Our company is dedicated to serving our community. Whether you have questions about our products and services, ideas for ways we can improve, or an opportunity for us to work together, we’d like to hear from you.
CSD has a physical presence in multiple states and countries. We are headquartered in Sioux Falls, South Dakota, and have offices and centers in locations such as Austin, Texas; Fargo, North Dakota; Stockton, California, Auckland, New Zealand, and more. No matter which office or department you need to reach, you can contact the CSD switchboard at (800) 642-6410.
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We keep an active dialogue with our community through our social media profiles. Become a fan of CSD’s Facebook page and follow us on Twitter to keep up-to-date on the latest developments. You can also subscribe to our newsletter here.
102 North Krohn Place
Sioux Falls, SD 57103
Voice: (605) 367-5760
TTY: (605) 367-5761
Toll Free Voice: (800) 642-6410
Toll Free TTY: (866) 273-3323
Fax: (605) 367-5958
Videophone: (605) 496-0738