In Williamsburg County there are 9 residential internet providers covering 99.77% of the county. The average home can get speeds up to 976 Mbps. Note that we may have a financial relationship with some of the providers below. This does not influence rankings, and helps us provide high-quality detailed information for free.
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9 Internet Service Providers in Williamsburg County
Data updated 11/14/2025, based on FCC data from 12/31/2024. This is the most current data available as of .
To avoid wasting your time, providers with less than 1% coverage in Williamsburg County are not shown.
Williamsburg County Satellite TV & Internet Providers
DISH Satellite TV
DIRECTV Satellite TV
Not sure whether to choose Dish or DIRECTV? For most people most of the time we recommend DISH. But click here to learn more.
Viasat Satellite Internet
Availability maps for all providers in Williamsburg County
Using the dropdown below, please select a provider. Green indicates nearly all homes have service, red indicates few homes have service, and blank indicates no service.
Please note some providers will take longer to load than others
Internet service is available in 99.77% of Williamsburg County. Using our interactive availability map, you can compare service areas for different providers, we include fiber, cable, DSL, or fixed wireless internet service for all providers who offer it. You will notice that some providers might be listed multiple times for each service. If you find no providers cover the location you're looking at, you can opt for satellite service. The most widely available provider is FTC. Now you can call companies in Williamsburg County with more confidence that they might be available.
How fast are internet speeds in Williamsburg County?
The map below shows maximum internet speeds by area in Williamsburg County.
Internet Speed Key
The average Williamsburg County home can get up to 976 Mbps on their internet plan. For most people, the fastest download speed in the county is 1,000 Mbps, which 97.15% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, less than 1% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Williamsburg County.
Internet speeds tend to be faster in the southwest parts of Williamsburg County, and slower in the north areas of the county.
What type of internet should I choose in Williamsburg County?
The fastest internet for you may vary based on where in Williamsburg County you live. If speed is your main concern, fiber will be the fastest internet in the county.
- Fiber is the fastest internet type for 82.46% of Williamsburg County homes.
- Cable is fastest for 14.69% of the county.
- DSL is fastest for 1.71%.
- Fixed wireless is fastest for less than 1%.
- Satellite internet may be the only option for less than 1% of Williamsburg County homes.
Internet Market Health in Williamsburg County
Internet Competition Key
The map shows how competitive the Williamsburg County internet service market is. Areas in green have more alternatives, areas in yellow have a few choices, and areas in red may have only one provider. More competition usually means faster speeds and better prices for you, the customer.
Below are quick facts on internet competition and market health in Williamsburg County based on what connections the average home has availabile:
- Average number of internet service providers to a home: 2.9 (very unhealthy)
- Average types of service (fiber, cable, DSL, etc): 2.5 (unhealthy)
- Average providers with broadband (25 Mbps+) speeds: 2.5 (very unhealthy)
Overall, competition is very unhealthy.
Williamsburg County internet customers have the ability to buy internet service from 1 to 7 different providers, depending on where they live. For different types of service, Williamsburg County homes have between 1 and 4 options. The type(s) of service available are fiber, fixed wireless, cable, and dsl, though these may vary depending on the region within the county.
When it comes to broadband download speeds faster than 25 Mbps, the situation is worse. Williamsburg County internet customers who want faster speeds have between 0 and 6 choices of companies offering speeds up to or over 25 Mbps.
More internet companies with faster speeds means fewer monopolies and better prices for customers. In promoting a free market for internet, Williamsburg County badly needs improvement.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in Williamsburg County, along with details on where in Williamsburg County and at what speeds.
FTC Communications Fiber in Williamsburg County, SC
FTC fiber coverage
About 71.31%, or 22,124 people, have FTC fiber internet available to them in the county. The company covers the entire Williamsburg County area. FTC is a large internet service provider internet service providers in the US, with internet service available in much of Williamsburg County.
