In Diamond there are 11 residential internet providers covering 99.70% of the city. The average home can get speeds up to 1,197 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.
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11 Internet Service Providers in Diamond
Satellite TV and internet are available everywhere in Diamond.
No internet provider of this type serves Diamond.
This page reflects the most recent FCC update from September 03, 2026, based on the Broadband Data Collection as of December 31, 2025.
To avoid wasting your time, providers with less than 1% coverage in Diamond are not shown.
Diamond 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
Availability maps for all providers in Diamond
Using the dropdown below, please select a provider. Green indicates nearly all homes have service, red indicates few homes have service, and blank indicates no service.
Please note some providers will take longer to load than others
Internet service is available in 99.70% of Diamond. Using our interactive availability map, you can compare service areas for different providers, we include fiber, cable, DSL, or fixed wireless internet service for all providers who offer it. You will notice that some providers might be listed multiple times for each service. If you find no providers cover the location you’re looking at, you can opt for satellite service. The most widely available provider is XFINITY. Now you can call companies in Diamond with more confidence that they might be available.
How fast are internet speeds in Diamond?
The map below shows maximum internet speeds by area in Diamond.
1000 Mbps+
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The average Diamond home can get up to 1,197 Mbps on their internet plan. For most people, the fastest download speed in the city is 1,200 Mbps, which 99.37% 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 25 Mbps. See the internet provider details below for info about their speed and coverage in Diamond.
Internet speeds tend to be faster in the southwest parts of Diamond, and slower in the northeast areas of the city.
What type of internet should I choose in Diamond?
The fastest internet for you may vary based on where in Diamond you live. If speed is your main concern, cable will be the fastest internet in the city.
- Fiber is the fastest internet type for less than 1% of Diamond homes.
- Cable is fastest for 99.37% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for less than 1%.
- Satellite internet may be the only option for less than 1% of Diamond homes.
Internet Market Health in Diamond
4+ options
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The map shows how competitive the Diamond internet service market is. Areas in green have more alternatives, areas in yellow have a few choices, and areas in red may have only one provider. More competition usually means faster speeds and better prices for you, the customer.
Below are quick facts on internet competition and market health in Diamond based on what connections the average home has availabile:
- Average number of internet service providers to a home: 7.7 (very healthy)
- Average types of service (fiber, cable, DSL, etc): 3.4 (very healthy)
- Average providers with broadband (25 Mbps+) speeds: 6.6 (very healthy)
Overall, competition is very healthy.
Diamond internet customers have the ability to buy internet service from 2 to 10 different providers, depending on where they live. For different types of service, Diamond homes have between 1 and 4 options. The type(s) of service available are fixed wireless, cable, fiber, and dsl, though these may vary depending on the region within the city.
When it comes to broadband download speeds faster than 25 Mbps, the situation is worse. Diamond internet customers who want faster speeds have between 2 and 8 choices of companies offering speeds up to or over 25 Mbps.
More internet companies with faster speeds means fewer monopolies and better prices for customers. In promoting a free market for internet, Diamond is doing quite well.
TV & Internet Providers in Depth
Below you’ll find which TV and internet providers offer service in Diamond, along with details on where in Diamond and at what speeds.
XFINITY from Comcast Cable in Diamond, IL
XFINITY cable coverage
About 99.37%, or 2,673 people, have XFINITY cable internet available to them in the city. The company covers the entire Diamond area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in most of Diamond.
XFINITY from Comcast cable download speeds
XFINITY is the fastest when comparing download speeds to all other internet providers in Diamond. Versus other cable providers in the area, XFINITY cable is the fastest. There are no different maximum speeds throughout Diamond. The fastest plan anyone in Diamond can order from XFINITY goes up to 1,200 Mbps, and all Diamond customers can get this speed.
