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ZIP codes in Pennington County, South Dakota

Pennington County, South Dakota has 14 ZIP codes in this list, from 57701 to 57791. They cover 11 places, among them Rapid City, Box Elder, Caputa and Hill City.

ZIP codePlaceLand area (sq mi)Map point
57701Rapid City52.244.142, -103.205
57702Rapid City28644.004, -103.359
57703Rapid City13044.048, -103.176
57709Rapid Cityno area44.076, -103.317
57719Box Elder16744.120, -103.068
57725Caputa11743.948, -102.793
57745Hill City38543.938, -103.578
57751Keystone44.243.885, -103.400
57761New Underwood44144.087, -102.814
57767Owanka14544.063, -102.563
57775Quinn29144.103, -102.016
57780Scenic42543.799, -102.535
57790Wall73643.981, -102.225
57791Wasta28944.225, -102.431

The ZIP code areas of Pennington County add up to about 3,508 square miles of land (9,085 sq km) as the Census Bureau draws them. The largest is 57790 (Wall), with 736 square miles.

Places with more than one code here: Rapid City (4 codes).

Using these codes

Places and counties: GeoNames. Areas: U.S. Census Bureau, 2024 ZIP Code Tabulation Areas. Checked in November 2026. This site is not connected with the United States Postal Service; for mailing, confirm the address with USPS.

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