
Internet providers in Charleston, SC
City-level estimate
Provider mix signal
When verified fields exist
Data from FCC Broadband Data Collection
Top-ranked provider

AT&T
AT&T Fiber 5 Gbps plan
All providers in Charleston
8 optionsPlans
- Google Fiber 1 Gig1.0 Gbps · $70/mo
- Google Fiber 2 Gig2.0 Gbps · $100/mo
- Google Fiber 5 Gig5.0 Gbps · $125/mo
- Google Fiber 8 Gbps8.0 Gbps · $150/mo
Plans
- Spectrum Internet Advantage100 Mbps · $30/mo
- Spectrum Internet Premier500 Mbps · $40/mo
- Spectrum Internet Gig1.0 Gbps · $60/mo
- Spectrum Internet 2 Gig2.0 Gbps · $80/mo
Plans
- WOW! Internet 500 Mbps1.0 Gbps · $49/mo
- WOW! Gig Internet2.0 Gbps · $69/mo
- WOW! 1.2 Gbps Internet2.0 Gbps · $79/mo
- WOW! 2 Gbps Internet500 Mbps · $99/mo
Plans
- Cox Fast 300 Mbps300 Mbps · $55/mo
- Cox Go Even Faster 500 (Gbps)1.0 Gbps · $80/mo
- Cox Go Super Fast 1 Gbps1.0 Gbps · $95/mo
- Cox Go Beyond Fast (2 Gbps)2.0 Gbps · $115/mo
Plans
- Viasat Unlimited Silver 252.0 Gbps · $70/mo
- Viasat Unlimited Silver 25300 Mbps · $70/mo
Plans
- EarthLink Fiber 100100 Mbps · $59/mo
- EarthLink Fiber 1 Gig1.0 Gbps · $89/mo
Plans
- TDS High-Speed Cable 200220 Mbps · $44/mo
- TDS Fiber 1 Gig200 Mbps · $69/mo
- TDS Cable 1 Gbps200 Mbps · $69/mo
- TDS Fiber 2 Gig245 Mbps · $109/mo
Best for your use case
Picked from real plans available in Charleston.
Best for streaming
Highest sustained download speed for 4K and multi-device.
AT&T
AT&T Fiber 5 Gbps plan
Best for gaming
Lowest latency potential via highest upload speeds.
Google Fiber
Google Fiber 8 Gbps
Best on a budget
Lowest monthly price with a real plan backing it.
Spectrum
Spectrum Internet Advantage
Best for rural
Wireless or satellite coverage where wired options are limited.
Viasat
Viasat Unlimited Silver 25
About internet in Charleston
Charleston, SC has 8 residential internet providers reporting service in the FCC Broadband Map. Advertised download speeds average 1.4 Gbps across the 28 plans tracked here. 7 of those providers offer fiber or gigabit-tier service, which typically means symmetric uploads and lower latency than cable or DSL.
28 plans tracked · Source: FCC Broadband Data Collection / Broadband Map + provider plan data
Frequently asked questions
Nearby cities
ZIP codes in Charleston, SC
Provider availability is block-level. Jump to your ZIP code for the exact plans and prices at your address.
Internet in Charleston, SC
Charleston, SC has 8 internet providers tracked in the Konecteaze database across roughly 28 plans. Fiber is among the options in Charleston, which typically means symmetrical uploads and lower latency. The technology mix covers DSL, fiber, satellite, and cable, so you can weigh speed against price. AT&T, COX, and Earthlink are among the providers listed for Charleston. Budget plans begin near $30/mo, while the fastest tier we see hits 8 Gbps. Use the availability checker below to narrow the list to providers that actually serve your address — footprints are block-level in most metros.
- Providers tracked
- 8
- Plans tracked
- 28
- Max speed
- 8 Gbps
- Lowest price
- $30.00/mo
- Connection types
- DSL • Fiber • Satellite • Cable
- Fiber
- Available
Top Charleston plans we track
Live pricing and speed ranges from the Konecteaze database. Block-level availability depends on your address.
Spectrum
Speed100 Mbps
Pricefrom $30.00/mo
INTERNET
TDS Telecom
Speed220 Mbps
Pricefrom $44.95/mo
OTHER
WOW
Speed1 Gbps
Pricefrom $49.99/mo
CABLE
AT&T
Speed300 Mbps
Pricefrom $50.00/mo
INTERNET
COX
Speed300 Mbps
Pricefrom $55.00/mo
INTERNET
Earthlink
Speed100 Mbps
Pricefrom $59.95/mo
DSL
Source: Konecteaze provider database; verify final availability and terms with the provider
AT&T vs COX in Charleston
Both AT&T and COX compete in Charleston. Your best choice depends on what's actually available at your address and whether you value price, upload speed, or bundle options.
Frequently asked questions
How many internet providers are there in Charleston, SC?
Konecteaze currently tracks 8 internet providers serving Charleston, SC, with 28 plans across fiber, cable, DSL, 5G home, and satellite. Availability varies block-by-block — always confirm by zip code.
Who are the top internet providers in Charleston?
In our Charleston data, AT&T, COX, Earthlink are the most widely available. Your actual options depend on your address — fiber footprints in particular are block-level, so two neighbouring streets can have very different menus.
What's the cheapest internet plan in Charleston, SC?
The lowest advertised plan we track for Charleston starts at $30/mo. Promo pricing expires, so the number you see at checkout may differ — we keep this page refreshed but always verify on the provider's site before you commit.
Is fiber internet available in Charleston?
Yes — we see fiber coverage in Charleston today. That includes symmetrical upload speeds and typically lower latency for gaming and video calls. The exact fiber provider at your address depends on block-level buildouts.
What's the fastest internet speed available in Charleston?
The top advertised speed in our Charleston data is 8 Gbps. Multi-gig plans are becoming more common; actual speed depends on the technology and plan tier you pick.
How do I switch internet providers in Charleston?
Start by comparing plans on this page, confirm availability at your exact address, schedule install with the new provider, then cancel the old one once you're live. Many providers in Charleston offer self-install kits to avoid a tech visit.
Explore more of SC
Nearby cities, top providers, and tools for Charleston shoppers.
- All internet providers in SC →
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- Coverage map for your zip code →