AT&T internet in Columbia, SC
AT&T reports service to about 91% of residential locations in Columbia, South Carolina, which ranks it #2 of 4 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.
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How AT&T compares in Columbia
| # | Provider | Technology (varies by address) | Locations covered |
|---|---|---|---|
| 1 | Spectrum | Fiber, Cable | 92% |
| 2 | AT&T | Fiber, DSL, Fixed wireless | 91% |
| 3 | T-Mobile Home Internet | Fixed wireless | 87% |
| 4 | Verizon | Fiber, Fixed wireless | 81% |
Share of residential locations in Columbia where each provider reports service (FCC National Broadband Map, data as of December 31, 2025). See all providers in Columbia.
AT&T vs other providers
What technologies are available in Columbia?
Fiber is widely available: about 53% of locations in Columbia can get it. Gigabit-class service (1,000 Mbps down) is reported for about 57% of locations. DSL is still reported for about 30% of locations, which can be a fallback where fiber and cable do not reach. Fixed wireless home internet is reported for about 92% of locations.
FCC National Broadband Map, data as of December 31, 2025: share of residential locations in Columbia that providers report they can serve. City-level figures, not your address.
AT&T in places near Columbia
- Dentsville, SC (88%)
- Forest Acres, SC (98%)
- Cayce, SC (85%)
- St. Andrews, SC (87%)
- West Columbia, SC (95%)
- Seven Oaks, SC (95%)
- Oak Grove, SC (61%)
- Irmo, SC (97%)
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 Columbia?
AT&T reports service to about 91% of residential locations in Columbia, per FCC data as of December 31, 2025. That ranks it #2 of 4 providers with meaningful coverage here. Availability depends on your exact address.
What type of internet does AT&T offer in Columbia?
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 Columbia?
Other providers reporting at least 10% coverage in Columbia include Spectrum (92%), T-Mobile Home Internet (87%), Verizon (81%).
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
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