Internet providers in South Carolina
UPDATED JULY 2026 · BUILT FROM FCC BROADBAND DATA
“Every option at your address — one search, one call.”South Carolina has 47 internet providers reporting residential service across 421 zip codes. Fiber now reaches 100% of South Carolina zips, cable 93%, and 5G home internet 100% — and because availability changes street by street, the provider list two blocks over can look completely different from yours.
Fiber in South Carolina is led by Spectrum, reported in 358 zips, with AT&T the next-widest fiber network. On cable, Spectrum has the broadest footprint at 280 zips. T-Mobile carries most of the state’s 5G home internet coverage. Roughly 100% of South Carolina zips (420) have two or more of these competing at the same address — that overlap is where the real pricing leverage lives, and it is exactly what we help you use on the phone.
Check your exact spot right here, or skip the typing and call (855) 240-4535 — a real person reads out every provider at your address and can have you ordered in about five minutes.
Top fiber providers in South Carolina
| Provider | Coverage |
|---|---|
| Spectrum | 358 zips |
| AT&T | 197 zips |
| CarolinaConnect Cooperative Inc | 75 zips |
| West Carolina Rural Telephone Cooperative Inc | 66 zips |
| Palmetto Telephone Communications, LLC | 54 zips |
Top cable providers in South Carolina
| Provider | Coverage |
|---|---|
| Spectrum | 280 zips |
| Xfinity | 100 zips |
| Vyve Broadband | 46 zips |
| Breezeline | 39 zips |
| WOW Internet, Cable & Phone | 32 zips |
Top 5G home internet providers in South Carolina
| Provider | Coverage |
|---|---|
| T-Mobile | 420 zips |
| AT&T | 410 zips |
| Verizon | 406 zips |
| FTC Wireless | 13 zips |
| RiverStreet Networks | 10 zips |
Rural and everywhere-else options
Satellite service — Starlink, Viasat, and Hughesnet — covers virtually every South Carolina address, which matters in the 0% of zips fiber hasn't reached yet. On a call we'll tell you honestly when satellite is the right answer and when a 5G or wired option will serve you better for less.
South Carolina internet FAQ
Who is the largest internet provider in South Carolina?
By zip-code coverage in FCC data, T-Mobile reports service in 420 of South Carolina's 421 covered zips. Coverage is street-by-street, so the best provider for you depends on your exact address — one call to (855) 240-4535 checks every option at once.
Does South Carolina have fiber internet?
Yes — fiber is reported in 100% of South Carolina zip codes, with top advertised speeds up to 8 Gbps. The biggest fiber network belongs to Spectrum.
Is 5G home internet available in South Carolina?
5G home internet is reported in 100% of South Carolina zips, led by T-Mobile. It installs in minutes with no technician and is usually contract-free — a strong option where cable choices are limited.
What's the fastest way to compare internet providers in South Carolina?
Type your address into the search box on this page for an instant zip-level picture, then call (855) 240-4535 — a real person confirms exactly which providers and prices are live at your address and can place the order, typically in about five minutes.
Nearby states: North Carolina · Georgia · all states
Keep reading: what internet costs in 2026 · fiber vs cable · 5G home internet review