In Diamond there are 12 residential internet providers covering 99.04% of the city. The average home can get speeds up to 932 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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12 Internet Service Providers in Diamond
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 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 99.04% 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 GTC Broadband. 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.
Internet Speed Key
The average Diamond home can get up to 932 Mbps on their internet plan. For most people, the fastest download speed in the city is 1,000 Mbps, which 90.58% 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 10 Mbps. See the internet provider details below for info about their speed and coverage in Diamond.
Internet speeds tend to be faster in the central parts of Diamond, and slower in the southwest 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, fiber will be the fastest internet in the city.
- Fiber is the fastest internet type for 90.58% of Diamond homes.
- Cable is fastest for less than 1% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 8.46%.
- Satellite internet may be the only option for less than 1% of Diamond homes.
Internet Market Health in Diamond
Internet Competition Key
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: 5.2 (healthy)
- Average types of service (fiber, cable, DSL, etc): 2.3 (unhealthy)
- Average providers with broadband (25 Mbps+) speeds: 4.3 (healthy)
Overall, competition is healthy.
Diamond internet customers have the ability to buy internet service from 1 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, fiber, cable, 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 0 and 7 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 better than most.
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.
GTC Broadband Fiber in Diamond, MO
GTC Broadband fiber coverage
About 90.58%, or 2,174 people, have GTC Broadband fiber internet available to them in the city. The company covers the entire Diamond area. GTC Broadband is a small internet service provider internet service providers in the US, with internet service available in most of Diamond.
GTC Broadband fiber download speeds
GTC Broadband is one of the fastest when comparing download speeds to all other internet providers in Diamond. Versus other fiber providers in the area, GTC Broadband fiber is the fastest. There are no different maximum speeds throughout Diamond. The fastest plan anyone in Diamond can order from GTC Broadband 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
GTC Broadband fiber upload speeds
In Diamond download speeds tend to be equal to than upload speeds for GTC Broadband fiber. Compared to other ISPs, GTC Broadband is the fastest where upload speeds are concerned, and the fastest compared to other Diamond fiber providers. GTC Broadband 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
Mediacom Cable in Diamond, MO
Mediacom cable coverage
About 40.21%, or 965 people, have Mediacom cable internet available to them in the city. The company covers the entire Diamond area. Mediacom is one of the largest internet service providers internet service providers in the US, with internet service available in some of Diamond.
Mediacom cable download speeds
Mediacom is one of the fastest when comparing download speeds to all other internet providers in Diamond. Versus other cable providers in the area, Mediacom cable is the fastest. There are no different maximum speeds throughout Diamond. The fastest plan anyone in Diamond can order from Mediacom 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
Mediacom cable upload speeds
In Diamond download speeds tend to be faster than than upload speeds for Mediacom cable. Compared to other ISPs, Mediacom is below average where upload speeds are concerned, and the fastest compared to other Diamond cable providers. Mediacom offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Diamond is up to 50 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 50.0 Mbps
AT&T DSL in Diamond, MO
AT&T DSL coverage
About 1.75%, or 42 people, have AT&T DSL internet available to them in the city. The company covers the southeast and south Diamond 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 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, MO
EarthLink DSL coverage
About 1.75%, or 42 people, have EarthLink DSL internet available to them in the city. The company covers the southeast and south Diamond 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 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
Optimum Cable in Diamond, MO
Optimum cable coverage
About 1.21%, or 29 people, have Optimum cable internet available to them in the city. The company covers the south and southeast Diamond area. Optimum is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Diamond.
Optimum cable download speeds
Optimum is above average when comparing download speeds to all other internet providers in Diamond. Versus other cable providers in the area, Optimum cable is the slowest. There are no different maximum speeds throughout Diamond. The fastest plan anyone in Diamond can order from Optimum goes up to 500 Mbps, and all Diamond customers can get this speed.
