ZIP Code 57422

57422 is one of South Dakota's ZIP codes, delivering to addresses in Andover, Day County.

City: Andover
County: Day County
State: South Dakota
Prefix: 574xx

Where this code sits

57422 is part of the 574xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Andover.

Andover South Dakota ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 57422 delivers to without sharing its boundary.

605 Area code 605

ZIP codes nearest 57422

The ZIP codes whose reference points sit closest to 57422.
ZIP code	Distance	Delivers to
ZIP code 57468	7.2 mi	Pierpont, SD
ZIP code 57445	9.3 mi	Groton, SD
ZIP code 57439	10 mi	Ferney, SD
ZIP code 57219	11 mi	Bristol, SD
ZIP code 57454	15 mi	Langford, SD
ZIP code 57432	18 mi	Claremont, SD
ZIP code 57261	19 mi	Roslyn, SD
ZIP code 57474	20 mi	Stratford, 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 57422, plotted from its record coordinates.

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

Scope ZIP code 57422. 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.