Lookup › Area code 605
605 Area Code — Sioux Falls, South Dakota
Area code 605 serves Sioux Falls, SD.
Most looked-up 605 numbers
- 605-290-9638
- 605-587-6668
- 605-593-6785
- 605-291-9586
- 605-313-4878
- 605-653-2809
- 605-702-0400
- 605-216-2486
- 605-214-5091
- 605-390-7885
- 605-910-2316
Phone prefixes in 605
Carriers serving 605
- Verizon (6 numbers)
- Bandwidth (1 numbers)
- Aerial Communications (1 numbers)
- Northeast Nebraska Telephone C (1 numbers)
- At&t Local (1 numbers)
- Northern Valley Communications (1 numbers)
Frequently asked questions
Where is area code 605?
Area code 605 serves Sioux Falls, SD.
What prefixes are in area code 605?
Phone2.io tracks 11 phone prefixes in area code 605, with carrier and spam-report data on individual numbers.
More about area code 605
Area code 605 overview, history, and local numbers · Get a SD phone number
Last updated: April 15, 2026