ZIP Code 57321

57321 is one of South Dakota's ZIP codes, delivering to addresses in Canova, Miner County.

City: Canova
County: Miner County
State: South Dakota
Prefix: 573xx

Where this code sits

57321 is part of the 573xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Canova.

Canova South Dakota ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 57321 delivers to without sharing its boundary.

605 Area code 605

ZIP codes nearest 57321

The ZIP codes whose reference points sit closest to 57321.
ZIP code	Distance	Delivers to
ZIP code 57374	9.4 mi	Spencer, SD
ZIP code 57349	11 mi	Howard, SD
ZIP code 57076	12 mi	Winfred, SD
ZIP code 57058	13 mi	Salem, SD
ZIP code 57337	14 mi	Fedora, SD
ZIP code 57311	19 mi	Alexandria, SD
ZIP code 57340	19 mi	Fulton, SD
ZIP code 57323	20 mi	Carthage, 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 57321, plotted from its record coordinates.

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

Scope ZIP code 57321. 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.