ZIP Code 57066

57066 is one of South Dakota's ZIP codes, delivering to addresses in Tyndall, Bon Homme County.

City: Tyndall
County: Bon Homme County
State: South Dakota
Prefix: 570xx

Where this code sits

57066 is part of the 570xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Tyndall.

Tyndall South Dakota ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 57066 delivers to without sharing its boundary.

605 Area code 605

ZIP codes nearest 57066

The ZIP codes whose reference points sit closest to 57066.
ZIP code	Distance	Delivers to
ZIP code 57062	9.0 mi	Springfield, SD
ZIP code 57315	9.0 mi	Avon, SD
ZIP code 57063	9.4 mi	Tabor, SD
ZIP code 57059	11 mi	Scotland, SD
ZIP code 57040	14 mi	Lesterville, SD
ZIP code 57329	16 mi	Dante, SD
ZIP code 68760	18 mi	Niobrara, NE
ZIP code 57376	18 mi	Tripp, 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 57066, plotted from its record coordinates.

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

Scope ZIP code 57066. 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.