State Guide - Updated January 2026
Best Internet Providers in South Carolina
AT&T Fiber connects Columbia and Charleston with excellent speeds. Spectrum covers most of the state. Lumos is a new entrant pushing 8 Gig speeds. Rural co-ops are filling gaps in the Upstate and Lowcountry.
Best Overall
AT&T Fiber
Wins on reliability, speed consistency, and customer satisfaction ratings.
Fastest Speeds
Lumos Fiber
Delivers the highest peak download speeds available for residential connections.
Best Value
T-Mobile 5G Home
Offering the lowest starting price per Mbps or best contract-free terms.
Top Providers in South Carolina
AT&T Fiber
4.7/5
Starting at
$55/mo
Max Speeds
5 Gbps
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Pros
- Reliable fiber
- Symmetrical speeds
- No data caps
Cons
- Availability
- Price
Spectrum
4/5
Starting at
$50/mo
Max Speeds
1 Gbps
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Pros
- Broad coverage
- No data caps
- Easy setup
Cons
- Price variations
- Upload speeds
Lumos Fiber
4.5/5
Starting at
$50/mo
Max Speeds
8 Gbps
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Pros
- Multi-gig innovation
- 100% Fiber
- Expansion
Cons
- New player
- Limited footprint
T-Mobile 5G Home
4/5
Starting at
$50/mo
Max Speeds
245 Mbps
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Pros
- Good rural option
- Price locklike features
- No contract
Cons
- Congestion
- Latency
How Fast is Your Current Internet?
Before upgrading to one of these top providers, find out if you're getting the speeds you're already paying for.
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