Show all download speeds
- 100.0% up to 1,200.0 Mbps
XFINITY from Comcast cable upload speeds
In Diamond download speeds tend to be faster than than upload speeds for XFINITY cable. Compared to other ISPs, XFINITY is below average where upload speeds are concerned, and the fastest compared to other Diamond cable providers. XFINITY offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Diamond is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
SURF Internet Fiber in Diamond, IL
Surf fiber coverage
About 89.81%, or 2,416 people, have Surf fiber internet available to them in the city. The company covers the entire Diamond area. Surf is a large internet service provider internet service providers in the US, with internet service available in most of Diamond.
SURF Internet fiber download speeds
Surf is above average when comparing download speeds to all other internet providers in Diamond. Versus other fiber providers in the area, Surf fiber is the fastest. There are no different maximum speeds throughout Diamond. The fastest plan anyone in Diamond can order from Surf goes up to 1,000 Mbps, and all Diamond customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
SURF Internet fiber upload speeds
In Diamond download speeds tend to be equal to than upload speeds for Surf fiber. Compared to other ISPs, Surf is the fastest where upload speeds are concerned, and the fastest compared to other Diamond fiber providers. Surf offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Diamond is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
AT&T DSL in Diamond, IL
AT&T DSL coverage
About 52.38%, or 1,409 people, have AT&T DSL internet available to them in the city. The company covers the entire Diamond area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Diamond.
AT&T DSL download speeds
AT&T is one of the slowest when comparing download speeds to all other internet providers in Diamond. Versus other DSL providers in the area, AT&T DSL is one of the fastest. There are no different maximum speeds throughout Diamond. The fastest plan anyone in Diamond can order from AT&T goes up to 10 Mbps, and all Diamond customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
AT&T DSL upload speeds
In Diamond download speeds tend to be faster than than upload speeds for AT&T DSL. Compared to other ISPs, AT&T is one of the slowest where upload speeds are concerned, and one of the fastest compared to other Diamond DSL providers. AT&T offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Diamond is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
EarthLink DSL in Diamond, IL
EarthLink DSL coverage
About 52.38%, or 1,409 people, have EarthLink DSL internet available to them in the city. The company covers the entire Diamond area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Diamond.
EarthLink DSL download speeds
EarthLink is one of the slowest when comparing download speeds to all other internet providers in Diamond. Versus other DSL providers in the area, EarthLink DSL is one of the fastest. There are no different maximum speeds throughout Diamond. The fastest plan anyone in Diamond can order from EarthLink goes up to 10 Mbps, and all Diamond customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
EarthLink DSL upload speeds
In Diamond download speeds tend to be faster than than upload speeds for EarthLink DSL. Compared to other ISPs, EarthLink is one of the slowest where upload speeds are concerned, and one of the fastest compared to other Diamond DSL providers. EarthLink offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Diamond is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
T-Mobile Home Internet Fixed Wireless in Diamond, IL
T-Mobile Home Internet fixed wireless coverage
About 99.70%, or 2,682 people, have T-Mobile Home Internet fixed wireless internet available to them in the city. The company covers the entire Diamond area. T-Mobile Home Internet is one of the largest internet service providers internet service providers in the US, with internet service available in most of Diamond.
T-Mobile Home Internet fixed wireless download speeds
T-Mobile Home Internet is below average when comparing download speeds to all other internet providers in Diamond. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is average. There are 2 different maximum speeds throughout Diamond. The fastest plan anyone in Diamond can order from T-Mobile Home Internet goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for Diamond customers is up to 86 Mbps.
Show all download speeds
- 81.8% up to 100.0 Mbps
- 18.2% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Diamond download speeds tend to be faster than than upload speeds for T-Mobile Home Internet fixed wireless. Compared to other ISPs, T-Mobile Home Internet is below average where upload speeds are concerned, and above average compared to other Diamond fixed wireless providers. T-Mobile Home Internet offers 2 different upload speeds across the city, so your internet plan’s upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Diamond is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, T-Mobile Home Internet customers can get speeds up to 17 Mbps.
