ZIP Code 57341

57341 is one of South Dakota's ZIP codes, delivering to addresses in Gann Valley, Buffalo County.

City: Gann Valley
County: Buffalo County
State: South Dakota
Prefix: 573xx

Where this code sits

57341 is part of the 573xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Gann Valley.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 57341 delivers to without sharing its boundary.

605 Area code 605

ZIP codes nearest 57341

The ZIP codes whose reference points sit closest to 57341.
ZIP code	Distance	Delivers to
ZIP code 57339	17 mi	Fort Thompson, SD
ZIP code 57382	19 mi	Wessington Springs, SD
ZIP code 57370	21 mi	Pukwana, SD
ZIP code 57326	23 mi	Chamberlain, SD
ZIP code 57355	23 mi	Kimball, SD
ZIP code 57325	23 mi	Chamberlain, SD
ZIP code 57346	23 mi	Stephan, SD
ZIP code 57365	25 mi	Oacoma, 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 57341, plotted from its record coordinates.

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

Scope ZIP code 57341. 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.