ZIP Code 29856

29856 is one of South Carolina's ZIP codes, delivering to addresses in Windsor, Aiken County.

City: Windsor
County: Aiken County
State: South Carolina
Prefix: 298xx

Where this code sits

29856 is part of the 298xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Windsor.

Windsor South Carolina ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 29856 delivers to without sharing its boundary.

ZIP codes nearest 29856

The ZIP codes whose reference points sit closest to 29856.
ZIP code	Distance	Delivers to
ZIP code 29839	5.7 mi	Montmorenci, SC
ZIP code 29804	7.0 mi	Aiken, SC
ZIP code 29808	7.0 mi	Aiken, SC
ZIP code 29853	7.6 mi	Williston, SC
ZIP code 29826	9.8 mi	Elko, SC
ZIP code 29803	11 mi	Aiken, SC
ZIP code 29809	11 mi	New Ellenton, SC
ZIP code 29801	13 mi	Aiken, 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 29856, plotted from its record coordinates.

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

Scope ZIP code 29856. 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.