In Dorchester there are 8 residential internet providers covering 100.00% of the city. The average home can get speeds up to 4,723 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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8 Internet Service Providers in Dorchester
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 Dorchester are not shown.
Dorchester 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 Dorchester
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 100.00% of Dorchester. 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 Home Telecom. Now you can call companies in Dorchester with more confidence that they might be available.
How fast are internet speeds in Dorchester?
The map below shows maximum internet speeds by area in Dorchester.
Internet Speed Key
The average Dorchester home can get up to 4,723 Mbps on their internet plan. For most people, the fastest download speed in the city is 5,000 Mbps, which 93.07% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 6.93% of homes can only purchase plans up to 1,000 Mbps. See the internet provider details below for info about their speed and coverage in Dorchester.
Internet speeds tend to be faster in the northeast parts of Dorchester, and slower in the west areas of the city.
What type of internet should I choose in Dorchester?
The fastest internet for you may vary based on where in Dorchester you live. If speed is your main concern, fiber will be the fastest internet in the city.
- Fiber is the fastest internet type for 100.00% of Dorchester homes.
- Cable is fastest for less than 1% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for less than 1%.
- Satellite internet may be the only option for less than 1% of Dorchester homes.
Internet Market Health in Dorchester
Internet Competition Key
The map shows how competitive the Dorchester 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 Dorchester based on what connections the average home has availabile:
- Average number of internet service providers to a home: 2.2 (very unhealthy)
- Average types of service (fiber, cable, DSL, etc): 1.5 (very unhealthy)
- Average providers with broadband (25 Mbps+) speeds: 2.2 (very unhealthy)
Overall, competition is very unhealthy.
Dorchester internet customers have the ability to buy internet service from 1 to 5 different providers, depending on where they live. For different types of service, Dorchester homes have between 1 and 2 options. The type(s) of service available are fiber and fixed wireless, though these may vary depending on the region within the city.
When it comes to broadband download speeds faster than 25 Mbps, the situation is similar. Dorchester internet customers who want faster speeds have between 1 and 5 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, Dorchester badly needs improvement.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in Dorchester, along with details on where in Dorchester and at what speeds.
Home Telecom Fiber in Dorchester, SC
Home Telecom fiber coverage
About 93.07%, or 1,611 people, have Home Telecom fiber internet available to them in the city. The company covers the entire Dorchester area. Home Telecom is a large internet service provider internet service providers in the US, with internet service available in most of Dorchester.
Home Telecom fiber download speeds
Home Telecom is the fastest when comparing download speeds to all other internet providers in Dorchester. Versus other fiber providers in the area, Home Telecom fiber is the fastest. There are no different maximum speeds throughout Dorchester. The fastest plan anyone in Dorchester can order from Home Telecom goes up to 5,000 Mbps, and all Dorchester customers can get this speed.
Show all download speeds
- 100.0% up to 5,000.0 Mbps
Home Telecom fiber upload speeds
In Dorchester download speeds tend to be equal to than upload speeds for Home Telecom fiber. Compared to other ISPs, Home Telecom is the fastest where upload speeds are concerned, and the fastest compared to other Dorchester fiber providers. Home Telecom offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Dorchester is up to 5,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 5,000.0 Mbps
Spectrum Fiber in Dorchester, SC
Spectrum fiber coverage
About 69.73%, or 1,207 people, have Spectrum fiber internet available to them in the city. The company covers the east, central, south, southwest, west, northwest, southeast, and north Dorchester area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in much of Dorchester.
Spectrum fiber download speeds
Spectrum is below average when comparing download speeds to all other internet providers in Dorchester. Versus other fiber providers in the area, Spectrum fiber is one of the slowest. There are no different maximum speeds throughout Dorchester. The fastest plan anyone in Dorchester can order from Spectrum goes up to 1,000 Mbps, and all Dorchester customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum fiber upload speeds
In Dorchester download speeds tend to be faster than than upload speeds for Spectrum fiber. Compared to other ISPs, Spectrum is below average where upload speeds are concerned, and the slowest compared to other Dorchester fiber providers. Spectrum offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Dorchester is up to 500 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 500.0 Mbps
Palmetto Rural Telephone Cooperative Fiber in Dorchester, SC
PRTC fiber coverage
About 7.28%, or 126 people, have PRTC fiber internet available to them in the city. The company covers the west and southwest Dorchester area. PRTC is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Dorchester.
