ZIP Code 57706

57706 is one of South Dakota's ZIP codes, delivering to addresses in Ellsworth Afb, Meade County.

City: Ellsworth Afb
County: Meade County
State: South Dakota
Prefix: 577xx

Where this code sits

57706 is part of the 577xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Ellsworth Afb.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 57706 delivers to without sharing its boundary.

605 Area code 605

ZIP codes nearest 57706

The ZIP codes whose reference points sit closest to 57706.
ZIP code	Distance	Delivers to
ZIP code 57719	1.8 mi	Box Elder, SD
ZIP code 57701	6.4 mi	Rapid City, SD
ZIP code 57703	8.3 mi	Rapid City, SD
ZIP code 57709	13 mi	Rapid City, SD
ZIP code 57718	14 mi	Black Hawk, SD
ZIP code 57761	14 mi	New Underwood, SD
ZIP code 57769	16 mi	Piedmont, SD
ZIP code 57702	17 mi	Rapid City, 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 57706, plotted from its record coordinates.

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

Scope ZIP code 57706. 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.