, government agency or large company that gets enough mail to need its own zip code.
For a picture of the people who live around 29457, see the residential zip codes in the nearby list below.
Geography
- City (USPS)
- Johns Island
- State
- South Carolina
- County
- Charleston County
- Center point
- 32.7924° N, 80.1081° W
- Time zone
- Eastern Time (UTC-5, UTC-4 in summer)
- Zip type
- PO box or unique zip
Zip codes near 29457
| Zip | City | Distance | IncomeMedian income |
|---|---|---|---|
| 29414 | Charleston, SC | 3.5 mi | $99,529 |
| 29470 | Ravenel, SC | 6.1 mi | $86,410 |
| 29407 | Charleston, SC | 6.4 mi | $85,367 |
| 29455 | Johns Island, SC | 7.5 mi | $121,372 |
| 29404 | Charleston Afb, SC | 8 mi | $54,716 |
| 29418 | North Charleston, SC | 8.1 mi | $64,583 |
| 29405 | North Charleston, SC | 8.5 mi | $56,600 |
| 29409 | Charleston, SC | 8.6 mi | — |
| 29415 | North Charleston, SC · PO box | 8.9 mi | — |
| 29419 | North Charleston, SC · PO box | 8.9 mi | — |
| 29425 | Charleston, SC | 9.3 mi | — |
| 29403 | Charleston, SC | 9.5 mi | $66,944 |
Questions about 29457
What city is zip code 29457?
29457 is assigned to Johns Island, South Carolina. The city name is the one the Postal Service prefers for mail addressed to this zip code.
What county is 29457 in?
29457 is in Charleston County, South Carolina.
What time zone is 29457 in?
29457 is in Eastern Time.
What zip codes are near 29457?
The closest zip codes to 29457 are 29414, 29470, 29407, 29455, 29404.
Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 29457, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.