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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TDS Connect Blog

As TDS continues upgrades, call us for a customized account review image

As TDS continues upgrades, call us for a customized account review

From the recent launch of TDS Mobile to our efforts to increase internet speeds, TDS is constantly working to upgrade our service. See what’s available in your area and how much you can save!
Catch a free preview of Paramount+ with SHOWTIME on TDS TV! image

Catch a free preview of Paramount+ with SHOWTIME on TDS TV!

Watch the return of Dexter with the first two episodes of the new series "Dexter: Resurrection."
Why TDS fiber beats other providers image

Why TDS fiber beats other providers

Other local providers may say they offer “fiber,” but often simply add fiber to their existing cable lines, leading to lower upload speeds.
F-Secure, TDS Telecom launch powerful scam protection service image

F-Secure, TDS Telecom launch powerful scam protection service

The enhanced cybersecurity features in the TDS Internet Security Suite comes as online scams are exploding in volume and sophistication.