In Diamondhead there are 9 residential internet providers covering 99.95% of the city. The average home can get speeds up to 7,718 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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9 Internet Service Providers in Diamondhead
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 Diamondhead are not shown.
Diamondhead 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 Diamondhead
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 99.95% of Diamondhead. 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 C Spire. Now you can call companies in Diamondhead with more confidence that they might be available.
How fast are internet speeds in Diamondhead?
The map below shows maximum internet speeds by area in Diamondhead.

Internet Speed Key
The average Diamondhead home can get up to 7,718 Mbps on their internet plan. For most people, the fastest download speed in the city is 8,000 Mbps, which 94.19% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 2.72% of homes can only purchase plans up to 1,000 Mbps. See the internet provider details below for info about their speed and coverage in Diamondhead.
Internet speeds tend to be faster in the central parts of Diamondhead, and slower in the southwest areas of the city.
What type of internet should I choose in Diamondhead?
The fastest internet for you may vary based on where in Diamondhead you live. If speed is your main concern, fiber will be the fastest internet in the city.
- Fiber is the fastest internet type for 99.95% of Diamondhead homes.
- Cable is fastest for less than 1% 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 Diamondhead homes.
Internet Market Health in Diamondhead

Internet Competition Key
The map shows how competitive the Diamondhead 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 Diamondhead based on what connections the average home has availabile:
- Average number of internet service providers to a home: 9.2 (very healthy)
- Average types of service (fiber, cable, DSL, etc): 3.9 (very healthy)
- Average providers with broadband (25 Mbps+) speeds: 9.1 (very healthy)
Overall, competition is very healthy.
Diamondhead internet customers have the ability to buy internet service from 4 to 12 different providers, depending on where they live. For different types of service, Diamondhead homes have between 2 and 4 options. The type(s) of service available are fiber, fixed wireless, 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. Diamondhead internet customers who want faster speeds have between 2 and 12 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, Diamondhead is doing quite well.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in Diamondhead, along with details on where in Diamondhead and at what speeds.
CoastConnect Fiber in Diamondhead, MS

CoastConnect fiber coverage
About 99.49%, or 9,981 people, have CoastConnect fiber internet available to them in the city. The company covers the entire Diamondhead area. CoastConnect is a large internet service provider internet service providers in the US, with internet service available in most of Diamondhead.
CoastConnect fiber download speeds
CoastConnect is below average when comparing download speeds to all other internet providers in Diamondhead. Versus other fiber providers in the area, CoastConnect fiber is the slowest. There are no different maximum speeds throughout Diamondhead. The fastest plan anyone in Diamondhead can order from CoastConnect goes up to 1,000 Mbps, and all Diamondhead customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
CoastConnect fiber upload speeds
In Diamondhead download speeds tend to be equal to than upload speeds for CoastConnect fiber. Compared to other ISPs, CoastConnect is below average where upload speeds are concerned, and the slowest compared to other Diamondhead fiber providers. CoastConnect offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Diamondhead is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Sparklight Cable in Diamondhead, MS

Sparklight cable coverage
About 95.62%, or 9,593 people, have Sparklight cable internet available to them in the city. The company covers the entire Diamondhead area. Sparklight is one of the largest internet service providers internet service providers in the US, with internet service available in most of Diamondhead.
Sparklight cable download speeds
Sparklight is below average when comparing download speeds to all other internet providers in Diamondhead. Versus other cable providers in the area, Sparklight cable is the fastest. There are no different maximum speeds throughout Diamondhead. The fastest plan anyone in Diamondhead can order from Sparklight goes up to 1,000 Mbps, and all Diamondhead customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Sparklight cable upload speeds
In Diamondhead download speeds tend to be faster than than upload speeds for Sparklight cable. Compared to other ISPs, Sparklight is below average where upload speeds are concerned, and the fastest compared to other Diamondhead cable providers. Sparklight offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Diamondhead is up to 50 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 50.0 Mbps
C Spire Fiber in Diamondhead, MS

