ZIP Code 57221

57221 is one of South Dakota's ZIP codes, delivering to addresses in Bryant, Hamlin County.

City: Bryant
County: Hamlin County
State: South Dakota
Prefix: 572xx

Where this code sits

57221 is part of the 572xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Bryant.

Bryant South Dakota ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 57221 delivers to without sharing its boundary.

605 Area code 605

ZIP codes nearest 57221

The ZIP codes whose reference points sit closest to 57221.
ZIP code	Distance	Delivers to
ZIP code 57233	7.7 mi	Erwin, SD
ZIP code 57271	10 mi	Vienna, SD
ZIP code 57278	11 mi	Willow Lake, SD
ZIP code 57241	12 mi	Hayti, SD
ZIP code 57248	13 mi	Lake Norden, SD
ZIP code 57242	13 mi	Hazel, SD
ZIP code 57214	14 mi	Badger, SD
ZIP code 57231	16 mi	De Smet, 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 57221, plotted from its record coordinates.

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

Scope ZIP code 57221. 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.