In Castell there are 8 residential internet providers covering 100.00% of the city. The average home can get speeds up to 858 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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8 Internet Service Providers in Castell
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 Castell are not shown.
Castell 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 Castell
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.
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Internet service is available in 100.00% of Castell. 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 Nextlink. Now you can call companies in Castell with more confidence that they might be available.
How fast are internet speeds in Castell?
The map below shows maximum internet speeds by area in Castell.
Internet Speed Key
The average Castell home can get up to 858 Mbps on their internet plan. For most people, the fastest download speed in the city is 1,000 Mbps, which 62.10% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 8.47% of homes can only purchase plans up to 300 Mbps. See the internet provider details below for info about their speed and coverage in Castell.
Internet speeds tend to be faster in the north parts of Castell, and slower in the south areas of the city.
What type of internet should I choose in Castell?
The fastest internet for you may vary based on where in Castell you live. If speed is your main concern, fixed wireless will be the fastest internet in the city.
- Fiber is the fastest internet type for less than 1% of Castell homes.
- Cable is fastest for less than 1% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 100.00%.
- Satellite internet may be the only option for less than 1% of Castell homes.
Internet Market Health in Castell
Internet Competition Key
The map shows how competitive the Castell 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 Castell based on what connections the average home has availabile:
- Average number of internet service providers to a home: 2.4 (very unhealthy)
- Average types of service (fiber, cable, DSL, etc): 1.0 (very unhealthy)
- Average providers with broadband (25 Mbps+) speeds: 2.4 (very unhealthy)
Overall, competition is very unhealthy.
Castell internet customers have the ability to buy internet service from 1 to 4 different providers, depending on where they live. For different types of service, Castell homes have 1 option. The type(s) of service available are fixed wireless, 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 similar. Castell internet customers who want faster speeds have between 1 and 4 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, Castell badly needs improvement.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in Castell, along with details on where in Castell and at what speeds.
Nextlink Fixed Wireless in Castell, TX
Nextlink fixed wireless coverage
About 100.00%, or 248 people, have Nextlink fixed wireless internet available to them in the city. The company covers the entire Castell area. Nextlink is one of the largest internet service providers internet service providers in the US, with internet service available in every corner of Castell.
Nextlink fixed wireless download speeds
Nextlink is the fastest when comparing download speeds to all other internet providers in Castell. Versus other fixed wireless providers in the area, Nextlink fixed wireless is the fastest. There are 5 different maximum speeds throughout Castell. The fastest plan anyone in Castell can order from Nextlink goes up to 1,000 Mbps, the slowest package only goes up to 300 Mbps, and the city-wide average maximum speed for Castell customers is up to 858 Mbps.
Show all download speeds
- 62.1% up to 1,000.0 Mbps
- 18.5% up to 800.0 Mbps
- 4.4% up to 700.0 Mbps
- 6.5% up to 500.0 Mbps
- 8.5% up to 300.0 Mbps
Nextlink fixed wireless upload speeds
In Castell download speeds tend to be faster than than upload speeds for Nextlink fixed wireless. Compared to other ISPs, Nextlink is the fastest where upload speeds are concerned, and the fastest compared to other Castell fixed wireless providers. Nextlink offers 5 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 Castell is up to 500 Mbps. Some customers have slower plan choices, which only go up to 100 Mbps. On average, Nextlink customers can get speeds up to 419 Mbps.
Show all upload speeds
- 62.1% up to 500.0 Mbps
- 18.5% up to 400.0 Mbps
- 4.4% up to 300.0 Mbps
- 6.5% up to 200.0 Mbps
- 8.5% up to 100.0 Mbps
T-Mobile Home Internet Fixed Wireless in Castell, TX
T-Mobile Home Internet fixed wireless coverage
About 66.94%, or 166 people, have T-Mobile Home Internet fixed wireless internet available to them in the city. The company covers the north, central, northeast, northwest, east, west, and south Castell 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 Castell.
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 Castell. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is below average. There are 2 different maximum speeds throughout Castell. The fastest plan anyone in Castell 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 Castell customers is up to 50 Mbps.
Show all download speeds
- 33.1% up to 100.0 Mbps
- 66.9% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Castell 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 below average compared to other Castell 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 Castell 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 8.6 Mbps.