FTC Communications fiber download speeds
FTC is one of the fastest when comparing download speeds to all other internet providers in Williamsburg County. Versus other fiber providers in the area, FTC fiber is one of the fastest. There are no different maximum speeds throughout Williamsburg County. The fastest plan anyone in Williamsburg County can order from FTC goes up to 1,000 Mbps, and all Williamsburg County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
FTC Communications fiber upload speeds
In Williamsburg County download speeds tend to be equal to than upload speeds for FTC fiber. Compared to other ISPs, FTC is the fastest where upload speeds are concerned, and the fastest compared to other Williamsburg County fiber providers. FTC offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Williamsburg County is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Spectrum Cable in Williamsburg County, SC
Spectrum cable coverage
About 43.54%, or 13,510 people, have Spectrum cable internet available to them in the county. The company covers the entire Williamsburg County area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in some of Williamsburg County.
Spectrum cable download speeds
Spectrum is one of the fastest when comparing download speeds to all other internet providers in Williamsburg County. Versus other cable providers in the area, Spectrum cable is the fastest. There are no different maximum speeds throughout Williamsburg County. The fastest plan anyone in Williamsburg County can order from Spectrum goes up to 1,000 Mbps, and all Williamsburg County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum cable upload speeds
In Williamsburg County download speeds tend to be faster than than upload speeds for Spectrum cable. Compared to other ISPs, Spectrum is below average where upload speeds are concerned, and the fastest compared to other Williamsburg County cable providers. Spectrum offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Williamsburg County is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
FTC Communications DSL in Williamsburg County, SC
FTC DSL coverage
About 28.87%, or 8,957 people, have FTC DSL internet available to them in the county. The company covers the entire Williamsburg County area. FTC is a large internet service provider internet service providers in the US, with internet service available in a small portion of Williamsburg County.
FTC Communications DSL download speeds
FTC is below average when comparing download speeds to all other internet providers in Williamsburg County. Versus other DSL providers in the area, FTC DSL is the fastest. There are 4 different maximum speeds throughout Williamsburg County. The fastest plan anyone in Williamsburg County can order from FTC goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Williamsburg County customers is up to 60 Mbps.
Show all download speeds
- 35.2% up to 100.0 Mbps
- 40.2% up to 50.0 Mbps
- 13.1% up to 25.0 Mbps
- 11.5% up to 10.0 Mbps
FTC Communications DSL upload speeds
In Williamsburg County download speeds tend to be faster than than upload speeds for FTC DSL. Compared to other ISPs, FTC is below average where upload speeds are concerned, and the fastest compared to other Williamsburg County DSL providers. FTC offers 4 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Williamsburg County is up to 10 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, FTC customers can get speeds up to 7.2 Mbps.
Show all upload speeds
- 35.2% up to 10.0 Mbps
- 40.2% up to 8.0 Mbps
- 13.1% up to 3.0 Mbps
- 11.5% up to 1.0 Mbps
Frontier Communications DSL in Williamsburg County, SC
Frontier DSL coverage
About 16.45%, or 5,105 people, have Frontier DSL internet available to them in the county. The company covers the northeast, west, central, east, and southeast Williamsburg County area. Frontier is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Williamsburg County.
Frontier Communications DSL download speeds
Frontier is below average when comparing download speeds to all other internet providers in Williamsburg County. Versus other DSL providers in the area, Frontier DSL is the slowest. There are 5 different maximum speeds throughout Williamsburg County. The fastest plan anyone in Williamsburg County can order from Frontier goes up to 115 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Williamsburg County customers is up to 32 Mbps.
Show all download speeds
- 10.0% up to 115.0 Mbps
- 8.5% up to 90.0 Mbps
- 4.1% up to 70.0 Mbps
- 7.4% up to 45.0 Mbps
- 70.0% up to 10.0 Mbps
Frontier Communications DSL upload speeds
In Williamsburg County download speeds tend to be faster than than upload speeds for Frontier DSL. Compared to other ISPs, Frontier is below average where upload speeds are concerned, and the slowest compared to other Williamsburg County DSL providers. Frontier offers 4 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Williamsburg County is up to 7.0 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Frontier customers can get speeds up to 2.2 Mbps.
