- 87%Coverage
- Up to 5,000 Mbps
- Plans from $40/mo
Internet Providers in Charleston, SC
In Charleston, South Carolina, the top internet service providers actively serving residents include AT&T, Xfinity, and Brightspeed, delivering a strong mix of high-speed fiber and reliable cable connections. Currently, fiber internet coverage reaches approximately 54% of the city, with network expansion continuing throughout 2026. To set up your service, contact Fast Communications an authorized dealer offering the exact same price as ordering direct at (888) 841-5332.
All Internet Providers in Charleston
⚡ Fastest Internet Plans
| Provider | Max Speed | Type |
|---|---|---|
| AT&T Fiber | 5 Gbps | Fiber |
| Spectrum | 2 Gbps | Cable |
💰 Cheapest Internet Plans
| Provider | Starts At | Speed |
|---|---|---|
| Spectrum | $30.00 | 100 Mbps |
| AT&T Fiber | $55.00 | 300 Mbps |
Fiber Internet In Charleston
f you’re looking for the best internet providers in Charleston, SC, both AT&T Fiber and Brightspeed offer fiber service across parts of the city. Right now, roughly 54% of Charleston has access to fiber internet, with strong coverage near downtown and the Historic District, while Xfinity cable covers the broader Lowcountry metro.
When comparing internet providers in Charleston, SC, fiber is the best choice for fast uploads, downloads, and reliable performance. This bandwidth is especially valuable for a city with a strong tourism, port logistics, and growing tech workforce along the South Carolina coast.
A stable fiber connection keeps video calls, cloud backups, online gaming, and 4K streaming running smoothly across Charleston’s mix of historic neighborhoods and barrier island suburbs. Whether you need home or business service, internet providers in Charleston, SC offer plans for every budget and speed requirement.
54%
Fiber Coverage
890 Mbps
Avg Local Speed


Fiber Internet In Charleston
Frequently Asked Questions
AT&T Fiber offers the fastest internet in Charleston, with plans reaching up to 5 Gbps.
Internet in Charleston starts around $40/month for Xfinity entry-level cable plan. Fiber plans from Brightspeed and AT&T start around $49-55/month.
Yes, fiber internet is available to approximately 54% of Charleston households, with AT&T as the primary fiber provider.
Fiber is widely available in the Historic District, West Ashley, and North Central. Coverage continues expanding into James Island and surrounding suburbs.
Xfinity offers the lowest starting price in Charleston at around $40/month for 300 Mbps cable.
Local Internet Statistics
890 Mbps
Average Speed
54%
Fiber Coverage
97%
Broadband Coverage
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