ZIP Code 57717

57717 is one of South Dakota's ZIP codes, delivering to addresses in Belle Fourche, Butte County.

City: Belle Fourche
County: Butte County
State: South Dakota
Prefix: 577xx

Where this code sits

57717 is part of the 577xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Belle Fourche.

Belle Fourche South Dakota ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 57717 delivers to without sharing its boundary.

605 Area code 605

ZIP codes nearest 57717

The ZIP codes whose reference points sit closest to 57717.
ZIP code	Distance	Delivers to
ZIP code 57779	10 mi	Saint Onge, SD
ZIP code 57799	12 mi	Spearfish, SD
ZIP code 57783	12 mi	Spearfish, SD
ZIP code 82712	15 mi	Beulah, WY
ZIP code 57762	15 mi	Nisland, SD
ZIP code 57793	18 mi	Whitewood, SD
ZIP code 82710	18 mi	Aladdin, WY
ZIP code 57732	21 mi	Deadwood, 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 57717, plotted from its record coordinates.

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

Scope ZIP code 57717. 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.