South Dakota Phone Number Lookup
Find the owner of any phone number in South Dakota.
What Phone Numbers Are in South Dakota?
Search any phone number in South Dakota using the lookup tool above. South Dakota has 1 area code covering 106 cities and 762 active phone prefixes. Enter any 10-digit number to find the owner's name, address, and carrier.
Area Codes in South Dakota
South Dakota is served by the following 1 area code:
- 605 (106 cities)
Top Phone Carriers in South Dakota
The most common phone service providers in South Dakota include:
- Cellco Partnership Dba Verizon Wireless - Sd
- Onvoy, Llc - Sd
- Qwest Corporation
- New Cingular Wireless Pcs, Llc - Il
- Bandwidth.com Clec, Llc - Sd
- Aerial Communications, Inc.
- James Valley Cooperative Telephone Company
- Level 3 Communications, Llc - Sd
South Dakota at a Glance
Financial Profile
Frequently Asked Questions
What Area Codes Are in South Dakota?
South Dakota is served by 1 area code: 605. Each area code covers a specific geographic region within the state and is assigned to cities and towns in that area. The number of area codes in a state reflects its population and telecommunications demand. South Dakota has 762 active phone prefixes spread across 106 cities. When you receive a call from an unfamiliar number, the first three digits — the area code — tell you which part of South Dakota the call likely originated from. You can search any of these area codes on 411FCC to identify the owner of a specific phone number.
How Do I Look Up a Phone Number in South Dakota?
Enter the full 10-digit phone number into the search box at the top of this page and click Search. 411FCC returns available information including the registered owner's name, location, phone carrier, and whether the number is wireless, landline, or VoIP. The lookup works for all 1 area code in South Dakota and covers numbers from all major carriers. Results appear within seconds. 411FCC has maintained phone number records since 2003 and covers every US state and Canadian province, so you can search numbers from South Dakota or any other jurisdiction using the same tool.
What Phone Carriers Operate in South Dakota?
Phone service in South Dakota is provided by multiple wireless and landline carriers. The largest providers by number of assigned prefixes include Cellco Partnership Dba Verizon Wireless - Sd, Onvoy, Llc - Sd, Qwest Corporation, New Cingular Wireless Pcs, Llc - Il, Bandwidth.com Clec, Llc - Sd. Approximately 37% of phone prefixes in South Dakota are classified as wireless, with the remaining 63% being landline or VoIP. When you perform a reverse phone lookup on 411FCC, the results include the carrier name for the number you searched, helping you identify whether the call came from a major national carrier or a smaller regional provider.
Data current as of March 2026