ZIP Code 57061

57061 is one of South Dakota's ZIP codes, delivering to addresses in Sinai, Brookings County.

City: Sinai
County: Brookings County
State: South Dakota
Prefix: 570xx

Where this code sits

57061 is part of the 570xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Sinai.

Sinai South Dakota ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 57061 delivers to without sharing its boundary.

605 Area code 605

ZIP codes nearest 57061

The ZIP codes whose reference points sit closest to 57061.
ZIP code	Distance	Delivers to
ZIP code 57050	6.8 mi	Nunda, SD
ZIP code 57071	7.9 mi	Volga, SD
ZIP code 57212	8.6 mi	Arlington, SD
ZIP code 57051	11 mi	Oldham, SD
ZIP code 57054	13 mi	Ramona, SD
ZIP code 57057	13 mi	Rutland, SD
ZIP code 57006	13 mi	Brookings, SD
ZIP code 57007	15 mi	Brookings, 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 57061, plotted from its record coordinates.

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

Scope ZIP code 57061. 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.