ZIP Code 57466

57466 is one of South Dakota's ZIP codes, delivering to addresses in Onaka, Faulk County.

City: Onaka
County: Faulk County
State: South Dakota
Prefix: 574xx

Where this code sits

57466 is part of the 574xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Onaka.

Onaka South Dakota ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 57466 delivers to without sharing its boundary.

605 Area code 605

ZIP codes nearest 57466

The ZIP codes whose reference points sit closest to 57466.
ZIP code	Distance	Delivers to
ZIP code 57475	8.1 mi	Tolstoy, SD
ZIP code 57473	12 mi	Seneca, SD
ZIP code 57438	15 mi	Faulkton, SD
ZIP code 57450	16 mi	Hoven, SD
ZIP code 57471	17 mi	Roscoe, SD
ZIP code 57455	19 mi	Lebanon, SD
ZIP code 57428	20 mi	Bowdle, SD
ZIP code 57452	25 mi	Java, 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 57466, plotted from its record coordinates.

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

Scope ZIP code 57466. 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.