ZIP Code 57772

57772 is one of South Dakota's ZIP codes, delivering to addresses in Porcupine, Oglala Lakota County.

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

Where this code sits

57772 is part of the 577xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Porcupine.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 57772 delivers to without sharing its boundary.

605 Area code 605

ZIP codes nearest 57772

The ZIP codes whose reference points sit closest to 57772.
ZIP code	Distance	Delivers to
ZIP code 57756	7.0 mi	Manderson, SD
ZIP code 57794	7.1 mi	Wounded Knee, SD
ZIP code 57716	11 mi	Batesland, SD
ZIP code 57752	15 mi	Kyle, SD
ZIP code 57770	16 mi	Pine Ridge, SD
ZIP code 69365	20 mi	Whiteclay, NE
ZIP code 57714	20 mi	Allen, SD
ZIP code 57764	21 mi	Oglala, 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 57772, plotted from its record coordinates.

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

Scope ZIP code 57772. 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.