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ABOUT SDI
CONNECTING
SOUTH DAKOTA
TO WHAT MATTERS MOST
South Dakota Internet is a local Internet provider serving customers in and around Yankton, Tyndall and the surrounding communities. From reliable fixed wireless service to our growing Fiber Internet network, we're focused on keeping
South Dakota connected.
​
Local service. Reliable connections. Built for what's next.
WHY SDI?

RELIABLE INTERNET
A reliable network built for the way you live, work and play.
LOCAL SERVICE
We're part of the communities we serve - and we're here when you need us.

WIRELESS + FIBER
Reliable fixed wireless today, with Fiber Internet expanding in Tyndall.
NO GIMMICKS
Straightforward service, unlimited data and no contracts or hidden fees.


OUR STORY
ROOTED IN SOUTH DAKOTA.
BUILDING FOR WHAT'S NEXT.
For years, SDI has provided reliable fixed wireless Internet service to homes and businesses in and around Yankton and the surrounding communities.
Today, we're expanding our network with Fiber Internet, starting in Tyndall, while continuing to serve our wireless customers throughout the region.
We're excited about what's ahead - and about bringing more reliable, high-speed connectivity to the communities we serve.
We're building more than a network. We're building a team.

LET'S TALK INTERNET.
Have questions about SDI Internet or Fiber availability? We're here to help.
📞 605-689-2525
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