Internet providers in Irmo, SC
Irmo is a town in South Carolina with about 11,799 residents and roughly 5,956 residential locations that internet providers can report on. The table below compares the providers that report service here.
Compare internet providers in Irmo, SC
Share of residential locations in Irmo where each provider reports service, from the FCC National Broadband Map (data as of December 31, 2025). Availability depends on your exact address.
| # | Provider | Technology (varies by address) | Locations covered | |
|---|---|---|---|---|
| 1 | AT&T | Fiber, DSL, Fixed wireless | 97% | Check availability |
| 2 | Spectrum | Fiber, Cable | 92% | |
| 3 | Verizon | Fiber, Fixed wireless | 89% | Check availability |
| 4 | T-Mobile Home Internet | Fixed wireless | 87% | |
| 5 | CarolinaConnect Cooperative | Fiber | 44% |
Satellite internet
| 1 | HughesNet | Satellite | 99%+ | |
| 2 | Viasat | Satellite | 99%+ | |
| 3 | Starlink | Satellite | 99%+ |
Satellite service is available at nearly every address but typically has higher latency than wired options.
Provider-reported coverage does not guarantee service or speeds at a specific address. Some "Check availability" links are affiliate links; we may earn a commission at no cost to you. How we make money.
What to know about internet in Irmo
AT&T reports service to the most residential locations in Irmo, about 97%. 4 providers report coverage of at least half of locations (AT&T, Spectrum, Verizon, and T-Mobile Home Internet), so the market looks competitive. Fiber-focused providers reporting service here include CarolinaConnect Cooperative (44%). T-Mobile Home Internet offers fixed wireless home internet, an option if you prefer no cable or fiber installation.
What technologies are available in Irmo?
Fiber is widely available: about 88% of locations in Irmo can get it. Gigabit-class service (1,000 Mbps down) is reported for about 89% of locations. DSL is still reported for about 42% of locations, which can be a fallback where fiber and cable do not reach. Fixed wireless home internet is reported for about 97% of locations.
FCC National Broadband Map, data as of December 31, 2025: share of residential locations in Irmo that providers report they can serve. City-level figures, not your address.
Irmo at a glance
About 94% of households in Irmo have a broadband subscription, 7 points above the South Carolina average of 87%.
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2023).
Internet providers in places near Irmo
- Seven Oaks, SC (5 mi)
- St. Andrews, SC (6 mi)
- Lexington, SC (8 mi)
- Oak Grove, SC (9 mi)
- West Columbia, SC (9 mi)
- Red Bank, SC (12 mi)
- Forest Acres, SC (14 mi)
- Cayce, SC (14 mi)
- Dentsville, SC (14 mi)
- Columbia, SC (17 mi)
- Camden, SC (35 mi)
Frequently asked questions
Is fiber internet available in Irmo?
Yes, in part. About 88% of residential locations in Irmo can get fiber, 92% can get cable, and about 89% can get gigabit-class speeds, per FCC data. Availability depends on your exact address.
Which internet provider has the widest coverage in Irmo?
AT&T reports service to about 97% of residential locations in Irmo, the most of any provider, per FCC data. Availability still depends on your address.
How many internet providers serve Irmo?
5 providers report service to at least 2% of locations in Irmo, and 4 cover at least half. Satellite (HughesNet, Viasat, Starlink) is also available nearly everywhere.
Is there fiber internet in Irmo?
Fiber providers reporting service in Irmo include CarolinaConnect Cooperative (44% of locations). Other providers may also offer fiber in parts of the city, so check your address.
What is the difference between fiber, cable and DSL?
Fiber offers the fastest and most consistent speeds, cable is widely available with high download speeds, and DSL runs over phone lines and is usually slower. See our guide for details.
What internet speed do I need in Irmo?
Most households are well served by 100–300 Mbps. Heavy streaming, gaming or many connected devices may benefit from 500 Mbps or more.
Check your exact address
Coverage for a whole community cannot tell you what is available at your door. Enter your ZIP code, then confirm with each provider.
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