Internet in Charleston at a glance
- Top providers
- AT&T Fiber, Xfinity, WOW!, T-Mobile 5G
- Fastest option
- AT&T Fiber up to 5 Gig; Xfinity up to 2 Gig
- Cheapest starting price
- WOW! from ~$30/mo; AT&T Fiber from $34/mo
- Fiber availability
- AT&T Fiber in much of the city; Xfinity fiber select areas
- Connection types
- Fiber, cable, 5G fixed wireless, satellite
In Charleston, AT&T Fiber is the best provider (symmetrical up to 5 Gig, no contracts or data caps, J.D. Power top-rated) while Xfinity is the widely-available cable option (up to 2 Gig) and WOW! is a budget cable alternative, with 5G citywide.
Charleston's top pick is AT&T Fiber (symmetrical up to 5 Gig from $34, no caps, top satisfaction). Xfinity is the broad cable alternative (up to 2 Gig, from $40, with a free Xfinity Mobile line offer), and WOW! is the budget cable option (up to 1 Gig from $30, free self-install). T-Mobile 5G covers ~81% as a wireless option. Satellite covers the surrounding Lowcountry.
📞 Fastest way to get connected in Charleston
Availability changes street by street — especially fiber. The quickest way to know exactly what's at your address (and lock in today's promotions) is to call a free advisor at (844) 933-1065. No obligation, and they'll check every provider for your specific Charleston address in minutes.
Internet providers available in Charleston
Here's a snapshot of the main internet providers serving Charleston, South Carolina. Because availability is address-specific, call (844) 933-1065 to confirm what's at your exact location.
| Provider | Type | Top speed | From* | Availability |
|---|---|---|---|---|
| AT&T | Fiber & 5G Air | Up to 5 Gig | $34/mo | Fiber much of the city; Air elsewhere |
| Xfinity | Cable | Up to 2 Gig | $40/mo | most of the city |
| WOW! | Cable | Up to 1 Gig | $30/mo | parts of the city |
| T-Mobile 5G Home | 5G | Up to ~415 Mbps | $35/mo | Citywide |
| Verizon 5G Home | 5G | Up to 1 Gig | $35/mo | Parts of city |
| Satellite (Starlink/Viasat) | Satellite | Up to ~350 Mbps | $50/mo | Everywhere |
*Starting/promotional prices with typical conditions, illustrative and varying by address. Promotions change frequently — confirm current pricing by phone.
Charleston provider breakdown
AT&T
AT&T offers two products in Charleston: AT&T Fiber — fast symmetrical speeds up to 5 Gig from ~$34/mo, covering much of the city — and AT&T Internet Air (5G) where fiber hasn't reached. Avoid the older AT&T Internet (DSL/IPBB); fiber is the one to get. No annual contract, reward cards.
📞 Call about AT&T — (844) 933-1065Xfinity
The most widely available wired option in Charleston, covering most of the city, with speeds up to 2 Gig and a free mobile line for 12 months with qualifying internet. (1.2 TB data cap in most markets.)
📞 Call about Xfinity — (844) 933-1065WOW!
WOW! (WideOpenWest) is a cable provider in Charleston (parts of the city), known for straightforward pricing, low intro rates, and no data caps — a strong budget value for heavier users.
📞 Call about WOW! — (844) 933-1065T-Mobile 5G Home
Nationwide 5G home internet, available across Charleston. $35/mo with AutoPay and a T-Mobile voice line, no contract, no equipment fees, and a 5-year price guarantee.
📞 Call about T-Mobile 5G Home — (844) 933-1065Verizon 5G Home
A wireless alternative in Charleston, from $35/mo with a Verizon mobile plan, plus a multi-year price guarantee and gift-card offers.
📞 Call about Verizon 5G Home — (844) 933-1065Satellite (Starlink/Viasat)
Available anywhere as a fallback. Rarely the first choice in a well-served city, but an option for addresses wired and 5G providers don't reach. Starlink now offers speeds up to ~350 Mbps with no data caps.
📞 Call about Satellite (Starlink/Viasat) — (844) 933-1065Talk to a free Charleston advisor now
Check availability at your exact address and lock in today's promotions — free, no obligation, 7 days a week.
📞 Call (844) 933-1065Choosing the best internet in Charleston
For most Charleston households:
- Want the fastest fiber? AT&T Fiber — symmetrical up to 5 Gig, no caps.
- No fiber, or want the widest + free mobile line? Xfinity covers most of the city.
- Want the cheapest cable? WOW! from $30, or T-Mobile 5G.
Call a free advisor at (844) 933-1065 to check your exact Charleston address.
Bundling internet in Charleston
In Charleston, AT&T's fiber-plus-wireless discount and Xfinity's free mobile line are the strongest bundles, while WOW! offers low no-cap pricing. T-Mobile and Verizon customers can bundle their 5G home internet with their phone plans. For the full picture, see our complete bundling guide, internet + mobile, and free mobile line deals.
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If now's not a good time to call, leave your details and a free Charleston advisor will reach out to check availability and walk through current deals — no obligation.
Frequently asked questions
AT&T Fiber is the best (symmetrical up to 5 Gig, no caps, J.D. Power top-rated). Xfinity is the widely-available cable option (up to 2 Gig), and WOW! is the budget cable alternative. The best for you depends on your exact address — call (844) 933-1065 to check.
Yes — AT&T Fiber serves much of Charleston (symmetrical up to 5 Gig), with Xfinity fiber in select areas. Confirm fiber for your exact address.
WOW! starts around $30/month, AT&T Fiber around $34, Xfinity around $40, and T-Mobile/Verizon 5G around $35. Multi-gig plans cost more. Confirm current rates for your address.
AT&T Fiber's reward card, Xfinity's free mobile line, and WOW!'s low no-cap pricing are standout deals. Call a free advisor to find the best deal for your address.
Yes — several providers in Charleston offer no-contract plans, including T-Mobile 5G Home, Verizon, and the major fiber and cable providers. Call to see which reach your home.