ZIP Code 57274

57274 is one of South Dakota's ZIP codes, delivering to addresses in Webster, Day County.

City: Webster
County: Day County
State: South Dakota
Prefix: 572xx

Where this code sits

57274 is part of the 572xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Webster.

Webster South Dakota ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 57274 delivers to without sharing its boundary.

605 Area code 605

ZIP codes nearest 57274

The ZIP codes whose reference points sit closest to 57274.
ZIP code	Distance	Delivers to
ZIP code 57273	12 mi	Waubay, SD
ZIP code 57261	13 mi	Roslyn, SD
ZIP code 57219	14 mi	Bristol, SD
ZIP code 57256	17 mi	Ortley, SD
ZIP code 57272	17 mi	Wallace, SD
ZIP code 57239	17 mi	Grenville, SD
ZIP code 57217	18 mi	Bradley, SD
ZIP code 57468	19 mi	Pierpont, 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 57274, plotted from its record coordinates.

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

Scope ZIP code 57274. 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.