ZIP Code 57623

57623 is one of South Dakota's ZIP codes, delivering to addresses in Dupree, Ziebach County.

City: Dupree
County: Ziebach County
State: South Dakota
Prefix: 576xx

Where this code sits

57623 is part of the 576xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Dupree.

Dupree South Dakota ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 57623 delivers to without sharing its boundary.

605 Area code 605

ZIP codes nearest 57623

The ZIP codes whose reference points sit closest to 57623.
ZIP code	Distance	Delivers to
ZIP code 57636	9.9 mi	Lantry, SD
ZIP code 57625	20 mi	Eagle Butte, SD
ZIP code 57626	21 mi	Faith, SD
ZIP code 57633	29 mi	Isabel, SD
ZIP code 57622	29 mi	Cherry Creek, SD
ZIP code 57748	35 mi	Howes, SD
ZIP code 57656	39 mi	Timber Lake, SD
ZIP code 57644	40 mi	Meadow, 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 57623, plotted from its record coordinates.

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

Scope ZIP code 57623. 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.