ZIP Code 57470

57470 is one of South Dakota's ZIP codes, delivering to addresses in Rockham, Faulk County.

City: Rockham
County: Faulk County
State: South Dakota
Prefix: 574xx

Where this code sits

57470 is part of the 574xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Rockham.

Rockham South Dakota ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 57470 delivers to without sharing its boundary.

605 Area code 605

ZIP codes nearest 57470

The ZIP codes whose reference points sit closest to 57470.
ZIP code	Distance	Delivers to
ZIP code 57467	12 mi	Orient, SD
ZIP code 57469	17 mi	Redfield, SD
ZIP code 57476	18 mi	Tulare, SD
ZIP code 57435	21 mi	Cresbard, SD
ZIP code 57438	22 mi	Faulkton, SD
ZIP code 57465	22 mi	Northville, SD
ZIP code 57373	25 mi	Saint Lawrence, SD
ZIP code 57424	26 mi	Ashton, 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 57470, plotted from its record coordinates.

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

Scope ZIP code 57470. 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.