Show all upload speeds
- 33.1% up to 20.0 Mbps
- 66.9% up to 3.0 Mbps
Rise Broadband Fixed Wireless in Castell, TX
Rise Broadband fixed wireless coverage
About 33.06%, or 82 people, have Rise Broadband fixed wireless internet available to them in the city. The company covers the northeast, east, central, and north Castell area. Rise Broadband is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Castell.
Rise Broadband fixed wireless download speeds
Rise Broadband is below average when comparing download speeds to all other internet providers in Castell. Versus other fixed wireless providers in the area, Rise Broadband fixed wireless is below average. There are no different maximum speeds throughout Castell. The fastest plan anyone in Castell can order from Rise Broadband goes up to 50 Mbps, and all Castell customers can get this speed.
Show all download speeds
- 100.0% up to 50.0 Mbps
Rise Broadband fixed wireless upload speeds
In Castell 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 Castell fixed wireless providers. Rise Broadband offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Castell 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 Castell, TX
Verizon fixed wireless coverage
About 23.39%, or 58 people, have Verizon fixed wireless internet available to them in the city. The company covers the northeast, north, and southeast Castell area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Castell.
Verizon fixed wireless download speeds
Verizon is above average when comparing download speeds to all other internet providers in Castell. Versus other fixed wireless providers in the area, Verizon fixed wireless is above average. There are no different maximum speeds throughout Castell. The fastest plan anyone in Castell can order from Verizon goes up to 300 Mbps, and all Castell customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In Castell 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 below average compared to other Castell fixed wireless providers. Verizon offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Castell is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
EarthLink Fixed Wireless in Castell, TX
EarthLink fixed wireless coverage
About 6.45%, or 16 people, have EarthLink fixed wireless internet available to them in the city. The company covers the central Castell 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 Castell.
EarthLink fixed wireless download speeds
EarthLink is one of the slowest when comparing download speeds to all other internet providers in Castell. Versus other fixed wireless providers in the area, EarthLink fixed wireless is one of the slowest. There are no different maximum speeds throughout Castell. The fastest plan anyone in Castell can order from EarthLink goes up to 25 Mbps, and all Castell customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In Castell 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 Castell fixed wireless providers. EarthLink offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Castell 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 Castell, TX
AT&T fixed wireless coverage
About 6.45%, or 16 people, have AT&T fixed wireless internet available to them in the city. The company covers the central Castell 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 Castell.
AT&T fixed wireless download speeds
AT&T is one of the slowest when comparing download speeds to all other internet providers in Castell. Versus other fixed wireless providers in the area, AT&T fixed wireless is one of the slowest. There are no different maximum speeds throughout Castell. The fastest plan anyone in Castell can order from AT&T goes up to 25 Mbps, and all Castell customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In Castell 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 Castell fixed wireless providers. AT&T offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Castell is up to 3.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 3.0 Mbps
Castell Internet by Area
This information is most helpful to those looking for homes or considering moving to Castell or any of the areas nearby.
How does internet in Castell compare to the rest of Texas?
Internet speeds in Castell are much slower versus the average speeds in Texas: 3,946 Mbps in Texas versus 858 Mbps in the city. The state has similar internet availability compared to the city. Average internet coverage in Texas is 98.82% versus 100.00% in Castell.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around Castell 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
- Loyal Valley, TX: less internet coverage, slower speeds
- Valley Spring, TX: less internet coverage, faster speeds
- Bend, TX: less internet coverage, faster speeds
- Oxford, TX: less internet coverage, slower speeds
- Art, TX: less internet coverage, slower speeds
- Llano, TX: less internet coverage, faster speeds
- Hilda, TX: less internet coverage, slower speeds
- Mason, TX: less internet coverage, faster speeds
- Koockville, TX: less internet coverage, faster speeds
- Kingsland, TX: less internet coverage, faster speeds
Cities with Similar Populations
- Nebo, MO: equal internet coverage, slower speeds
- Merrill, MS: equal internet coverage, faster speeds
- Metaline, WA: less internet coverage, slower speeds
- Midkiff, TX: less internet coverage, slower speeds
- Midland, KY: less internet coverage, slower speeds
- Midway, NM: less internet coverage, slower speeds
- Minden, WV: less internet coverage, slower speeds
- Mitchells, VA: less internet coverage, faster speeds
- Monroe Center, WI: equal internet coverage, slower speeds
- Monterville, WV: less internet coverage, faster speeds