Show all upload speeds
- 10.0% up to 7.0 Mbps
- 8.5% up to 5.0 Mbps
- 11.5% up to 3.0 Mbps
- 70.0% up to 1.0 Mbps
Spectrum Fiber in Williamsburg County, SC
Spectrum fiber coverage
About 12.02%, or 3,728 people, have Spectrum fiber internet available to them in the county. The company covers the northeast, east, northwest, and north Williamsburg County area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Williamsburg County.
Spectrum fiber download speeds
Spectrum is one of the fastest when comparing download speeds to all other internet providers in Williamsburg County. Versus other fiber providers in the area, Spectrum fiber is one of the fastest. There are no different maximum speeds throughout Williamsburg County. The fastest plan anyone in Williamsburg County can order from Spectrum goes up to 1,000 Mbps, and all Williamsburg County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum fiber upload speeds
In Williamsburg County download speeds tend to be faster than than upload speeds for Spectrum fiber. Compared to other ISPs, Spectrum is above average where upload speeds are concerned, and the slowest compared to other Williamsburg County fiber providers. Spectrum offers 2 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Williamsburg County is up to 500 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, Spectrum customers can get speeds up to 492 Mbps.
Show all upload speeds
- 98.3% up to 500.0 Mbps
- 1.7% up to 35.0 Mbps
T-Mobile Home Internet Fixed Wireless in Williamsburg County, SC
T-Mobile Home Internet fixed wireless coverage
About 77.82%, or 24,144 people, have T-Mobile Home Internet fixed wireless internet available to them in the county. The company covers the entire Williamsburg County area. T-Mobile Home Internet is one of the largest internet service providers internet service providers in the US, with internet service available in much of Williamsburg County.
T-Mobile Home Internet fixed wireless download speeds
T-Mobile Home Internet is below average when comparing download speeds to all other internet providers in Williamsburg County. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is below average. There are 2 different maximum speeds throughout Williamsburg County. The fastest plan anyone in Williamsburg County can order from T-Mobile Home Internet goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the county-wide average maximum speed for Williamsburg County customers is up to 51 Mbps.
Show all download speeds
- 35.1% up to 100.0 Mbps
- 64.9% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Williamsburg County download speeds tend to be faster than than upload speeds for T-Mobile Home Internet fixed wireless. Compared to other ISPs, T-Mobile Home Internet is below average where upload speeds are concerned, and average compared to other Williamsburg County fixed wireless providers. T-Mobile Home Internet offers 2 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Williamsburg County is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, T-Mobile Home Internet customers can get speeds up to 9.0 Mbps.
Show all upload speeds
- 35.1% up to 20.0 Mbps
- 64.9% up to 3.0 Mbps
FTC Communications Fixed Wireless in Williamsburg County, SC
FTC fixed wireless coverage
About 18.69%, or 5,799 people, have FTC fixed wireless internet available to them in the county. The company covers the central, northeast, west, east, and southeast Williamsburg County area. FTC is a large internet service provider internet service providers in the US, with internet service available in a small portion of Williamsburg County.
FTC Communications fixed wireless download speeds
FTC is the slowest when comparing download speeds to all other internet providers in Williamsburg County. Versus other fixed wireless providers in the area, FTC fixed wireless is the slowest. There are no different maximum speeds throughout Williamsburg County. The fastest plan anyone in Williamsburg County can order from FTC goes up to 10 Mbps, and all Williamsburg County customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
FTC Communications fixed wireless upload speeds
In Williamsburg County download speeds tend to be faster than than upload speeds for FTC fixed wireless. Compared to other ISPs, FTC is the slowest where upload speeds are concerned, and the slowest compared to other Williamsburg County fixed wireless providers. FTC offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Williamsburg County is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
Verizon Fixed Wireless in Williamsburg County, SC
Verizon fixed wireless coverage
About 14.22%, or 4,412 people, have Verizon fixed wireless internet available to them in the county. The company covers the central, west, southwest, southeast, south, northeast, and east Williamsburg County area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Williamsburg County.
