ZIP Code 57313

57313 is one of South Dakota's ZIP codes, delivering to addresses in Armour, Douglas County.

City: Armour
County: Douglas County
State: South Dakota
Prefix: 573xx

Where this code sits

57313 is part of the 573xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Armour.

Armour South Dakota ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 57313 delivers to without sharing its boundary.

605 Area code 605

ZIP codes nearest 57313

The ZIP codes whose reference points sit closest to 57313.
ZIP code	Distance	Delivers to
ZIP code 57328	7.3 mi	Corsica, SD
ZIP code 57330	10 mi	Delmont, SD
ZIP code 57344	12 mi	Harrison, SD
ZIP code 57356	15 mi	Lake Andes, SD
ZIP code 57364	16 mi	New Holland, SD
ZIP code 57380	17 mi	Wagner, SD
ZIP code 57342	18 mi	Geddes, SD
ZIP code 57376	19 mi	Tripp, 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 57313, plotted from its record coordinates.

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

Scope ZIP code 57313. 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.