In Grundy County there are 3 residential Fiber providers covering 19.89% of the county. The average home can get speeds up to 1,208 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 Grundy County, IL.
To see availability maps for all providers including fiber, cable, DSL, and more in Grundy County, IL please click below.
Grundy County, IL Availability Maps
Fiber Internet Service Providers in Grundy County
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 Grundy County are not shown.
Grundy County 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 Grundy County is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 19.89% of Grundy County. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is Surf. Call one of the companies with service in Grundy County above to see who has service at your home.
How fast is fiber internet in Grundy County?
The map below shows maximum fiber internet speeds by area in Grundy County.
Fiber Internet Speed Key
The average Grundy County home can get up to 1,208 Mbps on their fiber internet plan. The fastest fiber download speed in the county is 5,000 Mbps, which 1.05% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, less than 1% of homes can only purchase plans up to 250 Mbps. See the internet provider details below for info about their speed and coverage in Grundy County.
Fiber internet speeds tend to be faster in the northeast parts of Grundy County, and slower in the central areas of the county.
Is fiber the fastest internet I can get in Grundy County?
The fastest internet for you may vary based on where in Grundy County you live. In general, cable competes most often with fiber in the county.
- Fiber is the fastest internet type for 1.45% of Grundy County homes.
- Cable is fastest for 87.92% of the county.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 10.13%.
- Satellite internet may be the only option for less than 1% of Grundy County homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Grundy County, along with details on where in Grundy County and at what speeds.
SURF Internet Fiber in Grundy County, IL
Surf fiber coverage
About 15.63%, or 8,210 people, have Surf fiber internet available to them in the county. The company covers the east, central, and southeast Grundy County area. Surf is a large internet service provider internet service providers in the US, with internet service available in a small portion of Grundy County.
SURF Internet fiber download speeds
Surf is above average when comparing download speeds to all other internet providers in Grundy County. Versus other fiber providers in the area, Surf fiber is the slowest. There are 3 different maximum speeds throughout Grundy County. The fastest plan anyone in Grundy County can order from Surf goes up to 2,000 Mbps, the slowest package only goes up to 250 Mbps, and the county-wide average maximum speed for Grundy County customers is up to 995 Mbps.
Show all download speeds
- 0.9% up to 2,000.0 Mbps
- 97.1% up to 1,000.0 Mbps
- 1.9% up to 250.0 Mbps
SURF Internet fiber upload speeds
In Grundy County download speeds tend to be equal to than upload speeds for Surf fiber. Compared to other ISPs, Surf is above average where upload speeds are concerned, and the slowest compared to other Grundy County fiber providers. Surf offers 3 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Grundy County is up to 2,000 Mbps. Some customers have slower plan choices, which only go up to 250 Mbps. On average, Surf customers can get speeds up to 995 Mbps.
Show all upload speeds
- 0.9% up to 2,000.0 Mbps
- 97.1% up to 1,000.0 Mbps
- 1.9% up to 250.0 Mbps
EarthLink Fiber in Grundy County, IL
EarthLink fiber coverage
About 4.32%, or 2,270 people, have EarthLink fiber internet available to them in the county. The company covers the northeast and east Grundy County area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Grundy County.
EarthLink fiber download speeds
EarthLink is above average when comparing download speeds to all other internet providers in Grundy County. Versus other fiber providers in the area, EarthLink fiber is one of the fastest. There are 2 different maximum speeds throughout Grundy County. The fastest plan anyone in Grundy County can order from EarthLink goes up to 5,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the county-wide average maximum speed for Grundy County customers is up to 1,976 Mbps.
Show all download speeds
- 24.4% up to 5,000.0 Mbps
- 75.6% up to 1,000.0 Mbps
EarthLink fiber upload speeds
In Grundy County download speeds tend to be equal to than upload speeds for EarthLink fiber. Compared to other ISPs, EarthLink is one of the fastest where upload speeds are concerned, and one of the fastest compared to other Grundy County fiber providers. EarthLink offers 2 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Grundy County 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 1,976 Mbps.
Show all upload speeds
- 24.4% up to 5,000.0 Mbps
- 75.6% up to 1,000.0 Mbps
AT&T Fiber in Grundy County, IL
AT&T fiber coverage
About 4.32%, or 2,270 people, have AT&T fiber internet available to them in the county. The company covers the northeast and east Grundy County area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Grundy County.
AT&T fiber download speeds
AT&T is above average when comparing download speeds to all other internet providers in Grundy County. Versus other fiber providers in the area, AT&T fiber is one of the fastest. There are 2 different maximum speeds throughout Grundy County. The fastest plan anyone in Grundy County can order from AT&T goes up to 5,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the county-wide average maximum speed for Grundy County customers is up to 1,976 Mbps.
Show all download speeds
- 24.4% up to 5,000.0 Mbps
- 75.6% up to 1,000.0 Mbps
AT&T fiber upload speeds
In Grundy County download speeds tend to be equal to than upload speeds for AT&T fiber. Compared to other ISPs, AT&T is one of the fastest where upload speeds are concerned, and one of the fastest compared to other Grundy County fiber providers. AT&T offers 2 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Grundy County 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 1,976 Mbps.
Show all upload speeds
- 24.4% up to 5,000.0 Mbps
- 75.6% up to 1,000.0 Mbps
Grundy County Fiber by Area
This information is most helpful to those looking for homes or considering moving to Grundy County or any of the areas nearby.
How does fiber internet in Grundy County compare to the rest of Illinois?
Fiber internet speeds in Grundy County are much faster versus the average speeds in Illinois: 0.00 Mbps in Illinois versus 1,208 Mbps in the county. The state has similar fiber availability compared to the county. Average fiber coverage in Illinois is 0.00% versus 19.89% in Grundy County.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Grundy County 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 counties?
Below are counties nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Counties
- LaSalle County, IL: more fiber coverage, faster speeds
- Putnam County, IL: more fiber coverage, faster speeds
- Bureau County, IL: more fiber coverage, faster speeds
- Starke County, IN: more fiber coverage, faster speeds
- Henry County, IL: more fiber coverage, faster speeds
- Marshall County, IN: more fiber coverage, faster speeds
- Rock Island County, IL: more fiber coverage, faster speeds
- Mercer County, IL: more fiber coverage, faster speeds
- Kosciusko County, IN: more fiber coverage, faster speeds
- Muscatine County, IA: more fiber coverage, faster speeds
Counties with Similar Populations
- Hawkins County, TN: more fiber coverage, slower speeds
- Edgecombe County, NC: more fiber coverage, faster speeds
- Elko County, NV: more fiber coverage, faster speeds
- Fremont County, CO: more fiber coverage, faster speeds
- Garfield County, CO: more fiber coverage, slower speeds
- Genesee County, NY: more fiber coverage, slower speeds
- Granville County, NC: more fiber coverage, faster speeds
- Hardin County, TX: more fiber coverage, faster speeds
- Harrisonburg City, VA: more fiber coverage, faster speeds
- Eddy County, NM: more fiber coverage, faster speeds