ZIP Code 57564

57564 is one of South Dakota's ZIP codes, delivering to addresses in Onida, Sully County.

City: Onida
County: Sully County
State: South Dakota
Prefix: 575xx

Where this code sits

57564 is part of the 575xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Onida.

Onida South Dakota ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 57564 delivers to without sharing its boundary.

605 Area code 605

ZIP codes nearest 57564

The ZIP codes whose reference points sit closest to 57564.
ZIP code	Distance	Delivers to
ZIP code 57520	8.8 mi	Agar, SD
ZIP code 57522	16 mi	Blunt, SD
ZIP code 57536	22 mi	Harrold, SD
ZIP code 57442	22 mi	Gettysburg, SD
ZIP code 57501	26 mi	Pierre, SD
ZIP code 57455	27 mi	Lebanon, SD
ZIP code 57540	28 mi	Holabird, SD
ZIP code 57532	30 mi	Fort Pierre, 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 57564, plotted from its record coordinates.

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

Scope ZIP code 57564. 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.