ZIP Code 57776

57776 is one of South Dakota's ZIP codes, delivering to addresses in Redig, Harding County.

City: Redig
County: Harding County
State: South Dakota
Prefix: 577xx

Where this code sits

57776 is part of the 577xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Redig.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 57776 delivers to without sharing its boundary.

605 Area code 605

ZIP codes nearest 57776

The ZIP codes whose reference points sit closest to 57776.
ZIP code	Distance	Delivers to
ZIP code 57720	21 mi	Buffalo, SD
ZIP code 59319	28 mi	Capitol, MT
ZIP code 57651	29 mi	Reva, SD
ZIP code 57724	35 mi	Camp Crook, SD
ZIP code 59311	36 mi	Alzada, MT
ZIP code 57760	37 mi	Newell, SD
ZIP code 57755	40 mi	Ludlow, SD
ZIP code 57762	42 mi	Nisland, 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 57776, plotted from its record coordinates.

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

Scope ZIP code 57776. 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.