Show all upload speeds
- 81.8% up to 20.0 Mbps
- 18.2% up to 3.0 Mbps
Verizon Fixed Wireless in Diamond, IL
Verizon fixed wireless coverage
About 98.29%, or 2,644 people, have Verizon fixed wireless internet available to them in the city. The company covers the entire Diamond area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in most of Diamond.
Verizon fixed wireless download speeds
Verizon is below average when comparing download speeds to all other internet providers in Diamond. Versus other fixed wireless providers in the area, Verizon fixed wireless is the fastest. There are 2 different maximum speeds throughout Diamond. The fastest plan anyone in Diamond can order from Verizon goes up to 300 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for Diamond customers is up to 180 Mbps.
Show all download speeds
- 56.3% up to 300.0 Mbps
- 43.7% up to 25.0 Mbps
Verizon fixed wireless upload speeds
In Diamond download speeds tend to be faster than than upload speeds for Verizon fixed wireless. Compared to other ISPs, Verizon is below average where upload speeds are concerned, and above average compared to other Diamond fixed wireless providers. Verizon offers 2 different upload speeds across the city, so your internet plan’s upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Diamond is up to 20 Mbps. Some customers have slower plan choices, which only go up to 6.0 Mbps. On average, Verizon customers can get speeds up to 14 Mbps.
Show all upload speeds
- 56.3% up to 20.0 Mbps
- 43.7% up to 6.0 Mbps
Community Fiber Solutions (CFS) Fixed Wireless in Diamond, IL
Community Fiber Solutions fixed wireless coverage
About 98.22%, or 2,642 people, have Community Fiber Solutions fixed wireless internet available to them in the city. The company covers the entire Diamond area. Community Fiber Solutions is a large internet service provider internet service providers in the US, with internet service available in most of Diamond.
Community Fiber Solutions (CFS) fixed wireless download speeds
Community Fiber Solutions is below average when comparing download speeds to all other internet providers in Diamond. Versus other fixed wireless providers in the area, Community Fiber Solutions fixed wireless is above average. There are no different maximum speeds throughout Diamond. The fastest plan anyone in Diamond can order from Community Fiber Solutions goes up to 100 Mbps, and all Diamond customers can get this speed.
Show all download speeds
- 100.0% up to 100.0 Mbps
Community Fiber Solutions (CFS) fixed wireless upload speeds
In Diamond download speeds tend to be faster than than upload speeds for Community Fiber Solutions fixed wireless. Compared to other ISPs, Community Fiber Solutions is below average where upload speeds are concerned, and one of the fastest compared to other Diamond fixed wireless providers. Community Fiber Solutions offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Diamond is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
Rise Broadband Fixed Wireless in Diamond, IL
Rise Broadband fixed wireless coverage
About 59.89%, or 1,611 people, have Rise Broadband fixed wireless internet available to them in the city. The company covers the southwest, northeast, north, west, northwest, and south Diamond area. Rise Broadband is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Diamond.
Rise Broadband fixed wireless download speeds
Rise Broadband is below average when comparing download speeds to all other internet providers in Diamond. Versus other fixed wireless providers in the area, Rise Broadband fixed wireless is one of the slowest. There are no different maximum speeds throughout Diamond. The fastest plan anyone in Diamond can order from Rise Broadband goes up to 25 Mbps, and all Diamond customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
Rise Broadband fixed wireless upload speeds
In Diamond download speeds tend to be faster than than upload speeds for Rise Broadband fixed wireless. Compared to other ISPs, Rise Broadband is below average where upload speeds are concerned, and below average compared to other Diamond fixed wireless providers. Rise Broadband offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Diamond is up to 5.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 5.0 Mbps
EarthLink Fixed Wireless in Diamond, IL
EarthLink fixed wireless coverage
About 58.33%, or 1,569 people, have EarthLink fixed wireless internet available to them in the city. The company covers the entire Diamond area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Diamond.
