ZIP Code 57424

57424 is one of South Dakota's ZIP codes, delivering to addresses in Ashton, Spink County.

City: Ashton
County: Spink County
State: South Dakota
Prefix: 574xx

Where this code sits

57424 is part of the 574xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Ashton.

Ashton South Dakota ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 57424 delivers to without sharing its boundary.

605 Area code 605

ZIP codes nearest 57424

The ZIP codes whose reference points sit closest to 57424.
ZIP code	Distance	Delivers to
ZIP code 57429	8.9 mi	Brentford, SD
ZIP code 57461	9.1 mi	Mellette, SD
ZIP code 57469	13 mi	Redfield, SD
ZIP code 57434	14 mi	Conde, SD
ZIP code 57477	15 mi	Turton, SD
ZIP code 57465	15 mi	Northville, SD
ZIP code 57460	16 mi	Mansfield, SD
ZIP code 57440	17 mi	Frankfort, 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 57424, plotted from its record coordinates.

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

Scope ZIP code 57424. 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.