| 57719 Box Elder | 605 | Pennington County | South Dakota - SD | Rapid City, SD (6660) | MSA |
| 57775 Cactus Flats | 605 | Pennington County | South Dakota - SD | Rapid City, SD (6660) | MSA |
| 57725 Caputa | 605 | Pennington County | South Dakota - SD | Rapid City, SD (6660) | MSA |
| 57780 Conata | 605 | Pennington County | South Dakota - SD | Rapid City, SD (6660) | MSA |
| 57775 Cottonwood | 605 | Pennington County | South Dakota - SD | Rapid City, SD (6660) | MSA |
| 57790 Creighton | 605 | Pennington County | South Dakota - SD | Rapid City, SD (6660) | MSA |
| 57745 Deerfield | 605 | Pennington County | South Dakota - SD | Rapid City, SD (6660) | MSA |
| 57790 Dowling | 605 | Pennington County | South Dakota - SD | Rapid City, SD (6660) | MSA |
| 57791 Elm Springs | 605 | Pennington County | South Dakota - SD | Rapid City, SD (6660) | MSA |
| 57725 Farmingdale | 605 | Pennington County | South Dakota - SD | Rapid City, SD (6660) | MSA |
| 57791 Gumbo | 605 | Pennington County | South Dakota - SD | Rapid City, SD (6660) | MSA |
| 57745 Hill City | 605 | Pennington County | South Dakota - SD | Rapid City, SD (6660) | MSA |
| 57702 Hisega | 605 | Pennington County | South Dakota - SD | Rapid City, SD (6660) | MSA |
| 57780 Imlay | 605 | Pennington County | South Dakota - SD | Rapid City, SD (6660) | MSA |
| 57701 Jolly Acres | 605 | Pennington County | South Dakota - SD | Rapid City, SD (6660) | MSA |
| 57751 Keystone | 605 | Pennington County | South Dakota - SD | Rapid City, SD (6660) | MSA |
| 57745 Mystic | 605 | Pennington County | South Dakota - SD | Rapid City, SD (6660) | MSA |
| 57761 New Underwood | 605 | Pennington County | South Dakota - SD | Rapid City, SD (6660) | MSA |
| 57701 Old Town | 605 | Pennington County | South Dakota - SD | Rapid City, SD (6660) | MSA |
| 57767 Owanka | 605 | Pennington County | South Dakota - SD | Rapid City, SD (6660) | MSA |
| 57702 Pactola Lake | 605 | Pennington County | South Dakota - SD | Rapid City, SD (6660) | MSA |
| 57775 Quinn | 605 | Pennington County | South Dakota - SD | Rapid City, SD (6660) | MSA |
| 57701 Rapid City | 605 | Pennington County | South Dakota - SD | Rapid City, SD (6660) | MSA |
| 57702 Rapid City | 605 | Pennington County | South Dakota - SD | Rapid City, SD (6660) | MSA |
| 57703 Rapid City | 605 | Pennington County | South Dakota - SD | Rapid City, SD (6660) | MSA |
| 57709 Rapid City | 605 | Pennington County | South Dakota - SD | Rapid City, SD (6660) | MSA |
| 57745 Rochford | 605 | Pennington County | South Dakota - SD | Rapid City, SD (6660) | MSA |
| 57701 Rockerville | 605 | Pennington County | South Dakota - SD | Rapid City, SD (6660) | MSA |
| 57702 Rockerville | 605 | Pennington County | South Dakota - SD | Rapid City, SD (6660) | MSA |
| 57780 Scenic | 605 | Pennington County | South Dakota - SD | Rapid City, SD (6660) | MSA |
| 57702 Silver City | 605 | Pennington County | South Dakota - SD | Rapid City, SD (6660) | MSA |
| 57761 Viewfield | 605 | Pennington County | South Dakota - SD | Rapid City, SD (6660) | MSA |
| 57790 Wall | 605 | Pennington County | South Dakota - SD | Rapid City, SD (6660) | MSA |
| 57767 Wasta | 605 | Pennington County | South Dakota - SD | Rapid City, SD (6660) | MSA |
| 57791 Wasta | 605 | Pennington County | South Dakota - SD | Rapid City, SD (6660) | MSA |
| 57767 Wicksville | 605 | Pennington County | South Dakota - SD | Rapid City, SD (6660) | MSA |