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Your Trusted Partner for Telecommunications Solutions
Interstate Telecommunications Cooperative has been dedicated to empowering communities with reliable, high-quality telecommunications services since our founding. As a member-owned cooperative, we prioritize accessible connectivity, innovative solutions, and exceptional customer care. Our full-fiber infrastructure ensures future-ready internet speeds, supporting residential and business needs across rural and urban areas. With decades of experience, we combine technical expertise with a commitment to bridging the digital divide, offering tailored services like Fiber-Fast Internet, Blast Wi-Fi management, and ITC Stream TV.

Our cooperative model ensures members earn capital credits while benefiting from transparent operations, local support, and a team dedicated to advancing connectivity solutions that foster economic growth and community well-being.
Services
Fiber-Fast Internet Blast Wi-Fi ITC Stream Camera/NVR Phone Service Business Internet Managed Services IT Support Commercial Television Wireless Extension
Highlights and features
  • We offer 100% fiber-fast internet for streaming, gaming, and remote work.
  • Our full-fiber infrastructure future-proofs your internet service.
  • We provide same-day or next-day local support for customer issues.
  • We offer multi-gig packages tailored to household and business needs.
  • Our cooperative model ensures members earn capital credits on services.
Services
Fiber-Fast Internet
Our Fiber-Fast Internet delivers unlimited connectivity with speeds up to 1 GIG, ideal for streaming, gaming, remote work, and large households. The full-fiber infrastructure ensures consistent performance and future-proofing for emerging technologies. Packages range from basic browsing to power-user needs, with local support for installation and upgrades.
Blast Wi-Fi
Blast Wi-Fi offers customizable home or business network solutions, including router management, app-based controls, and outdoor coverage. Packages include security features, parental controls, and mesh extensions for seamless connectivity. Professional installation ensures optimal coverage for every property size.
ITC Stream
ITC Stream provides high-quality streaming TV with live sports, local networks, and on-demand content. Packages include cloud DVR and add-ons for kids, sports, and entertainment. Compatible with major devices, it requires Fiber-Fast Internet and offers two simultaneous streams with additional streams available.
Camera/NVR
Our scalable camera systems offer resolutions up to 8MP or 4K, with NVR storage options for residential and commercial properties. Features include remote monitoring, night vision, and customizable retention periods. Installation costs vary based on camera count and wiring requirements.
Business Internet
Business Internet provides dedicated fiber connections with multi-gig speeds, static IP addresses, and priority support. Services include managed firewalls, IT support, and commercial television solutions. Tailored for small to large enterprises requiring reliable connectivity and scalable infrastructure.
Questions
What areas does ITC serve?
ITC serves communities in South Dakota, Minnesota, and surrounding regions, including cities like Castlewood, Clear Lake, and Watertown.
What internet speeds are available?
Speeds range from 100 Mbps to 2 GIG, with multi-gig packages available in upgraded communities for power users.
Can I manage my Wi-Fi network with ITC?
Yes, Blast Wi-Fi includes an app for managing coverage, parental controls, and security features directly from your smartphone.
Are there discounts for low-income households?
Yes, the Lifeline program offers monthly discounts of $5.25–$9.25 for eligible residents based on income or participation in federal assistance programs.
How do I install ITC Stream on my device?
Download the ITC Stream app on Roku, Amazon Fire Stick, Apple TV, or Android TV, then sign in using your account credentials.