ZIP Code 57703

57703 is one of South Dakota's ZIP codes, delivering to addresses in Rapid City, Pennington County.

City: Rapid City
County: Pennington County
State: South Dakota
Prefix: 577xx

Where this code sits

57703 is part of the 577xx range, the group of codes handled by one mail processing centre. Rapid City is served by 4 ZIP codes in total; the full list, with the county each falls in, is on the Rapid City page.

Rapid City South Dakota ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 57703 delivers to without sharing its boundary.

605 Area code 605

ZIP codes nearest 57703

The ZIP codes whose reference points sit closest to 57703.
ZIP code	Distance	Delivers to
ZIP code 57701	6.6 mi	Rapid City, SD
ZIP code 57709	7.3 mi	Rapid City, SD
ZIP code 57719	7.3 mi	Box Elder, SD
ZIP code 57706	8.3 mi	Ellsworth Afb, SD
ZIP code 57702	9.6 mi	Rapid City, SD
ZIP code 57718	11 mi	Black Hawk, SD
ZIP code 57769	16 mi	Piedmont, SD
ZIP code 57751	16 mi	Keystone, 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 57703, plotted from its record coordinates.

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

Scope ZIP code 57703. 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.