Area Codes in Custer
| Area Code▲ | City↕ | Administrative Region↕ | City Population↕ | Country/Region | Timezone |
|---|---|---|---|---|---|
| 605 | — | South Dakota | 770,184 | United States | America/Chicago |
Nearby Cities
| City | Region | Country | Population | Area Codes | Zip Codes |
|---|---|---|---|---|---|
| Fairburn, South Dakota | South Dakota | United States | 85 | 605 | 57738 |
| Hill City, South Dakota | South Dakota | United States | 948 | 605 | 57745 |
| Hot Springs, South Dakota | South Dakota | United States | 3,711 | 605 | 57747 |
| Keystone, South Dakota | South Dakota | United States | 337 | 605 | 57751 |
| Pringle, South Dakota | South Dakota | United States | 112 | 605 | 57773 |