Xfinity internet in Charleston, SC
Xfinity reports service to about 92% of residential locations in Charleston, South Carolina, which ranks it #1 of 6 providers with meaningful coverage and makes it the provider reaching the most locations. Xfinity is Comcast's cable internet service, one of the largest in the country. It is widely available in cities and suburbs, and often bundles internet with TV and mobile service.
How Xfinity compares in Charleston
| # | Provider | Technology (varies by address) | Locations covered |
|---|---|---|---|
| 1 | Xfinity | Cable | 92% |
| 2 | AT&T | Fiber, DSL, Fixed wireless | 85% |
| 3 | T-Mobile Home Internet | Fixed wireless | 76% |
| 4 | Verizon | Fiber, Fixed wireless | 71% |
| 5 | WOW! | Fiber, Cable | 37% |
| 6 | Home Telephone Company, Inc. (SC) | Fiber, Cable | 9% |
| 7 | IQ Fiber Intermediate Holdings | Fiber | <1% |
Share of residential locations in Charleston where each provider reports service (FCC National Broadband Map, data as of December 31, 2025). See all providers in Charleston.
Xfinity vs other providers
What technologies are available in Charleston?
Fiber reaches about 45% of locations in Charleston, so it is available in parts of the area but not everywhere. Gigabit-class service (1,000 Mbps down) is reported for about 67% of locations. Fixed wireless home internet is reported for about 85% of locations.
FCC National Broadband Map, data as of December 31, 2025: share of residential locations in Charleston that providers report they can serve. City-level figures, not your address.
Xfinity in places near Charleston
- Mount Pleasant, SC (98%)
- James Island, SC (100%)
- Hanahan, SC (98%)
- North Charleston, SC (79%)
- Goose Creek, SC (93%)
- Ladson, SC (100%)
- Summerville, SC (28%)
- Moncks Corner, SC (76%)
Plans and pricing
Plan prices and promotions change often and vary by address, so we do not list them. See Xfinity's current offers at your address with its availability checker.
Frequently asked questions
Is Xfinity available in Charleston?
Xfinity reports service to about 92% of residential locations in Charleston, per FCC data as of December 31, 2025. That ranks it #1 of 6 providers with meaningful coverage here. Availability depends on your exact address.
What type of internet does Xfinity offer in Charleston?
Xfinity offers cable service across its footprint. The FCC summary does not say which technology reaches each address, so check your address with the provider.
Who are the main Xfinity competitors in Charleston?
Other providers reporting at least 10% coverage in Charleston include AT&T (85%), T-Mobile Home Internet (76%), Verizon (71%), WOW! (37%).
How do I check Xfinity availability at my address?
Use Xfinity's own address checker, or enter your ZIP code here to compare all providers for your area.
Compare all providers for your ZIP code
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