ZIP Code 57353

57353 is one of South Dakota's ZIP codes, delivering to addresses in Iroquois, Kingsbury County.

City: Iroquois
County: Kingsbury County
State: South Dakota
Prefix: 573xx

Where this code sits

57353 is part of the 573xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Iroquois.

Iroquois South Dakota ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 57353 delivers to without sharing its boundary.

605 Area code 605

ZIP codes nearest 57353

The ZIP codes whose reference points sit closest to 57353.
ZIP code	Distance	Delivers to
ZIP code 57324	8.3 mi	Cavour, SD
ZIP code 57231	15 mi	De Smet, SD
ZIP code 57323	15 mi	Carthage, SD
ZIP code 57386	15 mi	Yale, SD
ZIP code 57399	18 mi	Huron, SD
ZIP code 57350	18 mi	Huron, SD
ZIP code 57278	21 mi	Willow Lake, SD
ZIP code 57322	22 mi	Carpenter, SD

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 57353, plotted from its record coordinates.

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

Scope ZIP code 57353. 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.