Show all download speeds
- 100.0% up to 500.0 Mbps
Optimum cable upload speeds
In Diamond download speeds tend to be faster than than upload speeds for Optimum cable. Compared to other ISPs, Optimum is below average where upload speeds are concerned, and the slowest compared to other Diamond cable providers. Optimum 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
US Cellular Fixed Wireless in Diamond, MO
US Cellular fixed wireless coverage
About 96.71%, or 2,321 people, have US Cellular fixed wireless internet available to them in the city. The company covers the entire Diamond area. US Cellular is one of the largest internet service providers internet service providers in the US, with internet service available in most of Diamond.
US Cellular fixed wireless download speeds
US Cellular is below average when comparing download speeds to all other internet providers in Diamond. Versus other fixed wireless providers in the area, US Cellular fixed wireless is the slowest. There are 2 different maximum speeds throughout Diamond. The fastest plan anyone in Diamond can order from US Cellular goes up to 25 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Diamond customers is up to 11 Mbps.
Show all download speeds
- 5.0% up to 25.0 Mbps
- 95.0% up to 10.0 Mbps
US Cellular fixed wireless upload speeds
In Diamond download speeds tend to be faster than than upload speeds for US Cellular fixed wireless. Compared to other ISPs, US Cellular is below average where upload speeds are concerned, and the slowest compared to other Diamond fixed wireless providers. US Cellular 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 3.0 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, US Cellular customers can get speeds up to 1.1 Mbps.
Show all upload speeds
- 5.0% up to 3.0 Mbps
- 95.0% up to 1.0 Mbps
Wisper Internet Fixed Wireless in Diamond, MO
Wisper Internet fixed wireless coverage
About 94.63%, or 2,271 people, have Wisper Internet fixed wireless internet available to them in the city. The company covers the entire Diamond area. Wisper Internet is a large internet service provider internet service providers in the US, with internet service available in most of Diamond.
Wisper Internet fixed wireless download speeds
Wisper Internet is average when comparing download speeds to all other internet providers in Diamond. Versus other fixed wireless providers in the area, Wisper Internet fixed wireless is above average. There are 4 different maximum speeds throughout Diamond. The fastest plan anyone in Diamond can order from Wisper Internet goes up to 400 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for Diamond customers is up to 225 Mbps.
Show all download speeds
- 48.7% up to 400.0 Mbps
- 10.1% up to 100.0 Mbps
- 41.1% up to 50.0 Mbps
- 0.1% up to 25.0 Mbps
Wisper Internet fixed wireless upload speeds
In Diamond download speeds tend to be faster than than upload speeds for Wisper Internet fixed wireless. Compared to other ISPs, Wisper Internet is below average where upload speeds are concerned, and above average compared to other Diamond fixed wireless providers. Wisper Internet offers 4 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 30 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, Wisper Internet customers can get speeds up to 19 Mbps.
Show all upload speeds
- 48.7% up to 30.0 Mbps
- 10.1% up to 20.0 Mbps
- 41.1% up to 5.0 Mbps
- 0.1% up to 3.0 Mbps
T-Mobile Home Internet Fixed Wireless in Diamond, MO
T-Mobile Home Internet fixed wireless coverage
About 81.67%, or 1,960 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 much 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 below 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 57 Mbps.
Show all download speeds
- 42.4% up to 100.0 Mbps
- 57.6% 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 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 10 Mbps.
Show all upload speeds
- 42.4% up to 20.0 Mbps
- 57.6% up to 3.0 Mbps
EarthLink Fixed Wireless in Diamond, MO
EarthLink fixed wireless coverage
About 42.21%, or 1,013 people, have EarthLink fixed wireless internet available to them in the city. The company covers the southwest, northwest, central, southeast, northeast, south, and west Diamond area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in some 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 below average. There are 2 different maximum speeds throughout Diamond. The fastest plan anyone in Diamond can order from EarthLink 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 43 Mbps.
Show all download speeds
- 23.7% up to 100.0 Mbps
- 76.3% 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 below average compared to other Diamond fixed wireless providers. EarthLink 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, EarthLink customers can get speeds up to 7.0 Mbps.
