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Internet service providers in Charleston, SC

Use Allconnect® to find the top internet service options from the best internet providers in Charleston.

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Residential internet providers in Charleston by availability

*Pricing per month plus taxes for length of the contract. Additional fees and terms may apply. Pricing varies by location and availability. All prices subject to change at any time. May or may not be available based on service address. As of 10/16/19.

The two largest providers in Charleston, SC, are AT&T and Xfinity.

AT&T’s DSL services are available all throughout every town in the vicinity of Charleston. Their fiber-optic service is available in the Cassina Heights, Somerset Park and Daniel Island Park areas.

Xfinity’s cable service is also well-represented throughout the Charleston area.

Learn more about popular internet providers in Charleston and shop available plans for your address.

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Compare the largest internet providers in Charleston

What differentiates the largest Charleston internet providers? Aside from internet availability, we compare differences in speed, pricing, services offered and more. Here’s a little info about the two most widely available providers and what makes their service great for Charleston residents.

AT&T is the largest telecom provider in Charleston, delivering speeds ranging from 5 Mbps to 1,000 Mbps.

Why Charleston residents love it:

  • Variety of packages and great options no matter how much bandwidth you need
  • Bundle savings with TV and phone services
Xfinity logo

Allconnect Rating

3.54 / 5

Xfinity offers the fastest cable service in Charleston with speeds from 15 Mbps to 150 Mbps.

Why Charleston residents love it:

  • Month-to-month contract-free service with no long-term commitment
  • Enjoy the same promotional rate for one year without worry about price increases

Fastest internet in Charleston, SC

Charleston, SC, has above average access to fast internet. The FCC reports speeds up to 250 Mbps are available to nearly 96% of Charleston residents. Speeds up to 1,000 Mbps are available in 21% of Charleston, but only to about 13% of the rest of the nation. Here’s a look at the fastest internet speeds available in Charleston.

Fastest max advertised download speeds in Charleston, SC:

AT&T’s fiber-optic service offers up to 1,000 Mbps but is not widely available in the city. It is available in the Cassina Heights, Somerset Park and Daniel Island Park areas.

Xfinity’s cable service offers up to 150 Mbps throughout much of Charleston, SC.

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Charleston Wi-Fi hotspots

Whether you’re taking care of your weekly errands in and around Charleston, or just spending the day, there is a long list of public places where you can access free Wi-Fi services. 

Here are some public places where you can find free Wi-Fi in Charleston:

  • Most coffee shops including Panera Bread and Starbucks
  • Wi-Fi parks at Colonial Lake, Moncks Corner Recreational Complex, Harmon Field, Riverfront Park, Whitepoint Garden, Hampton Park, Marion Square, Waterfront Park, Governor’s Park, Mitchell Playground, Corrine Jones and Magnolia Park and Garden

If you subscribe to either of Charleston’s internet providers, AT&T or Xfinity, you can gain access to free Wi-Fi hotspots.

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