In Irmo there are 9 residential internet providers covering 99.72% of the city. The average home can get speeds up to 4,365 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 Irmo
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 Irmo are not shown.
Irmo 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 Irmo
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 99.72% of Irmo. 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 AT&T. Now you can call companies in Irmo with more confidence that they might be available.
How fast are internet speeds in Irmo?
The map below shows maximum internet speeds by area in Irmo.
Internet Speed Key
The average Irmo home can get up to 4,365 Mbps on their internet plan. For most people, the fastest download speed in the city is 8,000 Mbps, which 9.97% 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 75 Mbps. See the internet provider details below for info about their speed and coverage in Irmo.
Internet speeds tend to be faster in the northwest parts of Irmo, and slower in the northeast areas of the city.
What type of internet should I choose in Irmo?
The fastest internet for you may vary based on where in Irmo you live. If speed is your main concern, fiber will be the fastest internet in the city.
- Fiber is the fastest internet type for 92.98% of Irmo homes.
- Cable is fastest for 6.44% 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 Irmo homes.
Internet Market Health in Irmo
Internet Competition Key
The map shows how competitive the Irmo 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 Irmo based on what connections the average home has availabile:
- Average number of internet service providers to a home: 8.8 (very healthy)
- Average types of service (fiber, cable, DSL, etc): 3.8 (very healthy)
- Average providers with broadband (25 Mbps+) speeds: 8.6 (very healthy)
Overall, competition is very healthy.
Irmo internet customers have the ability to buy internet service from 2 to 11 different providers, depending on where they live. For different types of service, Irmo homes have between 1 and 4 options. The type(s) of service available are fixed wireless, cable, fiber, and dsl, 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 worse. Irmo internet customers who want faster speeds have between 2 and 11 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, Irmo is doing quite well.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in Irmo, along with details on where in Irmo and at what speeds.
Spectrum Cable in Irmo, SC
Spectrum cable coverage
About 98.57%, or 36,021 people, have Spectrum cable internet available to them in the city. The company covers the entire Irmo area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in most of Irmo.
Spectrum cable download speeds
Spectrum is below average when comparing download speeds to all other internet providers in Irmo. Versus other cable providers in the area, Spectrum cable is the fastest. There are no different maximum speeds throughout Irmo. The fastest plan anyone in Irmo can order from Spectrum goes up to 1,000 Mbps, and all Irmo customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum cable upload speeds
In Irmo 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 Irmo cable providers. Spectrum offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Irmo is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
AT&T DSL in Irmo, SC
AT&T DSL coverage
About 92.05%, or 33,637 people, have AT&T DSL internet available to them in the city. The company covers the entire Irmo area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in most of Irmo.
AT&T DSL download speeds
AT&T is below average when comparing download speeds to all other internet providers in Irmo. Versus other DSL providers in the area, AT&T DSL is one of the fastest. There are 5 different maximum speeds throughout Irmo. The fastest plan anyone in Irmo can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Irmo customers is up to 67 Mbps.
Show all download speeds
- 45.7% up to 100.0 Mbps
- 10.4% up to 75.0 Mbps
- 17.7% up to 50.0 Mbps
- 11.8% up to 25.0 Mbps
- 14.6% up to 10.0 Mbps
AT&T DSL upload speeds
In Irmo download speeds tend to be faster than than upload speeds for AT&T DSL. Compared to other ISPs, AT&T is below average where upload speeds are concerned, and one of the fastest compared to other Irmo DSL providers. AT&T offers 4 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 Irmo is up to 20 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, AT&T customers can get speeds up to 14 Mbps.
Show all upload speeds
- 56.0% up to 20.0 Mbps
- 17.7% up to 10.0 Mbps
- 11.8% up to 5.0 Mbps
- 14.6% up to 1.0 Mbps
EarthLink DSL in Irmo, SC
EarthLink DSL coverage
About 92.05%, or 33,637 people, have EarthLink DSL internet available to them in the city. The company covers the entire Irmo area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in most of Irmo.
