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

Authorized Dealer

AT&T Logo

Fiber

Upto 5 GIG

from

$55

/month

Authorized Dealer

Xfinity Internet provider logo

CABLE

Upto 1.2 GIG

from

$40

/month

Authorized Dealer

Brightspeed Logo

Cable

Upto 940 Mbps

from

$49

/month

⚡ Fastest Internet Plans

ProviderMax SpeedType
AT&T Fiber 5 GbpsFiber
Spectrum 2 GbpsCable

💰 Cheapest Internet Plans

ProviderStarts AtSpeed
Spectrum $30.00100 Mbps
AT&T Fiber $55.00300 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

Internet Providers in Charleston, SC – AT&T, Xfinity, Brightspeed Coverage

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

Fiber At Your Address

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