ZIP Code 57735

57735 is one of South Dakota's ZIP codes, delivering to addresses in Edgemont, Fall River County.

City: Edgemont
County: Fall River County
State: South Dakota
Prefix: 577xx

Where this code sits

57735 is part of the 577xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Edgemont.

Edgemont South Dakota ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 57735 delivers to without sharing its boundary.

605 Area code 605

ZIP codes nearest 57735

The ZIP codes whose reference points sit closest to 57735.
ZIP code	Distance	Delivers to
ZIP code 57747	19 mi	Hot Springs, SD
ZIP code 57773	25 mi	Pringle, SD
ZIP code 57722	29 mi	Buffalo Gap, SD
ZIP code 57782	30 mi	Smithwick, SD
ZIP code 57763	31 mi	Oelrichs, SD
ZIP code 57730	32 mi	Custer, SD
ZIP code 57766	32 mi	Oral, SD
ZIP code 57738	40 mi	Fairburn, 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 57735, plotted from its record coordinates.

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

Scope ZIP code 57735. 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.