C Spire fiber coverage
About 94.19%, or 9,449 people, have C Spire fiber internet available to them in the city. The company covers the entire Diamondhead area. C Spire is a large internet service provider internet service providers in the US, with internet service available in most of Diamondhead.
C Spire fiber download speeds
C Spire is the fastest when comparing download speeds to all other internet providers in Diamondhead. Versus other fiber providers in the area, C Spire fiber is the fastest. There are no different maximum speeds throughout Diamondhead. The fastest plan anyone in Diamondhead can order from C Spire goes up to 8,000 Mbps, and all Diamondhead customers can get this speed.
Show all download speeds
- 100.0% up to 8,000.0 Mbps
C Spire fiber upload speeds
In Diamondhead download speeds tend to be equal to than upload speeds for C Spire fiber. Compared to other ISPs, C Spire is the fastest where upload speeds are concerned, and the fastest compared to other Diamondhead fiber providers. C Spire offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Diamondhead is up to 8,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 8,000.0 Mbps
AT&T DSL in Diamondhead, MS

AT&T DSL coverage
About 91.43%, or 9,172 people, have AT&T DSL internet available to them in the city. The company covers the east, central, north, northeast, southwest, west, south, and northwest Diamondhead area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in most of Diamondhead.
AT&T DSL download speeds
AT&T is below average when comparing download speeds to all other internet providers in Diamondhead. Versus other DSL providers in the area, AT&T DSL is one of the fastest. There are 5 different maximum speeds throughout Diamondhead. The fastest plan anyone in Diamondhead can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Diamondhead customers is up to 86 Mbps.
Show all download speeds
- 69.4% up to 100.0 Mbps
- 11.1% up to 75.0 Mbps
- 14.3% up to 50.0 Mbps
- 1.1% up to 25.0 Mbps
- 4.1% up to 10.0 Mbps
AT&T DSL upload speeds
In Diamondhead download speeds tend to be faster than than upload speeds for AT&T DSL. Compared to other ISPs, AT&T is below average where upload speeds are concerned, and one of the fastest compared to other Diamondhead DSL providers. AT&T 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 Diamondhead is up to 20 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, AT&T customers can get speeds up to 18 Mbps.
Show all upload speeds
- 80.5% up to 20.0 Mbps
- 14.3% up to 10.0 Mbps
- 1.1% up to 5.0 Mbps
- 4.1% up to 1.0 Mbps
EarthLink DSL in Diamondhead, MS

EarthLink DSL coverage
About 91.43%, or 9,172 people, have EarthLink DSL internet available to them in the city. The company covers the east, central, north, northeast, southwest, west, south, and northwest Diamondhead area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in most of Diamondhead.
EarthLink DSL download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Diamondhead. Versus other DSL providers in the area, EarthLink DSL is one of the fastest. There are 5 different maximum speeds throughout Diamondhead. The fastest plan anyone in Diamondhead can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Diamondhead customers is up to 86 Mbps.
Show all download speeds
- 69.4% up to 100.0 Mbps
- 11.1% up to 75.0 Mbps
- 14.3% up to 50.0 Mbps
- 1.1% up to 25.0 Mbps
- 4.1% up to 10.0 Mbps
EarthLink DSL upload speeds
In Diamondhead download speeds tend to be faster than than upload speeds for EarthLink DSL. Compared to other ISPs, EarthLink is below average where upload speeds are concerned, and one of the fastest compared to other Diamondhead DSL providers. EarthLink 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 Diamondhead is up to 20 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, EarthLink customers can get speeds up to 18 Mbps.
Show all upload speeds
- 80.5% up to 20.0 Mbps
- 14.3% up to 10.0 Mbps
- 1.1% up to 5.0 Mbps
- 4.1% up to 1.0 Mbps
EarthLink Fiber in Diamondhead, MS

