ZIP Code 29423
29423 is one of South Carolina's ZIP codes, delivering to addresses in Charleston, Charleston County.
- City
- Charleston
- County
- Charleston County
- State
- South Carolina
- Prefix
- 294xx
Where this code sits
29423 is part of the 294xx range, the group of codes handled by one mail processing centre. Charleston is served by 16 ZIP codes in total; the full list, with the county each falls in, is on the Charleston page.
Charleston South Carolina ZIP codes →
Area codes over the same ground
Postal and telephone geography are drawn separately, so these codes cover the area 29423 delivers to without sharing its boundary.
ZIP codes nearest 29423
| ZIP code | Distance | Delivers to |
|---|---|---|
| ZIP code 29413 | 0.0 mi | Charleston, SC |
| ZIP code 29416 | 0.0 mi | Charleston, SC |
| ZIP code 29417 | 0.0 mi | Charleston, SC |
| ZIP code 29422 | 0.0 mi | Charleston, SC |
| ZIP code 29464 | 2.2 mi | Mount Pleasant, SC |
| ZIP code 29466 | 3.3 mi | Mount Pleasant, SC |
| ZIP code 29465 | 3.8 mi | Mount Pleasant, SC |
| ZIP code 29482 | 6.0 mi | Sullivans Island, SC |
Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Scope ZIP code 29423. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated . A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.