EarthLink DSL download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Irmo. Versus other DSL providers in the area, EarthLink DSL is one of the fastest. There are 5 different maximum speeds throughout Irmo. The fastest plan anyone in Irmo can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Irmo customers is up to 67 Mbps.
Show all download speeds
- 45.7% up to 100.0 Mbps
- 10.4% up to 75.0 Mbps
- 17.7% up to 50.0 Mbps
- 11.8% up to 25.0 Mbps
- 14.6% up to 10.0 Mbps
EarthLink DSL upload speeds
In Irmo download speeds tend to be faster than than upload speeds for EarthLink DSL. Compared to other ISPs, EarthLink is below average where upload speeds are concerned, and one of the fastest compared to other Irmo DSL providers. EarthLink offers 4 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 Irmo is up to 20 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, EarthLink customers can get speeds up to 14 Mbps.
Show all upload speeds
- 56.0% up to 20.0 Mbps
- 17.7% up to 10.0 Mbps
- 11.8% up to 5.0 Mbps
- 14.6% up to 1.0 Mbps
EarthLink Fiber in Irmo, SC
EarthLink fiber coverage
About 75.32%, or 27,524 people, have EarthLink fiber internet available to them in the city. The company covers the entire Irmo area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in much of Irmo.
EarthLink fiber download speeds
EarthLink is above average when comparing download speeds to all other internet providers in Irmo. Versus other fiber providers in the area, EarthLink fiber is above average. There are 2 different maximum speeds throughout Irmo. The fastest plan anyone in Irmo can order from EarthLink goes up to 5,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the city-wide average maximum speed for Irmo customers is up to 4,669 Mbps.
Show all download speeds
- 91.7% up to 5,000.0 Mbps
- 8.3% up to 1,000.0 Mbps
EarthLink fiber upload speeds
In Irmo download speeds tend to be equal to than upload speeds for EarthLink fiber. Compared to other ISPs, EarthLink is above average where upload speeds are concerned, and above average compared to other Irmo fiber providers. EarthLink 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 Irmo is up to 5,000 Mbps. Some customers have slower plan choices, which only go up to 1,000 Mbps. On average, EarthLink customers can get speeds up to 4,669 Mbps.
Show all upload speeds
- 91.7% up to 5,000.0 Mbps
- 8.3% up to 1,000.0 Mbps
AT&T Fiber in Irmo, SC
AT&T fiber coverage
About 75.32%, or 27,524 people, have AT&T fiber internet available to them in the city. The company covers the entire Irmo area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in much of Irmo.
AT&T fiber download speeds
AT&T is above average when comparing download speeds to all other internet providers in Irmo. Versus other fiber providers in the area, AT&T fiber is above average. There are 2 different maximum speeds throughout Irmo. The fastest plan anyone in Irmo can order from AT&T goes up to 5,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the city-wide average maximum speed for Irmo customers is up to 4,669 Mbps.
Show all download speeds
- 91.7% up to 5,000.0 Mbps
- 8.3% up to 1,000.0 Mbps
AT&T fiber upload speeds
In Irmo download speeds tend to be equal to than upload speeds for AT&T fiber. Compared to other ISPs, AT&T is above average where upload speeds are concerned, and above average compared to other Irmo fiber providers. AT&T 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 Irmo is up to 5,000 Mbps. Some customers have slower plan choices, which only go up to 1,000 Mbps. On average, AT&T customers can get speeds up to 4,669 Mbps.
Show all upload speeds
- 91.7% up to 5,000.0 Mbps
- 8.3% up to 1,000.0 Mbps
CarolinaConnect Fiber in Irmo, SC
CarolinaConnect fiber coverage
About 69.62%, or 25,442 people, have CarolinaConnect fiber internet available to them in the city. The company covers the northwest, central, east, northeast, north, west, south, and southeast Irmo area. CarolinaConnect is a large internet service provider internet service providers in the US, with internet service available in much of Irmo.
