100% fiber-optic internet across the Palmetto State — from Charleston to Columbia to Greenville. Symmetric speeds up to 5 GIG, no data caps, no annual contract. Check if your South Carolina address qualifies today.
AT&T Fiber is available across major South Carolina metros and growing communities. Primary markets with fiber-optic coverage in the Palmetto State include Charleston, Columbia, Greenville, and Mount Pleasant.
South Carolina's historic coastal metro with growing AT&T Fiber coverage. Speeds up to 5 GIG available in many Charleston neighborhoods.
Check Charleston addressThe capital of South Carolina. AT&T Fiber coverage continues to expand across Columbia, bringing fiber-optic speeds to more residents and businesses.
Check Columbia addressUpstate South Carolina's largest metro. AT&T Fiber is available in many Greenville neighborhoods with symmetric speeds and no data caps.
Check Greenville addressA major Charleston suburb. Mount Pleasant residents enjoy expanding AT&T Fiber coverage with no annual contract and unlimited data.
Check Mount Pleasant addressDon't see your city? AT&T Fiber is expanding across South Carolina. Check your address to see if service is available.
AT&T is investing in fiber-optic infrastructure across the Palmetto State. Here's what you need to know about availability, expansion, and how to check your address.
AT&T Fiber availability in South Carolina varies by neighborhood — even within the same city. The quickest way to confirm service is to check your specific address. Use our availability checker or call a specialist at (866) 667-5219.
AT&T Fiber delivers a true fiber-optic connection directly to your home — not hybrid cable or DSL. That means symmetric upload and download speeds, low latency, and no data caps on any plan. In South Carolina, fiber is available in major metros like Charleston, Columbia, and Greenville, with steady expansion into Mount Pleasant and suburban communities.
If AT&T Fiber isn't yet at your address, the network is expanding — check back regularly or sign up for updates. In the meantime, AT&T Internet (IPBB) may be available as an alternative, though fiber offers the best speeds and value when available.
Every plan includes unlimited data, symmetric speeds, and no annual contract. Prices below reflect AutoPay & paperless billing discounts.
All plans include a free Wi-Fi gateway. Speeds and availability vary by South Carolina address.
Yes. AT&T Fiber is available across much of South Carolina, including the Charleston, Columbia, Greenville, and Mount Pleasant metro areas. Coverage is expanding steadily as AT&T continues investing in fiber infrastructure. Enter your address in our availability checker or call (866) 667-5219 to confirm service at your specific location.
AT&T Fiber serves numerous South Carolina cities. Major markets with strong fiber coverage include Charleston, Columbia, Greenville, and Mount Pleasant. Smaller communities throughout the state are also gaining access as AT&T continues its fiber expansion across the Palmetto State.
AT&T Fiber offers speeds from 300 Mbps up to 5 GIG (5,000 Mbps) in South Carolina, with symmetric upload and download on every tier. Available plans include 300 Mbps ($35/mo), 500 Mbps ($45/mo), 1 GIG ($50/mo), and 5 GIG ($95/mo) with AutoPay and paperless billing. Actual speeds may vary by address.
No. AT&T Fiber plans in South Carolina include truly unlimited data with no caps, no overage fees, and no throttling on any plan. This applies statewide — whether you're in Charleston, Columbia, or a smaller South Carolina town. You can stream, game, and download without limits.
In many cases, yes. AT&T Fiber uses fiber-optic infrastructure that is separate from cable providers like Spectrum and Xfinity, so having one service does not prevent you from getting another. If AT&T Fiber has been installed in your South Carolina neighborhood, you can switch. Check availability at your address to find out.
No. AT&T Fiber plans in South Carolina are month-to-month with no annual contract and no early termination fee. You can change or cancel your plan at any time without penalty. This applies to all fiber speed tiers — 300 Mbps through 5 GIG.
Use our availability checker on this page or call (866) 667-5219. Enter your name, phone, email, and address, and a specialist will confirm whether AT&T Fiber is available at your South Carolina location and help you choose the right plan. The check is free with no obligation to buy.
One quick check tells you if AT&T Fiber is available where you live in South Carolina. If it is, you could switch today — no contract, no data cap, symmetric speeds up to 5 GIG.