EarthLink fixed wireless download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Diamond. Versus other fixed wireless providers in the area, EarthLink fixed wireless is one of the slowest. There are no different maximum speeds throughout Diamond. The fastest plan anyone in Diamond can order from EarthLink goes up to 25 Mbps, and all Diamond customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In Diamond download speeds tend to be faster than than upload speeds for EarthLink fixed wireless. Compared to other ISPs, EarthLink is below average where upload speeds are concerned, and one of the slowest compared to other Diamond fixed wireless providers. EarthLink offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Diamond is up to 3.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 3.0 Mbps
AT&T Fixed Wireless in Diamond, IL
AT&T fixed wireless coverage
About 58.33%, or 1,569 people, have AT&T fixed wireless internet available to them in the city. The company covers the entire Diamond area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Diamond.
AT&T fixed wireless download speeds
AT&T is below average when comparing download speeds to all other internet providers in Diamond. Versus other fixed wireless providers in the area, AT&T fixed wireless is one of the slowest. There are no different maximum speeds throughout Diamond. The fastest plan anyone in Diamond can order from AT&T goes up to 25 Mbps, and all Diamond customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In Diamond download speeds tend to be faster than than upload speeds for AT&T fixed wireless. Compared to other ISPs, AT&T is below average where upload speeds are concerned, and one of the slowest compared to other Diamond fixed wireless providers. AT&T offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Diamond is up to 3.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 3.0 Mbps
Bertram Internet Fixed Wireless in Diamond, IL
Bertram Internet fixed wireless coverage
About 1.00%, or 27 people, have Bertram Internet fixed wireless internet available to them in the city. The company covers the northeast Diamond area. Bertram Internet is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Diamond.
Bertram Internet fixed wireless download speeds
Bertram Internet is below average when comparing download speeds to all other internet providers in Diamond. Versus other fixed wireless providers in the area, Bertram Internet fixed wireless is above average. There are no different maximum speeds throughout Diamond. The fastest plan anyone in Diamond can order from Bertram Internet goes up to 100 Mbps, and all Diamond customers can get this speed.
Show all download speeds
- 100.0% up to 100.0 Mbps
Bertram Internet fixed wireless upload speeds
In Diamond download speeds tend to be faster than than upload speeds for Bertram Internet fixed wireless. Compared to other ISPs, Bertram Internet is below average where upload speeds are concerned, and one of the fastest compared to other Diamond fixed wireless providers. Bertram Internet offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Diamond is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
Diamond Internet by Area
This information is most helpful to those looking for homes or considering moving to Diamond or any of the areas nearby.
How does internet in Diamond compare to the rest of Illinois?
Internet speeds in Diamond are slower versus the average speeds in Illinois: 3,187 Mbps in Illinois versus 1,197 Mbps in the city. The state has similar internet availability compared to the city. Average internet coverage in Illinois is 99.04% versus 99.70% in Diamond.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around Diamond are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does internet service look like in other cities?
Below are cities nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Cities
- Eileen, IL: more internet coverage, slower speeds
- Coal City, IL: less internet coverage, faster speeds
- Braidwood, IL: more internet coverage, faster speeds
- Carbon Hill, IL: more internet coverage, faster speeds
- Godley, IL: more internet coverage, faster speeds
- Braceville, IL: less internet coverage, slower speeds
- Lakewood Shores, IL: more internet coverage, slower speeds
- Lorenzo, IL: less internet coverage, slower speeds
- Wilmington, IL: more internet coverage, faster speeds
- Gardner, IL: less internet coverage, faster speeds
Cities with Similar Populations
- Crown City, OH: less internet coverage, slower speeds
- Augusta, WI: less internet coverage, slower speeds
- Lake Peekskill, NY: more internet coverage, faster speeds
- Roper, NC: less internet coverage, faster speeds
- St. Germain, WI: more internet coverage, slower speeds
- Galva, IL: more internet coverage, slower speeds
- Fredonia, KS: less internet coverage, faster speeds
- Fraser, CO: less internet coverage, faster speeds
- Union Point, GA: more internet coverage, slower speeds
- Estancia, NM: less internet coverage, slower speeds