15Residential providers
9ZIP codes
9 / 9ZIPs with fiber
8 GbpsFastest filed speed
FCC Broadband Data Collection, Dec 2024 vintage, residential filings — broadbandmap.fcc.gov. Availability is address-specific within each ZIP.
Enter your Charleston ZIP code to see every provider at your address:
Call (855) 643-8023Top internet providers in Charleston
| Provider | Technology | ZIPs served (of 9) | Top filed speed |
|---|---|---|---|
| Home Telecom | Fiber | 9 | 5 Gbps |
| Xfinity | Cable + Fiber | 9 | 5 Gbps |
| WOW! | Cable + Fiber | 9 | 1.2 Gbps |
| AT&T Internet Air | 5G Home | 9 | 100 Mbps |
| T-Mobile Home Internet | 5G Home | 9 | 100 Mbps |
| AT&T Fiber | Fiber | 8 | 5 Gbps |
Satellite service (Starlink, Viasat, HughesNet) additionally covers every Charleston address, and 5G home internet from T-Mobile, Verizon, and AT&T is available across the city — useful when a building or street falls in a wired-coverage gap.
Internet in Charleston, SC — FAQs
Who has the best internet in Charleston, SC?
FCC filings list 15 residential providers in Charleston. Home Telecom has the widest coverage (9 of 9 ZIP codes), and the fastest filing reaches 8 Gbps. The best pick is address-specific — enter your ZIP to compare every option at your home.
Does Charleston have fiber internet?
Yes — fiber from at least one provider is filed in 9 of Charleston’s 9 ZIP codes per FCC data (Dec 2024), with top advertised speeds up to 8 Gbps. Street-level availability varies, so check your exact address.
What is the cheapest internet in Charleston, SC?
Entry promos in Charleston typically run $25–$50/mo from the cable and 5G home providers, and $35/mo 5G home internet (with a mobile line) is available across the city. See our cheapest-plans guide, or search your ZIP for current offers at your address.