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.

#ProviderTechnology (varies by address)Locations covered
1SpectrumFiber, Cable
95%
2AT&TFiber, DSL, Fixed wireless
90%
Check availability
3T-Mobile Home InternetFixed wireless
67%
4VerizonFiber, Fixed wireless
30%
Check availability
5Wisper ISPFixed wireless
17%

Satellite internet

1HughesNetSatellite
99%+
2ViasatSatellite
99%+
3StarlinkSatellite
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?

<1%
of locations can get fiber
95%
can get cable
21%
can get DSL
75%
can get fixed wireless
99%+
can get 100+ Mbps
95%
can get gigabit

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

26,670residents
11,316households
$60,490median household income
84%households with broadband
12%have no internet
40median age

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

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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