EarthLink fiber coverage
About 70.17%, or 7,039 people, have EarthLink fiber internet available to them in the city. The company covers the east, north, central, northeast, south, southwest, and southeast Diamondhead area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in much of Diamondhead.
EarthLink fiber download speeds
EarthLink is above average when comparing download speeds to all other internet providers in Diamondhead. Versus other fiber providers in the area, EarthLink fiber is above average. There are 2 different maximum speeds throughout Diamondhead. The fastest plan anyone in Diamondhead can order from EarthLink goes up to 5,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the city-wide average maximum speed for Diamondhead customers is up to 4,887 Mbps.
Show all download speeds
- 97.2% up to 5,000.0 Mbps
- 2.8% up to 1,000.0 Mbps
EarthLink fiber upload speeds
In Diamondhead download speeds tend to be equal to than upload speeds for EarthLink fiber. Compared to other ISPs, EarthLink is above average where upload speeds are concerned, and above average compared to other Diamondhead fiber 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 Diamondhead 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 4,887 Mbps.
Show all upload speeds
- 97.2% up to 5,000.0 Mbps
- 2.8% up to 1,000.0 Mbps
AT&T Fiber in Diamondhead, MS

AT&T fiber coverage
About 70.17%, or 7,039 people, have AT&T fiber internet available to them in the city. The company covers the east, north, central, northeast, south, southwest, and southeast Diamondhead area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in much of Diamondhead.
AT&T fiber download speeds
AT&T is above average when comparing download speeds to all other internet providers in Diamondhead. Versus other fiber providers in the area, AT&T fiber is above average. There are 2 different maximum speeds throughout Diamondhead. The fastest plan anyone in Diamondhead can order from AT&T goes up to 5,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the city-wide average maximum speed for Diamondhead customers is up to 4,887 Mbps.
Show all download speeds
- 97.2% up to 5,000.0 Mbps
- 2.8% up to 1,000.0 Mbps
AT&T fiber upload speeds
In Diamondhead download speeds tend to be equal to than upload speeds for AT&T fiber. Compared to other ISPs, AT&T is above average where upload speeds are concerned, and above average compared to other Diamondhead fiber 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 Diamondhead 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 4,887 Mbps.
Show all upload speeds
- 97.2% up to 5,000.0 Mbps
- 2.8% up to 1,000.0 Mbps
T-Mobile Home Internet Fixed Wireless in Diamondhead, MS

T-Mobile Home Internet fixed wireless coverage
About 95.90%, or 9,621 people, have T-Mobile Home Internet fixed wireless internet available to them in the city. The company covers the entire Diamondhead 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 Diamondhead.
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 Diamondhead. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is below average. There are 2 different maximum speeds throughout Diamondhead. The fastest plan anyone in Diamondhead 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 Diamondhead customers is up to 67 Mbps.
Show all download speeds
- 55.5% up to 100.0 Mbps
- 44.5% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Diamondhead 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 Diamondhead 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 Diamondhead 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 12 Mbps.
Show all upload speeds
- 55.5% up to 20.0 Mbps
- 44.5% up to 3.0 Mbps
EarthLink Fixed Wireless in Diamondhead, MS

EarthLink fixed wireless coverage
About 67.58%, or 6,780 people, have EarthLink fixed wireless internet available to them in the city. The company covers the east, north, central, southwest, south, west, northwest, and northeast Diamondhead area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in much of Diamondhead.
EarthLink fixed wireless download speeds
EarthLink is one of the slowest when comparing download speeds to all other internet providers in Diamondhead. Versus other fixed wireless providers in the area, EarthLink fixed wireless is one of the slowest. There are 2 different maximum speeds throughout Diamondhead. The fastest plan anyone in Diamondhead 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 Diamondhead customers is up to 36 Mbps.
Show all download speeds
- 15.0% up to 100.0 Mbps
- 85.0% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In Diamondhead download speeds tend to be faster than than upload speeds for EarthLink fixed wireless. Compared to other ISPs, EarthLink is one of the slowest where upload speeds are concerned, and one of the slowest compared to other Diamondhead 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 Diamondhead 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 5.6 Mbps.
Show all upload speeds
- 15.0% up to 20.0 Mbps
- 85.0% up to 3.0 Mbps
AT&T Fixed Wireless in Diamondhead, MS