CarolinaConnect fiber download speeds
CarolinaConnect is above average when comparing download speeds to all other internet providers in Irmo. Versus other fiber providers in the area, CarolinaConnect fiber is below average. There are 2 different maximum speeds throughout Irmo. The fastest plan anyone in Irmo can order from CarolinaConnect goes up to 8,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the city-wide average maximum speed for Irmo customers is up to 2,002 Mbps.
Show all download speeds
- 14.3% up to 8,000.0 Mbps
- 85.7% up to 1,000.0 Mbps
CarolinaConnect fiber upload speeds
In Irmo download speeds tend to be equal to than upload speeds for CarolinaConnect fiber. Compared to other ISPs, CarolinaConnect is above average where upload speeds are concerned, and below average compared to other Irmo fiber providers. CarolinaConnect 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 Irmo is up to 8,000 Mbps. Some customers have slower plan choices, which only go up to 1,000 Mbps. On average, CarolinaConnect customers can get speeds up to 2,002 Mbps.
Show all upload speeds
- 14.3% up to 8,000.0 Mbps
- 85.7% up to 1,000.0 Mbps
Lumos Networks Fiber in Irmo, SC
Lumos Networks fiber coverage
About 11.85%, or 4,329 people, have Lumos Networks fiber internet available to them in the city. The company covers the south, southeast, and southwest Irmo area. Lumos Networks is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Irmo.
Lumos Networks fiber download speeds
Lumos Networks is the fastest when comparing download speeds to all other internet providers in Irmo. Versus other fiber providers in the area, Lumos Networks fiber is the fastest. There are no different maximum speeds throughout Irmo. The fastest plan anyone in Irmo can order from Lumos Networks goes up to 5,000 Mbps, and all Irmo customers can get this speed.
Show all download speeds
- 100.0% up to 5,000.0 Mbps
Lumos Networks fiber upload speeds
In Irmo download speeds tend to be equal to than upload speeds for Lumos Networks fiber. Compared to other ISPs, Lumos Networks is the fastest where upload speeds are concerned, and the fastest compared to other Irmo fiber providers. Lumos Networks offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Irmo 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 Irmo, SC
Spectrum fiber coverage
About 7.57%, or 2,765 people, have Spectrum fiber internet available to them in the city. The company covers the northwest, north, and northeast Irmo 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 Irmo.
Spectrum fiber download speeds
Spectrum is below average when comparing download speeds to all other internet providers in Irmo. Versus other fiber providers in the area, Spectrum fiber is the slowest. There are no different maximum speeds throughout Irmo. The fastest plan anyone in Irmo can order from Spectrum goes up to 1,000 Mbps, and all Irmo customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum fiber upload speeds
In Irmo 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 Irmo fiber providers. Spectrum 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 Irmo 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 371 Mbps.
Show all upload speeds
- 72.2% up to 500.0 Mbps
- 27.8% up to 35.0 Mbps
T-Mobile Home Internet Fixed Wireless in Irmo, SC
T-Mobile Home Internet fixed wireless coverage
About 99.06%, or 36,199 people, have T-Mobile Home Internet fixed wireless internet available to them in the city. The company covers the entire Irmo area. T-Mobile Home Internet is one of the largest internet service providers internet service providers in the US, with internet service available in most of Irmo.
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 Irmo. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is below average. There are 2 different maximum speeds throughout Irmo. The fastest plan anyone in Irmo 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 Irmo customers is up to 81 Mbps.
Show all download speeds
- 75.2% up to 100.0 Mbps
- 24.8% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Irmo 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 above average compared to other Irmo 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 Irmo 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 16 Mbps.
Show all upload speeds
- 75.2% up to 20.0 Mbps
- 24.8% up to 3.0 Mbps
Verizon Fixed Wireless in Irmo, SC
Verizon fixed wireless coverage
About 89.56%, or 32,729 people, have Verizon fixed wireless internet available to them in the city. The company covers the entire Irmo area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in most of Irmo.
