ZIP Code 29920

29920 is one of South Carolina's ZIP codes, delivering to addresses in Saint Helena Island, Beaufort County.

City: Saint Helena Island
County: Beaufort County
State: South Carolina
Prefix: 299xx

Where this code sits

29920 is part of the 299xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Saint Helena Island.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 29920 delivers to without sharing its boundary.

ZIP codes nearest 29920

The ZIP codes whose reference points sit closest to 29920.
ZIP code	Distance	Delivers to
ZIP code 29901	4.0 mi	Beaufort, SC
ZIP code 29904	7.3 mi	Beaufort, SC
ZIP code 29938	7.3 mi	Hilton Head Island, SC
ZIP code 29935	8.6 mi	Port Royal, SC
ZIP code 29902	8.7 mi	Beaufort, SC
ZIP code 29907	8.7 mi	Beaufort, SC
ZIP code 29905	9.4 mi	Parris Island, SC
ZIP code 29903	13 mi	Beaufort, 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.

Each point is the reference point for 29920, plotted from its record coordinates.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Scope ZIP code 29920. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.