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Best Internet Providers in Charleston, South Carolina

What is the best internet provider in Charleston?

CNET recommends AT&T Fiber as the top internet provider in Charleston. If AT&T Fiber isn’t available in your area, don’t worry—Charleston residents have plenty of solid alternatives. Options range from fiber plans offered by local provider Home Telecom to cable connections from Xfinity and Spectrum. For those interested in wireless options, T-Mobile Home Internet and Verizon 5G Home Internet provide reliable 5G service.

Broadband access in Charleston is impressive. According to the Federal Communications Commission, every household in the city has access to broadband speeds of at least 100Mbps download and 20Mbps upload, while 98% can opt for plans offering speeds up to 250Mbps. That’s significantly better than in Columbia, South Carolina’s capital, where only 91% of households have access to such high-speed plans—enough to easily handle streaming, remote work and online gaming for a family of four, according to FCC standards.

My visits to Charleston tend to focus more on its sandy beaches and iconic cuisine than on internet speeds, but it’s good to know that fast, reliable connectivity is available no matter where you go in the Holy City.

Charleston internet providers compared

Provider Internet technology Monthly price range Speed range Monthly equipment costs Data cap Contract CNET review score
AT&T Internet Air
Read full review
Fixed wireless $60 10-100Mbps None 1.5TB None 7.4
AT&T Fiber
Read full review
Fiber $65-$255 300-5,000Mbps None None None 7.4
Home Telecom Fiber $70-$100 300-1,000Mbps None None None N/A
Spectrum
Read full review
Cable $30-$70 100-1,000Mbps Free modem; $10 for router (optional) None None 7.2
T-Mobile Home Internet
Read full review
Fixed wireless $50-$70 ($35-$50 with eligible mobile plans) 72-245Mbps None None None 7.4
Verizon 5G Home Internet
Read full review
Fixed wireless $50-$70 ($35-$45 with eligible phone plan) 50-250Mbps None None None 7.2
WOW
Read full review
Cable $30-$95 300-1,200Mbps None None None 7
Xfinity
Read full review
Cable $35-$95 150-1,200Mbps $15 (optional) 1.2TB 1-2 years, depending on plan 7

Show more (4 items)

Source: CNET analysis of provider data.

Other available Charleston residential internet providers

Charleston has more ISPs than many other cities in the US, providing a rather extraordinary range of options. Here are some other providers worth considering.

  • Home Telecom: This company covers about 8% of Charleston, with availability mostly in the Daniel Island area. Its fiber-optic plans offer 300Mbps, 500Mbps, 1 gig or 2 gig for $70, $80, $100 or $130 monthly — which is a bit more expensive than AT&T’s Fiber plans. But it’s a local outfit, equipment is included and there are no data caps or contracts.
  • Satellite internet: We recommend avoiding satellite internet in Charleston, given that cheaper and faster options are widely available. Satellite internet is best for rural areas that cable and fiber don’t reach. If that’s where you live, Hughesnet and Viasat are the most prominent providers, although each requires a two-year contract. Elon Musk’s Starlink offers higher download speeds and lower latency, although it requires $499 for a standard installation, down to $349 right now, not including the monthly rate of $120 per month.
  • Spectrum Internet: Charter Communications’ home internet service is available to about 5% of the area, mostly north of the city in Ladson and Summerville. There are two cable internet plans: 500Mbps for $50 per month and a gigabit offering for $70 per month. There are no data caps or contracts. Prices increase by $30 monthly after the first year.
  • Verizon 5G Home Internet: Like T-Mobile, Verizon uses its cellular network to wirelessly provide home broadband connections. But it’s only available to about 26% of Charleston households.

Scenic view of the St. Michaels Church from Broad St. in Charleston, SC.

Susanne Neumann/Getty Images

Pricing info on Charleston home internet service

The average starting price for internet in Charleston is around $46 per month — on par with other cities, including Austin, Dallas and Philadelphia

Cheap internet options in Charleston

Provider Starting price Max download speed Monthly equipment fee Contract
WOW Internet 300
Read full review
$30 300Mbps None None
Xfinity Connect
Read full review
$35 ($66 after one year) 150Mbps $15 (optional) None
Xfinity Connect More
Read full review
$35 ($86 after one year) 300Mbps $15 (optional) None
Spectrum Internet
Read full review
$40 ($80 after one year) 500Mbps None None
T-Mobile Home Internet
Read full review
$50 ($35 with eligible mobile plans) 245Mbps None None
Verizon 5G Home Internet
Read full review
$50 ($35 with eligible mobile plans) 100Mbps None None
AT&T Fiber Internet 300
Read full review
$65 300Mbps None None
Home Telecom 300 $70 300Mbps None None

Show more (4 items)

Source: CNET analysis of provider data.