Show all upload speeds
- 23.7% up to 20.0 Mbps
- 76.3% up to 3.0 Mbps
AT&T Fixed Wireless in Diamond, MO
AT&T fixed wireless coverage
About 42.21%, or 1,013 people, have AT&T fixed wireless internet available to them in the city. The company covers the southwest, northwest, central, southeast, northeast, south, and west Diamond area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in some 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 below average. There are 2 different maximum speeds throughout Diamond. The fastest plan anyone in Diamond can order from AT&T 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 43 Mbps.
Show all download speeds
- 23.7% up to 100.0 Mbps
- 76.3% 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 below average compared to other Diamond fixed wireless providers. AT&T 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, AT&T customers can get speeds up to 7.0 Mbps.
Show all upload speeds
- 23.7% up to 20.0 Mbps
- 76.3% up to 3.0 Mbps
Total Highspeed Fixed Wireless in Diamond, MO
Total Highspeed fixed wireless coverage
About 21.04%, or 505 people, have Total Highspeed fixed wireless internet available to them in the city. The company covers the northeast and southeast Diamond area. Total Highspeed is a large internet service provider internet service providers in the US, with internet service available in a small portion of Diamond.
Total Highspeed fixed wireless download speeds
Total Highspeed is below average when comparing download speeds to all other internet providers in Diamond. Versus other fixed wireless providers in the area, Total Highspeed fixed wireless is below average. There are no different maximum speeds throughout Diamond. The fastest plan anyone in Diamond can order from Total Highspeed goes up to 30 Mbps, and all Diamond customers can get this speed.
Show all download speeds
- 100.0% up to 30.0 Mbps
Total Highspeed fixed wireless upload speeds
In Diamond download speeds tend to be faster than than upload speeds for Total Highspeed fixed wireless. Compared to other ISPs, Total Highspeed is below average where upload speeds are concerned, and average compared to other Diamond fixed wireless providers. Total Highspeed offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Diamond is up to 10 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 10.0 Mbps
Verizon Fixed Wireless in Diamond, MO
Verizon fixed wireless coverage
About 3.83%, or 92 people, have Verizon fixed wireless internet available to them in the city. The company covers the northwest Diamond area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Diamond.
Verizon fixed wireless download speeds
Verizon is above 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 no different maximum speeds throughout Diamond. The fastest plan anyone in Diamond can order from Verizon goes up to 300 Mbps, and all Diamond customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 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 the fastest compared to other Diamond fixed wireless providers. Verizon 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 Missouri?
Internet speeds in Diamond are much slower versus the average speeds in Missouri: 3,199 Mbps in Missouri versus 932 Mbps in the city. The state has similar internet availability compared to the city. Average internet coverage in Missouri is 98.57% versus 99.04% 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
- Saginaw, MO: more internet coverage, slower speeds
- Tipton Ford, MO: less internet coverage, slower speeds
- Fidelity, MO: more internet coverage, slower speeds
- Scotland, MO: more internet coverage, slower speeds
- Pepsin, MO: more internet coverage, faster speeds
- Granby, MO: more internet coverage, slower speeds
- Ritchey, MO: more internet coverage, faster speeds
- Duenweg, MO: more internet coverage, slower speeds
- Fredville, MO: more internet coverage, slower speeds
- Monark Springs, MO: more internet coverage, faster speeds
Cities with Similar Populations
- Rothbury, MI: more internet coverage, faster speeds
- Foreston, MN: more internet coverage, slower speeds
- Fort Pierre, SD: less internet coverage, faster speeds
- Hastings, NY: more internet coverage, faster speeds
- Kittery Point, ME: more internet coverage, faster speeds
- Nortonville, KY: less internet coverage, faster speeds
- Pierce, CO: more internet coverage, slower speeds
- Pinson, TN: more internet coverage, faster speeds
- Raleigh, MS: more internet coverage, slower speeds
- Ringle, WI: more internet coverage, slower speeds