ZIP Code 57764

57764 is one of South Dakota's ZIP codes, delivering to addresses in Oglala, Oglala Lakota County.

City: Oglala
County: Oglala Lakota County
State: South Dakota
Prefix: 577xx

Where this code sits

57764 is part of the 577xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Oglala.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 57764 delivers to without sharing its boundary.

605 Area code 605

ZIP codes nearest 57764

The ZIP codes whose reference points sit closest to 57764.
ZIP code	Distance	Delivers to
ZIP code 57770	8.9 mi	Pine Ridge, SD
ZIP code 57756	14 mi	Manderson, SD
ZIP code 69365	16 mi	Whiteclay, NE
ZIP code 57794	19 mi	Wounded Knee, SD
ZIP code 57772	21 mi	Porcupine, SD
ZIP code 57763	24 mi	Oelrichs, SD
ZIP code 57782	25 mi	Smithwick, SD
ZIP code 57766	26 mi	Oral, 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 57764, plotted from its record coordinates.

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

Scope ZIP code 57764. 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.