Area codes in Rapid City, South Dakota
Rapid City, South Dakota uses area code 605. The main Rapid City area code is 605.
Area codes serving Rapid City
All South Dakota area codes · Is a Rapid City call a scam?
Nearby cities
- Casper area codes
- Cheyenne area codes
- Bismarck area codes
- Fort Collins area codes
- Greeley area codes
- Loveland area codes
- Billings area codes
- Longmont area codes
Sourced from the official NANPA (North American Numbering Plan Administrator) numbering database, current as of June 20, 2026. Refreshed monthly.