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P.O. Box 197
New Effington, SD 57255

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Phone: (605) 637-5211

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P.O. Box 197
10 Oddin Avenue
New Effington, SD 57255

(605) 637-5211

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RC Technologies, Internet Service, New Effington, SD
Copyright 2022 Cornerstone Group | All Rights Reserved | Forms & Policies
  • Home
  • Residential
    • Internet
    • Premium Wi-Fi
    • TV
    • Voice
      • RC Exchanges
      • Big Stone Lake, Corona, Kranzburg, Milbank and Watertown
    • Fixed Wireless Internet
    • Not Sure
  • Premium Wi-Fi
  • Business
  • Support
    • FAQ
    • Forms and Policies
    • Guides and Brochures
  • News
    • Newsletters
    • Blog
  • About Us
    • Mission
    • Our History
    • Scholarships
    • Board and Staff
  • Bill Pay
  • Webmail
  • Get Fiber
  • Speed Test
  • Remote Support
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