ZIP Code 57359

57359 is one of South Dakota's ZIP codes, delivering to addresses in Letcher, Sanborn County.

City: Letcher
County: Sanborn County
State: South Dakota
Prefix: 573xx

Where this code sits

57359 is part of the 573xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Letcher.

Letcher South Dakota ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 57359 delivers to without sharing its boundary.

605 Area code 605

ZIP codes nearest 57359

The ZIP codes whose reference points sit closest to 57359.
ZIP code	Distance	Delivers to
ZIP code 57385	12 mi	Woonsocket, SD
ZIP code 57314	12 mi	Artesian, SD
ZIP code 57363	13 mi	Mount Vernon, SD
ZIP code 57301	15 mi	Mitchell, SD
ZIP code 57358	18 mi	Lane, SD
ZIP code 57340	18 mi	Fulton, SD
ZIP code 57368	18 mi	Plankinton, SD
ZIP code 57337	20 mi	Fedora, 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 57359, plotted from its record coordinates.

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

Scope ZIP code 57359. 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.