Palmetto Rural Telephone Cooperative fiber download speeds
PRTC is below average when comparing download speeds to all other internet providers in Dorchester. Versus other fiber providers in the area, PRTC fiber is one of the slowest. There are no different maximum speeds throughout Dorchester. The fastest plan anyone in Dorchester can order from PRTC goes up to 1,000 Mbps, and all Dorchester customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Palmetto Rural Telephone Cooperative fiber upload speeds
In Dorchester download speeds tend to be equal to than upload speeds for PRTC fiber. Compared to other ISPs, PRTC is below average where upload speeds are concerned, and below average compared to other Dorchester fiber providers. PRTC offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Dorchester is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
T-Mobile Home Internet Fixed Wireless in Dorchester, SC
T-Mobile Home Internet fixed wireless coverage
About 44.95%, or 778 people, have T-Mobile Home Internet fixed wireless internet available to them in the city. The company covers the northeast, east, west, north, and northwest Dorchester area. T-Mobile Home Internet is one of the largest internet service providers internet service providers in the US, with internet service available in some of Dorchester.
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 Dorchester. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is the fastest. There are 2 different maximum speeds throughout Dorchester. The fastest plan anyone in Dorchester can order from T-Mobile Home Internet goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for Dorchester customers is up to 30 Mbps.
Show all download speeds
- 6.2% up to 100.0 Mbps
- 93.8% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Dorchester 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 the fastest compared to other Dorchester fixed wireless providers. T-Mobile Home Internet offers 2 different upload speeds across the city, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Dorchester 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 4.0 Mbps.
Show all upload speeds
- 6.2% up to 20.0 Mbps
- 93.8% up to 3.0 Mbps
EarthLink Fixed Wireless in Dorchester, SC
EarthLink fixed wireless coverage
About 2.95%, or 51 people, have EarthLink fixed wireless internet available to them in the city. The company covers the northwest, north, and southwest Dorchester 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 Dorchester.
EarthLink fixed wireless download speeds
EarthLink is one of the slowest when comparing download speeds to all other internet providers in Dorchester. Versus other fixed wireless providers in the area, EarthLink fixed wireless is one of the slowest. There are no different maximum speeds throughout Dorchester. The fastest plan anyone in Dorchester can order from EarthLink goes up to 25 Mbps, and all Dorchester customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In Dorchester download speeds tend to be faster than than upload speeds for EarthLink fixed wireless. Compared to other ISPs, EarthLink is one of the slowest where upload speeds are concerned, and one of the slowest compared to other Dorchester fixed wireless providers. EarthLink offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Dorchester 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 Dorchester, SC
AT&T fixed wireless coverage
About 2.95%, or 51 people, have AT&T fixed wireless internet available to them in the city. The company covers the northwest, north, and southwest Dorchester 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 Dorchester.
AT&T fixed wireless download speeds
AT&T is one of the slowest when comparing download speeds to all other internet providers in Dorchester. Versus other fixed wireless providers in the area, AT&T fixed wireless is one of the slowest. There are no different maximum speeds throughout Dorchester. The fastest plan anyone in Dorchester can order from AT&T goes up to 25 Mbps, and all Dorchester customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In Dorchester download speeds tend to be faster than than upload speeds for AT&T fixed wireless. Compared to other ISPs, AT&T is one of the slowest where upload speeds are concerned, and one of the slowest compared to other Dorchester fixed wireless providers. AT&T offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Dorchester is up to 3.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 3.0 Mbps
Dorchester Internet by Area
This information is most helpful to those looking for homes or considering moving to Dorchester or any of the areas nearby.
How does internet in Dorchester compare to the rest of South Carolina?
Internet speeds in Dorchester are much faster versus the average speeds in South Carolina: 3,075 Mbps in South Carolina versus 4,723 Mbps in the city. The state has similar internet availability compared to the city. Average internet coverage in South Carolina is 98.34% versus 100.00% in Dorchester.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around Dorchester 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 cities?
Below are cities nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Cities
- Pregnall, SC: less internet coverage, faster speeds
- Harleyville, SC: equal internet coverage, slower speeds
- Ridgeville, SC: less internet coverage, slower speeds
- Four Holes, SC: equal internet coverage, slower speeds
- Jedburg, SC: less internet coverage, slower speeds
- St. George, SC: less internet coverage, slower speeds
- Rosinville, SC: equal internet coverage, slower speeds
- Givhans, SC: less internet coverage, slower speeds
- Grover, SC: equal internet coverage, slower speeds
- Canadys, SC: equal internet coverage, slower speeds
Cities with Similar Populations
- Berlin Center, OH: less internet coverage, slower speeds
- Wardsville, MO: equal internet coverage, slower speeds
- New Harmony, IN: less internet coverage, slower speeds
- Bridgeport, NE: less internet coverage, slower speeds
- Ceredo, WV: less internet coverage, slower speeds
- Harpersville, AL: less internet coverage, slower speeds
- Coon Rapids, IA: less internet coverage, slower speeds
- North Bloomfield, OH: less internet coverage, slower speeds
- Savona, NY: less internet coverage, slower speeds
- Ruth, MI: equal internet coverage, slower speeds