ZIP Code 57034

57034 is one of South Dakota's ZIP codes, delivering to addresses in Hudson, Lincoln County.

City: Hudson
County: Lincoln County
State: South Dakota
Prefix: 570xx

Where this code sits

57034 is part of the 570xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Hudson.

Hudson South Dakota ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 57034 delivers to without sharing its boundary.

605 Area code 605

ZIP codes nearest 57034

The ZIP codes whose reference points sit closest to 57034.
ZIP code	Distance	Delivers to
ZIP code 57027	4.8 mi	Fairview, SD
ZIP code 51023	9.3 mi	Hawarden, IA
ZIP code 57001	10 mi	Alcester, SD
ZIP code 51247	12 mi	Rock Valley, IA
ZIP code 57013	13 mi	Canton, SD
ZIP code 57004	13 mi	Beresford, SD
ZIP code 51240	13 mi	Inwood, IA
ZIP code 51011	15 mi	Chatsworth, IA

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 57034, plotted from its record coordinates.

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

Scope ZIP code 57034. 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.