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.

 

  • Best Deals

    Your 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

    Make 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

    Experience 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

    Enjoy 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.

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TDS Connect Blog

Why 2026 is the year to rethink your passwords image

Why 2026 is the year to rethink your passwords

Safer Internet Day is coming up Feb. 10—an annual reminder to pause, reflect, and clean up your digital habits.
Make your life easier by enrolling in TDS ePay image

Make your life easier by enrolling in TDS ePay

Signing up for TDS ePay can be done in just a few easy steps.
How to watch the Olympic Winter Games on TDS TV+ image

How to watch the Olympic Winter Games on TDS TV+

Running from Feb. 6-22, the 2026 games feature a number of intriguing storylines.
Winter Storm Fern Updates image

Winter Storm Fern Updates

With a significant winter storm moving through much of the country, including portions of our service area this weekend, we are providing updates about our storm-related activities.