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Fiber-Optic Telecom Solutions for Homes & Businesses
Interstate Telecommunications Cooperative (ITC) has been a trusted provider of advanced telecommunications services since 1955, serving communities across northeastern South Dakota and western Minnesota. Our 100% fiber-optic infrastructure delivers high-speed internet, phone, and streaming TV solutions tailored to residential and business needs. With over 70 years of local expertise, we combine cutting-edge technology with personalized customer support to ensure reliable connectivity.

Our team of professionals provides 24/7 technical assistance and same-day service guarantees, demonstrating deep industry knowledge and commitment to community development. As a member-owned cooperative, we reinvest in our infrastructure and return value to customers through capital credits distributions, maintaining our position as a leader in rural telecommunications innovation.
Services
Fiber Internet Phone Service ITC Stream Blast Wi-Fi Camera Systems Managed IT Services Network Security Rural Broadband Business Solutions 24/7 Support
Details
  • Year established: 1955
Highlights and features
  • We offer 70+ years of telecommunications expertise with local service teams
  • Our 100% fiber-optic network delivers symmetrical gigabit-speed connectivity
  • 24/7 technical support with same-day service guarantees
  • Member-owned cooperative structure ensures community-focused investments
  • Capital credits program returns value to customers annually
Services
Fiber Internet
Our 100% fiber-optic network delivers symmetrical gigabit-speed internet for streaming, gaming, and remote work. Unlimited data plans ensure no overage charges or speed throttling. Local technicians provide same-day service and network optimization for residential and business customers across rural South Dakota and Minnesota.
Blast Wi-Fi
Advanced Wi-Fi management system with app-based control and network security features. Offers three package tiers with speeds up to 10Gbps and optional mesh extension for complete home coverage. Includes parental controls, device prioritization, and 24/7 network monitoring through the Blast Wi-Fi app.
ITC Stream
Cutting-edge streaming platform with live sports, local networks, and on-demand content. Available in two packages with optional add-ons and cloud DVR functionality. Supports multiple simultaneous streams across compatible devices with no additional equipment required beyond our fiber internet service.
Camera Systems
Professional-grade surveillance systems with 4K resolution cameras and network video recorders. Scalable solutions for residential and commercial properties with remote monitoring capabilities. Includes storage options ranging from 30-day retention to cloud backup integration with ITC's fiber network infrastructure.
Business Solutions
Comprehensive telecom packages for businesses including hosted voice, managed IT, and commercial internet. Features static IP addresses, priority support, and enterprise-grade security. Designed for small to mid-sized businesses with dedicated account management and 24/7 technical support.
Questions
What areas does ITC serve?
ITC provides services across northeastern South Dakota and western Minnesota, including rural communities and expanding fiber networks in East Madison/Lake County and Yellow Medicine County regions.
How do I check internet availability?
Visit ITC's website and enter your address in the service checker tool to see available internet packages and pricing options for your specific location.
What is the Blast Wi-Fi app?
The Blast Wi-Fi app provides network management tools including parental controls, device prioritization, security monitoring, and mesh network expansion for residential customers with ITC's managed Wi-Fi service.
Are there contract requirements?
ITC does not require long-term contracts for most residential services, offering month-to-month billing with no early termination fees for internet, phone, and streaming TV packages.
How does capital credits distribution work?
As a member-owned cooperative, ITC distributes capital credits annually based on customer usage. Members receive notifications of payouts through mail or email with payment options available.
What support options exist?
24/7 technical support is available through dedicated phone lines for internet and TV services, with local offices in Clear Lake, Brookings, Webster, and Milbank providing in-person assistance.
Reviews (1)
R. Mac
Dec 27, 2020 Report
Wanted to charge all types of money to get service out to us even with all funding provided by state. Bummer they can't help out rural areas