ZIP Code 57315

57315 is one of South Dakota's ZIP codes, delivering to addresses in Avon, Bon Homme County.

City: Avon
County: Bon Homme County
State: South Dakota
Prefix: 573xx

Where this code sits

57315 is part of the 573xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Avon.

Avon South Dakota ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 57315 delivers to without sharing its boundary.

605 Area code 605

ZIP codes nearest 57315

The ZIP codes whose reference points sit closest to 57315.
ZIP code	Distance	Delivers to
ZIP code 57329	8.0 mi	Dante, SD
ZIP code 57066	9.0 mi	Tyndall, SD
ZIP code 57062	13 mi	Springfield, SD
ZIP code 57380	13 mi	Wagner, SD
ZIP code 57376	14 mi	Tripp, SD
ZIP code 57059	16 mi	Scotland, SD
ZIP code 57330	16 mi	Delmont, SD
ZIP code 57063	18 mi	Tabor, 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 57315, plotted from its record coordinates.

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

Scope ZIP code 57315. 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.