Verizon fixed wireless download speeds
Verizon is below average when comparing download speeds to all other internet providers in Irmo. Versus other fixed wireless providers in the area, Verizon fixed wireless is the fastest. There are no different maximum speeds throughout Irmo. The fastest plan anyone in Irmo can order from Verizon goes up to 300 Mbps, and all Irmo customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In Irmo 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 Irmo fixed wireless providers. Verizon offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Irmo 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 Irmo, SC
EarthLink fixed wireless coverage
About 84.46%, or 30,863 people, have EarthLink fixed wireless internet available to them in the city. The company covers the entire Irmo area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in much of Irmo.
EarthLink fixed wireless download speeds
EarthLink is one of the slowest when comparing download speeds to all other internet providers in Irmo. Versus other fixed wireless providers in the area, EarthLink fixed wireless is one of the slowest. There are 2 different maximum speeds throughout Irmo. The fastest plan anyone in Irmo can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for Irmo customers is up to 32 Mbps.
Show all download speeds
- 9.1% up to 100.0 Mbps
- 90.9% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In Irmo 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 Irmo fixed wireless providers. EarthLink 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 Irmo is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, EarthLink customers can get speeds up to 4.5 Mbps.
Show all upload speeds
- 9.1% up to 20.0 Mbps
- 90.9% up to 3.0 Mbps
AT&T Fixed Wireless in Irmo, SC
AT&T fixed wireless coverage
About 84.46%, or 30,863 people, have AT&T fixed wireless internet available to them in the city. The company covers the entire Irmo area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in much of Irmo.
AT&T fixed wireless download speeds
AT&T is one of the slowest when comparing download speeds to all other internet providers in Irmo. Versus other fixed wireless providers in the area, AT&T fixed wireless is one of the slowest. There are 2 different maximum speeds throughout Irmo. The fastest plan anyone in Irmo can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for Irmo customers is up to 32 Mbps.
Show all download speeds
- 9.1% up to 100.0 Mbps
- 90.9% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In Irmo 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 Irmo fixed wireless providers. AT&T 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 Irmo is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, AT&T customers can get speeds up to 4.5 Mbps.
Show all upload speeds
- 9.1% up to 20.0 Mbps
- 90.9% up to 3.0 Mbps
Irmo Internet by Area
This information is most helpful to those looking for homes or considering moving to Irmo or any of the areas nearby.
How does internet in Irmo compare to the rest of South Carolina?
Internet speeds in Irmo are much faster versus the average speeds in South Carolina: 3,075 Mbps in South Carolina versus 4,365 Mbps in the city. The state has similar internet availability compared to the city. Average internet coverage in South Carolina is 98.34% versus 99.72% in Irmo.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around Irmo 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
- Ballentine, SC: more internet coverage, faster speeds
- Lake Murray of Richland, SC: more internet coverage, slower speeds
- White Rock, SC: more internet coverage, faster speeds
- Seven Oaks, SC: more internet coverage, slower speeds
- Richtex, SC: less internet coverage, slower speeds
- St. Andrews, SC: more internet coverage, slower speeds
- Chapin, SC: more internet coverage, slower speeds
- Peak, SC: less internet coverage, slower speeds
- Hollywood Hills, SC: more internet coverage, slower speeds
- Rion, SC: more internet coverage, faster speeds
Cities with Similar Populations
- Wildomar, CA: more internet coverage, faster speeds
- Moca, PR: more internet coverage, slower speeds
- Palmetto, FL: less internet coverage, faster speeds
- Okeechobee, FL: less internet coverage, slower speeds
- Oildale, CA: more internet coverage, slower speeds
- Odenton, MD: more internet coverage, slower speeds
- Oakville, MO: more internet coverage, faster speeds
- Oak Creek, WI: more internet coverage, slower speeds
- Newhall, CA: less internet coverage, slower speeds
- Newburgh, IN: more internet coverage, slower speeds