How many members of your household use the internet?

Charleston broadband speeds

According to the FCC, 100% of Charleston residents have access to broadband internet and, even more impressively, more than 47% are eligible for gig speed connections (940-1,000Mbps) from either AT&T Fiber, Home Telecom, Spectrum or Xfinity. AT&T also offers multigigabit plans up to 5 gigs (5,000Mbps). 

What are the fastest internet plans in Charleston?

Provider Max download speed Max upload speed Starting price Data cap Contract
AT&T Fiber Internet 5000
Read full review
5,000Mbps 5,000Mbps $255 None None
AT&T Fiber Internet 2000
Read full review
2,000Mbps 2,000Mbps $155 None None
WOW Internet 1.2 Gigs
Read full review
1,200Mbps 50Mbps $95 None None
Xfinity Gigabit Extra
Read full review
1,200Mbps 35Mbps $95 ($126 after two years) 1.2TB 2 years
AT&T Fiber Internet 1000
Read full review
1,000Mbps 1,000Mbps $90 None None
WOW Internet 1 Gig
Read full review
1,000Mbps 50Mbps $60 None None
Home Telecom 1,000Mbps 1,000Mbps $100 None None
Spectrum Internet Gig
Read full review
1,000Mbps 35Mbps $70 ($100 after two years) None None
Xfinity Gigabit
Read full review
1,000Mbps 20Mbps $85 ($116 after one year) 1.2TB 2 years

Show more (5 items)

Source: CNET analysis of provider data.

How CNET chose the best internet providers in Charleston

Internet service providers are numerous and regional. Unlike the latest smartphone, laptop, router or kitchen tool, it’s impractical to personally test every ISP in a given city. What’s our approach? For starters, we tap into a proprietary database of pricing, availability and speed information that draws from our own historical ISP data, partner data and mapping information from the Federal Communications Commission at FCC.gov. We also cross check speeds with Ookla’s Speedtest.net. (Ookla is owned by the same parent company as CNET, Ziff Davis.)

This guide leverages an in-house artificial intelligence tool called RAMP, which is trained on our own writing and uses our database to generate content about specific internet service providers that our writers can use in determining and presenting our picks for a given guide. Check CNET’s AI policy for more information about how our teams use (and don’t use) AI tools.

Because our database is not exhaustive, we go to the FCC’s website to check the primary data for ourselves and make sure we’re considering every ISP that provides service in an area. Plans and prices also vary by location, so we input local addresses on provider websites to find the specific options available to residents. We look at sources, including the American Customer Satisfaction Index and J.D. Power, to evaluate how happy customers are with an ISP’s service. ISP plans and prices are subject to frequent changes; all information provided is accurate as of our prepublication fact-check.

Once we have this localized information, we ask three main questions: 

  1. Does the provider offer access to reasonably fast internet speeds? 
  2. Do customers get decent value for what they’re paying? 
  3. Are customers happy with their service? 

The answer to those questions is often layered and complex, but the providers who come closest to “yes” on all three are the ones we recommend. To explore our process in more depth, visit our page on how we test ISPs.

What’s the bottom line on Charleston internet providers?

Residents of Charleston have a variety of options when it comes to choosing a broadband provider. Xfinity covers nearly every address in the city, and some households can get faster upload speeds through fiber connections from AT&T and local provider Home Telecom. If it’s cheap internet you’re after, look no further than WOW — it has some of the lowest starting prices you’ll find anywhere in the US which don’t spike after 1-2 years of use.

Internet providers in Charleston FAQs

Which is the best internet service provider in Charleston?

It depends on where you live. AT&T Fiber is a solid choice — and CNET’s top pick — but it’s not available to all households; most residents will have to settle for the provider’s DSL connection. If that’s the case, there are better options in that price range. Xfinity covers the greatest number of addresses but comes with data caps and temporary discounts. T-Mobile Home Internet offers no data caps, no price increases and free equipment rental — but its download speeds top out under 240Mbps, which might be insufficient for households with multiple users.


Show more

Which is the cheapest internet provider in Charleston?

Charleston’s cheapest internet provider is WOW with their 300Mbps plan for $30 per month, and if you opt for a $5 price guarantee, it’ll stay that way. WOW’s gigabit plan, which offers 1,000Mbps and costs $60 monthly, is one of the best values in the US at 6 cents per Mbps.


Show more

Which Charleston internet provider offers the fastest plan?

The title goes to AT&T Fiber, whose 5,000Mbps plan costs $255 monthly — another great value at around 5 cents per Mbps.


Show more

Is fiber internet available in Charleston?

Yes. AT&T Fiber offers three plans for up to 1 gig in several areas and up to 5 gigs in others. Local provider Home Telecom offers four fiber plans with strong coverage in the Daniel Island area. 


Show more



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