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 Telecom surpasses 1 million fiber addresses
Milestone cements company as a national fiber leader.
Ready for some football? Watch a free preview of NFL RedZone!
If you're a TDS TV+ subscriber, we have a special treat in store for Week 1 of the NFL season.
Five must-have tech gadgets for a successful school year
From staying hydrated and healthy to staying organized and connected, here are five of our favorite back-to-school gadgets for students in 2025.
