ZIP Code 57454

57454 is one of South Dakota's ZIP codes, delivering to addresses in Langford, Marshall County.

City: Langford
County: Marshall County
State: South Dakota
Prefix: 574xx

Where this code sits

57454 is part of the 574xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Langford.

Langford South Dakota ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 57454 delivers to without sharing its boundary.

605 Area code 605

ZIP codes nearest 57454

The ZIP codes whose reference points sit closest to 57454.
ZIP code	Distance	Delivers to
ZIP code 57468	8.4 mi	Pierpont, SD
ZIP code 57421	12 mi	Amherst, SD
ZIP code 57432	12 mi	Claremont, SD
ZIP code 57430	13 mi	Britton, SD
ZIP code 57261	15 mi	Roslyn, SD
ZIP code 57422	15 mi	Andover, SD
ZIP code 57445	19 mi	Groton, SD
ZIP code 57449	19 mi	Houghton, 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 57454, plotted from its record coordinates.

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

Scope ZIP code 57454. 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.