Merrimac Communications is Now TDS®
We’re delighted to bring our exceptional Internet, TV and phone services to Merrimac, Prairie du Sac, Sauk City, and surrounding areas.
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Best Deals
LEARN MOREYour best overall value! Shop our most popular deals, or customize your own. You may also be eligible for special offers or additional discounts when you bundle your services.
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Internet
LEARN MOREMake TDS® your provider for reliable high-speed Internet and premium WiFi – including fiber packages with speeds up to 1Gbps in select areas. It's all backed by our 30-Day Money-Back Guarantee.
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TV
LEARN MOREExperience the best in home entertainment with our all-digital TV packages, which include connected-home DVR options, lots of HD channels, TV Everywhere and more.
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Phone
LEARN MOREEnjoy reliable, crystal-clear calling and advanced features with any TDS home phone package. Multiple plan options make it easy to find the package that best fits your needs.
TDS Connect Blog

TDS teams up with Packers Hall of Famer
Tausch’s Cooking Camp to Tackle Hunger is a first of its kind cooking camp for kids.
TDS named Best of North Idaho
Company named Best Internet Provider and Best Telecommunications Firm in the North Idaho Business Journal’s annual competition.
Are you being fooled by AI images?
There are billions of these visual lies online, with more being created every day. You can make sure you don’t fall for them by training your eye and leveraging technology to help.