In Irmo there are 5 residential Fiber providers covering 92.98% of the city. The average home can get speeds up to 4,611 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.
This page contains all Fiber internet providers in Irmo, SC.
To see availability maps for all providers including fiber, cable, DSL, and more in Irmo, SC please click below.
Fiber 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
Where in Irmo is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 92.98% of Irmo. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is AT&T. Call one of the companies with service in Irmo above to see who has service at your home.
How fast is fiber internet in Irmo?
The map below shows maximum fiber internet speeds by area in Irmo.
Fiber Internet Speed Key
The average Irmo home can get up to 4,611 Mbps on their fiber internet plan. The fastest fiber 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, 16.52% 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 Irmo.
Fiber internet speeds tend to be faster in the northwest parts of Irmo, and slower in the northeast areas of the city.
Is fiber the fastest internet I can get in Irmo?
The fastest internet for you may vary based on where in Irmo you live. In general, cable competes most often with fiber 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.
Fiber 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.
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
Irmo Fiber 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 fiber internet in Irmo compare to the rest of South Carolina?
Fiber internet speeds in Irmo are much faster versus the average speeds in South Carolina: 0.00 Mbps in South Carolina versus 4,611 Mbps in the city. The state has similar fiber availability compared to the city. Average fiber coverage in South Carolina is 0.00% versus 92.98% in Irmo.
What zip codes have fiber internet?
Fiber 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 fiber internet 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 fiber coverage, faster speeds
- Lake Murray of Richland, SC: less fiber coverage, faster speeds
- White Rock, SC: less fiber coverage, faster speeds
- Seven Oaks, SC: less fiber coverage, slower speeds
- Richtex, SC: less fiber coverage, slower speeds
- St. Andrews, SC: less fiber coverage, slower speeds
- Chapin, SC: less fiber coverage, slower speeds
- Peak, SC: more fiber coverage, slower speeds
- Rion, SC: more fiber coverage, faster speeds
- Little Mountain, SC: less fiber coverage, slower speeds
Cities with Similar Populations
- Wildomar, CA: more fiber coverage, faster speeds
- Moca, PR: more fiber coverage, slower speeds
- Palmetto, FL: less fiber coverage, faster speeds
- Okeechobee, FL: less fiber coverage, slower speeds
- Oildale, CA: less fiber coverage, slower speeds
- Odenton, MD: more fiber coverage, slower speeds
- Oakville, MO: more fiber coverage, faster speeds
- Oak Creek, WI: less fiber coverage, slower speeds
- Newhall, CA: less fiber coverage, slower speeds
- Newburgh, IN: less fiber coverage, slower speeds