ZIP Code 57429

57429 is one of South Dakota's ZIP codes, delivering to addresses in Brentford, Spink County.

City: Brentford
County: Spink County
State: South Dakota
Prefix: 574xx

Where this code sits

57429 is part of the 574xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Brentford.

Brentford South Dakota ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 57429 delivers to without sharing its boundary.

605 Area code 605

ZIP codes nearest 57429

The ZIP codes whose reference points sit closest to 57429.
ZIP code	Distance	Delivers to
ZIP code 57461	7.9 mi	Mellette, SD
ZIP code 57434	8.3 mi	Conde, SD
ZIP code 57474	8.7 mi	Stratford, SD
ZIP code 57424	8.9 mi	Ashton, SD
ZIP code 57460	13 mi	Mansfield, SD
ZIP code 57477	14 mi	Turton, SD
ZIP code 57479	15 mi	Warner, SD
ZIP code 57439	16 mi	Ferney, 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 57429, plotted from its record coordinates.

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

Scope ZIP code 57429. 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.