Verizon fixed wireless download speeds
Verizon is below average when comparing download speeds to all other internet providers in Williamsburg County. Versus other fixed wireless providers in the area, Verizon fixed wireless is the fastest. There are no different maximum speeds throughout Williamsburg County. The fastest plan anyone in Williamsburg County can order from Verizon goes up to 300 Mbps, and all Williamsburg County customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In Williamsburg County download speeds tend to be faster than than upload speeds for Verizon fixed wireless. Compared to other ISPs, Verizon is below average where upload speeds are concerned, and the fastest compared to other Williamsburg County fixed wireless providers. Verizon offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Williamsburg County is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
EarthLink Fixed Wireless in Williamsburg County, SC
EarthLink fixed wireless coverage
About 2.29%, or 709 people, have EarthLink fixed wireless internet available to them in the county. The company covers the southeast, northwest, east, and northeast Williamsburg County area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Williamsburg County.
EarthLink fixed wireless download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Williamsburg County. Versus other fixed wireless providers in the area, EarthLink fixed wireless is below average. There are no different maximum speeds throughout Williamsburg County. The fastest plan anyone in Williamsburg County can order from EarthLink goes up to 25 Mbps, and all Williamsburg County customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In Williamsburg County download speeds tend to be faster than than upload speeds for EarthLink fixed wireless. Compared to other ISPs, EarthLink is below average where upload speeds are concerned, and below average compared to other Williamsburg County fixed wireless providers. EarthLink offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Williamsburg County is up to 3.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 3.0 Mbps
AT&T Fixed Wireless in Williamsburg County, SC
AT&T fixed wireless coverage
About 2.29%, or 709 people, have AT&T fixed wireless internet available to them in the county. The company covers the southeast, northwest, east, and northeast Williamsburg County area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Williamsburg County.
AT&T fixed wireless download speeds
AT&T is below average when comparing download speeds to all other internet providers in Williamsburg County. Versus other fixed wireless providers in the area, AT&T fixed wireless is below average. There are no different maximum speeds throughout Williamsburg County. The fastest plan anyone in Williamsburg County can order from AT&T goes up to 25 Mbps, and all Williamsburg County customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In Williamsburg County download speeds tend to be faster than than upload speeds for AT&T fixed wireless. Compared to other ISPs, AT&T is below average where upload speeds are concerned, and below average compared to other Williamsburg County fixed wireless providers. AT&T offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Williamsburg County is up to 3.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 3.0 Mbps
Williamsburg County Internet by Area
This information is most helpful to those looking for homes or considering moving to Williamsburg County or any of the areas nearby.
How does internet in Williamsburg County compare to the rest of South Carolina?
Internet speeds in Williamsburg County are slower versus the average speeds in South Carolina: 3,075 Mbps in South Carolina versus 976 Mbps in the county. The state has similar internet availability compared to the county. Average internet coverage in South Carolina is 98.34% versus 99.77% in Williamsburg County.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around Williamsburg County are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does internet service look like in other counties?
Below are counties nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Counties
- Clarendon County, SC: less internet coverage, faster speeds
- Horry County, SC: less internet coverage, faster speeds
- Calhoun County, SC: less internet coverage, faster speeds
- Aiken County, SC: less internet coverage, faster speeds
- Edgefield County, SC: less internet coverage, faster speeds
- Columbia County, GA: more internet coverage, faster speeds
- Lincoln County, GA: less internet coverage, faster speeds
- Wilkes County, GA: less internet coverage, faster speeds
- Taliaferro County, GA: less internet coverage, faster speeds
- Greene County, GA: less internet coverage, faster speeds
Counties with Similar Populations
- Scott County, TN: less internet coverage, faster speeds
- Somerset County, MD: less internet coverage, faster speeds
- Barton County, KS: more internet coverage, faster speeds
- Barceloneta Municipio, PR: less internet coverage, faster speeds
- Barbour County, AL: less internet coverage, faster speeds
- Simpson County, MS: less internet coverage, slower speeds
- Audrain County, MO: less internet coverage, faster speeds
- Assumption Parish, LA: less internet coverage, faster speeds
- Asotin County, WA: more internet coverage, slower speeds
- Ashe County, NC: less internet coverage, faster speeds