AT&T internet in Charleston, SC
AT&T reports service to about 85% of residential locations in Charleston, South Carolina, which ranks it #2 of 6 providers with meaningful coverage. AT&T sells home internet over fiber (AT&T Fiber), older DSL lines, and a fixed wireless service called Internet Air. Which one you can get depends on your address, and fiber is only available in parts of its footprint.
Check AT&T availability Affiliate link; we may earn a commission at no cost to you.
How AT&T 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.
AT&T 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.
AT&T in places near Charleston
- Mount Pleasant, SC (89%)
- James Island, SC (95%)
- Hanahan, SC (75%)
- North Charleston, SC (71%)
- Goose Creek, SC (82%)
- Ladson, SC (88%)
- Summerville, SC (89%)
- Beaufort, SC (63%)
Plans and pricing
Plan prices and promotions change often and vary by address, so we do not list them. See AT&T's current offers at your address with its availability checker above.
Frequently asked questions
Is AT&T available in Charleston?
AT&T reports service to about 85% of residential locations in Charleston, per FCC data as of December 31, 2025. That ranks it #2 of 6 providers with meaningful coverage here. Availability depends on your exact address.
What type of internet does AT&T offer in Charleston?
AT&T offers fiber, dsl, fixed wireless 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 AT&T competitors in Charleston?
Other providers reporting at least 10% coverage in Charleston include Xfinity (92%), T-Mobile Home Internet (76%), Verizon (71%), WOW! (37%).
How do I check AT&T availability at my address?
Use AT&T's own address checker, or enter your ZIP code here to compare all providers for your area.
Compare all providers for your ZIP code
All about AT&T · Internet in Charleston · AT&T in South Carolina · South Carolina · How we rank