AT&T fixed wireless coverage
About 67.58%, or 6,780 people, have AT&T fixed wireless internet available to them in the city. The company covers the east, north, central, southwest, south, west, northwest, and northeast Diamondhead area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in much of Diamondhead.
AT&T fixed wireless download speeds
AT&T is one of the slowest when comparing download speeds to all other internet providers in Diamondhead. Versus other fixed wireless providers in the area, AT&T fixed wireless is one of the slowest. There are 2 different maximum speeds throughout Diamondhead. The fastest plan anyone in Diamondhead 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 Diamondhead customers is up to 36 Mbps.
Show all download speeds
- 15.0% up to 100.0 Mbps
- 85.0% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In Diamondhead download speeds tend to be faster than than upload speeds for AT&T fixed wireless. Compared to other ISPs, AT&T is one of the slowest where upload speeds are concerned, and one of the slowest compared to other Diamondhead 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 Diamondhead 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 5.6 Mbps.
Show all upload speeds
- 15.0% up to 20.0 Mbps
- 85.0% up to 3.0 Mbps
Verizon Fixed Wireless in Diamondhead, MS

Verizon fixed wireless coverage
About 59.34%, or 5,953 people, have Verizon fixed wireless internet available to them in the city. The company covers the east, northeast, north, southwest, central, and southeast Diamondhead area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Diamondhead.
Verizon fixed wireless download speeds
Verizon is below average when comparing download speeds to all other internet providers in Diamondhead. Versus other fixed wireless providers in the area, Verizon fixed wireless is the fastest. There are no different maximum speeds throughout Diamondhead. The fastest plan anyone in Diamondhead can order from Verizon goes up to 300 Mbps, and all Diamondhead customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In Diamondhead 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 one of the fastest compared to other Diamondhead fixed wireless providers. Verizon offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Diamondhead is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
C Spire Fixed Wireless in Diamondhead, MS

C Spire fixed wireless coverage
About 14.84%, or 1,489 people, have C Spire fixed wireless internet available to them in the city. The company covers the east, northeast, southwest, south, west, and north Diamondhead area. C Spire is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Diamondhead.
C Spire fixed wireless download speeds
C Spire is below average when comparing download speeds to all other internet providers in Diamondhead. Versus other fixed wireless providers in the area, C Spire fixed wireless is average. There are no different maximum speeds throughout Diamondhead. The fastest plan anyone in Diamondhead can order from C Spire goes up to 100 Mbps, and all Diamondhead customers can get this speed.
Show all download speeds
- 100.0% up to 100.0 Mbps
C Spire fixed wireless upload speeds
In Diamondhead download speeds tend to be faster than than upload speeds for C Spire fixed wireless. Compared to other ISPs, C Spire is below average where upload speeds are concerned, and one of the fastest compared to other Diamondhead fixed wireless providers. C Spire offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Diamondhead is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
Diamondhead Internet by Area
This information is most helpful to those looking for homes or considering moving to Diamondhead or any of the areas nearby.
How does internet in Diamondhead compare to the rest of Mississippi?
Internet speeds in Diamondhead are much faster versus the average speeds in Mississippi: 3,591 Mbps in Mississippi versus 7,718 Mbps in the city. The state has similar internet availability compared to the city. Average internet coverage in Mississippi is 97.80% versus 99.95% in Diamondhead.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around Diamondhead 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
- Fenton, MS: more internet coverage, slower speeds
- DeLisle, MS: more internet coverage, slower speeds
- Kiln, MS: less internet coverage, slower speeds
- Bay St. Louis, MS: less internet coverage, slower speeds
- Pass Christian, MS: less internet coverage, slower speeds
- Waveland, MS: less internet coverage, slower speeds
- Long Beach, MS: less internet coverage, slower speeds
- Lakeshore, MS: more internet coverage, slower speeds
- Pearlington, MS: less internet coverage, slower speeds
- Gulfport, MS: less internet coverage, slower speeds
Cities with Similar Populations
- Narragansett, RI: more internet coverage, slower speeds
- Maynard, MA: less internet coverage, slower speeds
- Maywood, NJ: more internet coverage, faster speeds
- McCook, NE: less internet coverage, slower speeds
- McGregor, TX: less internet coverage, slower speeds
- Mercer, PA: less internet coverage, slower speeds
- Merrydale, LA: more internet coverage, slower speeds
- Micco, FL: more internet coverage, slower speeds
- Wingate, NC: less internet coverage, slower speeds
- Moscow Mills, MO: less internet coverage, slower speeds


