Internet providers in Granite City, IL
Granite City is a city in Illinois with about 26,670 residents and roughly 13,741 residential locations that internet providers can report on. The table below compares the providers that report service here.
Compare internet providers in Granite City, IL
Share of residential locations in Granite City 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 | Spectrum | Fiber, Cable | 95% | |
| 2 | AT&T | Fiber, DSL, Fixed wireless | 90% | Check availability |
| 3 | T-Mobile Home Internet | Fixed wireless | 67% | |
| 4 | Verizon | Fiber, Fixed wireless | 30% | Check availability |
| 5 | Wisper ISP | Fixed wireless | 17% |
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 Granite City
Spectrum reports service to the most residential locations in Granite City, about 95%. 3 providers report coverage of at least half of locations (Spectrum, AT&T, and T-Mobile Home Internet), so the market looks competitive. T-Mobile Home Internet offers fixed wireless home internet, an option if you prefer no cable or fiber installation.
What technologies are available in Granite City?
Fiber is limited in Granite City, reaching about <1% of locations. Gigabit-class service (1,000 Mbps down) is reported for about 95% of locations. Fixed wireless home internet is reported for about 75% of locations.
FCC National Broadband Map, data as of December 31, 2025: share of residential locations in Granite City that providers report they can serve. City-level figures, not your address.
Granite City at a glance
About 84% of households in Granite City have a broadband subscription, 6 points below the Illinois average of 89%.
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2023).
Internet providers in places near Granite City
- Spanish Lake, MO (6 mi)
- Collinsville, IL (7 mi)
- Jennings, MO (7 mi)
- East St. Louis, IL (8 mi)
- Glen Carbon, IL (8 mi)
- Edwardsville, IL (9 mi)
- St. Louis, MO (9 mi)
- Ferguson, MO (9 mi)
- Wood River, IL (10 mi)
- Old Jamestown, MO (11 mi)
- Fairview Heights, IL (11 mi)
- Florissant, MO (12 mi)
- University City, MO (12 mi)
- Alton, IL (12 mi)
- Cahokia, IL (12 mi)
- Clayton, MO (13 mi)
- Troy, IL (13 mi)
- Overland, MO (13 mi)
- St. Ann, MO (14 mi)
- Brentwood, MO (14 mi)
Frequently asked questions
Is fiber internet available in Granite City?
Yes, in part. About 0% of residential locations in Granite City can get fiber, 95% can get cable, and about 95% can get gigabit-class speeds, per FCC data. Availability depends on your exact address.
Which internet provider has the widest coverage in Granite City?
Spectrum reports service to about 95% of residential locations in Granite City, the most of any provider, per FCC data. Availability still depends on your address.
How many internet providers serve Granite City?
5 providers report service to at least 2% of locations in Granite City, and 3 cover at least half. Satellite (HughesNet, Viasat, Starlink) is also available nearly everywhere.
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 Granite City?
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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