ZIP Code 57718

57718 is one of South Dakota's ZIP codes, delivering to addresses in Black Hawk, Meade County.

City: Black Hawk
County: Meade County
State: South Dakota
Prefix: 577xx

Where this code sits

57718 is part of the 577xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Black Hawk.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 57718 delivers to without sharing its boundary.

605 Area code 605

ZIP codes nearest 57718

The ZIP codes whose reference points sit closest to 57718.
ZIP code	Distance	Delivers to
ZIP code 57709	5.4 mi	Rapid City, SD
ZIP code 57769	5.4 mi	Piedmont, SD
ZIP code 57701	7.1 mi	Rapid City, SD
ZIP code 57702	10 mi	Rapid City, SD
ZIP code 57759	11 mi	Nemo, SD
ZIP code 57703	11 mi	Rapid City, SD
ZIP code 57706	14 mi	Ellsworth Afb, SD
ZIP code 57719	14 mi	Box Elder, 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 57718, plotted from its record coordinates.

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

Scope ZIP code 57718. 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.