ZIP Code 57040

57040 is one of South Dakota's ZIP codes, delivering to addresses in Lesterville, Yankton County.

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

Where this code sits

57040 is part of the 570xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Lesterville.

Lesterville South Dakota ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 57040 delivers to without sharing its boundary.

605 Area code 605

ZIP codes nearest 57040

The ZIP codes whose reference points sit closest to 57040.
ZIP code	Distance	Delivers to
ZIP code 57063	8.5 mi	Tabor, SD
ZIP code 57059	8.8 mi	Scotland, SD
ZIP code 57067	12 mi	Utica, SD
ZIP code 57045	14 mi	Menno, SD
ZIP code 57046	14 mi	Mission Hill, SD
ZIP code 57066	14 mi	Tyndall, SD
ZIP code 57078	15 mi	Yankton, SD
ZIP code 57037	18 mi	Irene, 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 57040, plotted from its record coordinates.

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

Scope ZIP code 57040. 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.