ZIP Code 57031

57031 is one of South Dakota's ZIP codes, delivering to addresses in Gayville, Yankton County.

City: Gayville
County: Yankton County
State: South Dakota
Prefix: 570xx

Where this code sits

57031 is part of the 570xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Gayville.

Gayville South Dakota ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 57031 delivers to without sharing its boundary.

605 Area code 605

ZIP codes nearest 57031

The ZIP codes whose reference points sit closest to 57031.
ZIP code	Distance	Delivers to
ZIP code 57072	5.1 mi	Volin, SD
ZIP code 68774	8.2 mi	Saint Helena, NE
ZIP code 57073	9.7 mi	Wakonda, SD
ZIP code 68792	10 mi	Wynot, NE
ZIP code 57046	10 mi	Mission Hill, SD
ZIP code 57078	11 mi	Yankton, SD
ZIP code 57067	13 mi	Utica, SD
ZIP code 68736	14 mi	Fordyce, NE

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 57031, plotted from its record coordinates.

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

Scope ZIP code 57031. 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.