ZIP Code 29451

29451 is one of South Carolina's ZIP codes, delivering to addresses in Isle Of Palms, Charleston County.

City: Isle Of Palms
County: Charleston County
State: South Carolina
Prefix: 294xx

Where this code sits

29451 is part of the 294xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Isle Of Palms.

Isle Of Palms South Carolina ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 29451 delivers to without sharing its boundary.

ZIP codes nearest 29451

The ZIP codes whose reference points sit closest to 29451.
ZIP code	Distance	Delivers to
ZIP code 29482	4.4 mi	Sullivans Island, SC
ZIP code 29464	4.6 mi	Mount Pleasant, SC
ZIP code 29465	5.2 mi	Mount Pleasant, SC
ZIP code 29466	5.4 mi	Mount Pleasant, SC
ZIP code 29413	6.2 mi	Charleston, SC
ZIP code 29416	6.2 mi	Charleston, SC
ZIP code 29417	6.2 mi	Charleston, SC
ZIP code 29422	6.2 mi	Charleston, 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 29451, plotted from its record coordinates.

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

Scope ZIP code 29451. 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.