Internet providers in Centralia, IL
Centralia is a city in Illinois with about 12,009 residents and roughly 6,435 residential locations that internet providers can report on. The table below compares the providers that report service here.
Compare internet providers in Centralia, IL
Share of residential locations in Centralia 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 | 93% | |
| 2 | Wisper ISP | Fixed wireless | 89% | |
| 3 | T-Mobile Home Internet | Fixed wireless | 83% | |
| 4 | Verizon | Fiber, Fixed wireless | 77% | Check availability |
| 5 | Delta Communications | Fiber | 55% | |
| 6 | LTD Broadband | Fixed wireless | 44% | |
| 7 | Netwitz Internet Services | Fixed wireless | 39% | |
| 8 | AT&T | Fiber, DSL, Fixed wireless | 10% | Check availability |
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 Centralia
Spectrum reports service to the most residential locations in Centralia, about 93%. 5 providers report coverage of at least half of locations (Spectrum, Wisper ISP, T-Mobile Home Internet, Verizon, and Delta Communications), so the market looks competitive. Fiber-focused providers reporting service here include Delta Communications (55%). Wisper ISP, T-Mobile Home Internet, LTD Broadband, and Netwitz Internet Services offer fixed wireless home internet, an option if you prefer no cable or fiber installation.
What technologies are available in Centralia?
Fiber is widely available: about 55% of locations in Centralia can get it. Gigabit-class service (1,000 Mbps down) is reported for about 96% of locations. Fixed wireless home internet is reported for about 98% of locations.
FCC National Broadband Map, data as of December 31, 2025: share of residential locations in Centralia that providers report they can serve. City-level figures, not your address.
Centralia at a glance
About 84% of households in Centralia have a broadband subscription, 5 points below the Illinois average of 89%.
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2023).
Internet providers in places near Centralia
- Mount Vernon, IL (18 mi)
- Highland, IL (35 mi)
Frequently asked questions
Is fiber internet available in Centralia?
Yes, in part. About 55% of residential locations in Centralia can get fiber, 93% can get cable, and about 96% can get gigabit-class speeds, per FCC data. Availability depends on your exact address.
Which internet provider has the widest coverage in Centralia?
Spectrum reports service to about 93% of residential locations in Centralia, the most of any provider, per FCC data. Availability still depends on your address.
How many internet providers serve Centralia?
8 providers report service to at least 2% of locations in Centralia, and 5 cover at least half. Satellite (HughesNet, Viasat, Starlink) is also available nearly everywhere.
Is there fiber internet in Centralia?
Fiber providers reporting service in Centralia include Delta Communications (55% 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 Centralia?
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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