In Castle Valley there are 7 residential internet providers covering 89.66% of the city. The average home can get speeds up to 1,000 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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7 Internet Service Providers in Castle Valley
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 Castle Valley are not shown.
Castle Valley 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 Castle Valley
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 89.66% of Castle Valley. 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 Emery Telcom. Now you can call companies in Castle Valley with more confidence that they might be available.
How fast are internet speeds in Castle Valley?
The map below shows maximum internet speeds by area in Castle Valley.

Internet Speed Key
The average Castle Valley home can get up to 1,000 Mbps on their internet plan. For most people, the fastest download speed in the city is 1,000 Mbps, which 89.66% of residents can get.
What type of internet should I choose in Castle Valley?
The fastest internet for you may vary based on where in Castle Valley you live. If speed is your main concern, fiber will be the fastest internet in the city.
- Fiber is the fastest internet type for 89.66% of Castle Valley 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 10.34% of Castle Valley homes.
Internet Market Health in Castle Valley

Internet Competition Key
The map shows how competitive the Castle Valley 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 Castle Valley based on what connections the average home has availabile:
- Average number of internet service providers to a home: 4.0 (unhealthy)
- Average types of service (fiber, cable, DSL, etc): 3.0 (very healthy)
- Average providers with broadband (25 Mbps+) speeds: 3.8 (unhealthy)
Overall, competition is healthy.
Castle Valley internet customers have the ability to buy internet service from 3 to 5 different providers, depending on where they live. For different types of service, Castle Valley homes have 3 options. The type(s) of service available are fixed wireless, 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. Castle Valley internet customers who want faster speeds have between 2 and 5 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, Castle Valley is doing better than most.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in Castle Valley, along with details on where in Castle Valley and at what speeds.
Emery Telcom Fiber in Castle Valley, UT

Emery Telcom fiber coverage
About 89.66%, or 347 people, have Emery Telcom fiber internet available to them in the city. The company covers the entire Castle Valley area. Emery Telcom is a large internet service provider internet service providers in the US, with internet service available in most of Castle Valley.
Emery Telcom fiber download speeds
Emery Telcom is the fastest when comparing download speeds to all other internet providers in Castle Valley. Versus other fiber providers in the area, Emery Telcom fiber is the fastest. There are no different maximum speeds throughout Castle Valley. The fastest plan anyone in Castle Valley can order from Emery Telcom goes up to 1,000 Mbps, and all Castle Valley customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Emery Telcom fiber upload speeds
In Castle Valley download speeds tend to be equal to than upload speeds for Emery Telcom fiber. Compared to other ISPs, Emery Telcom is the fastest where upload speeds are concerned, and the fastest compared to other Castle Valley fiber providers. Emery Telcom offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Castle Valley is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Frontier Communications DSL in Castle Valley, UT

Frontier DSL coverage
About 89.66%, or 347 people, have Frontier DSL internet available to them in the city. The company covers the entire Castle Valley area. Frontier is one of the largest internet service providers internet service providers in the US, with internet service available in most of Castle Valley.
Frontier Communications DSL download speeds
Frontier is below average when comparing download speeds to all other internet providers in Castle Valley. Versus other DSL providers in the area, Frontier DSL is the fastest. There are 2 different maximum speeds throughout Castle Valley. The fastest plan anyone in Castle Valley can order from Frontier goes up to 115 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Castle Valley customers is up to 97 Mbps.
Show all download speeds
- 83.3% up to 115.0 Mbps
- 16.7% up to 10.0 Mbps
Frontier Communications DSL upload speeds
In Castle Valley download speeds tend to be faster than than upload speeds for Frontier DSL. Compared to other ISPs, Frontier is below average where upload speeds are concerned, and the fastest compared to other Castle Valley DSL providers. Frontier 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 Castle Valley is up to 7.0 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Frontier customers can get speeds up to 6.0 Mbps.
Show all upload speeds
- 83.3% up to 7.0 Mbps
- 16.7% up to 1.0 Mbps
River Canyon Wireless Fixed Wireless in Castle Valley, UT

River Canyon Wireless fixed wireless coverage
About 89.66%, or 347 people, have River Canyon Wireless fixed wireless internet available to them in the city. The company covers the entire Castle Valley area. River Canyon Wireless is a large internet service provider internet service providers in the US, with internet service available in most of Castle Valley.
River Canyon Wireless fixed wireless download speeds
River Canyon Wireless is below average when comparing download speeds to all other internet providers in Castle Valley. Versus other fixed wireless providers in the area, River Canyon Wireless fixed wireless is the fastest. There are 2 different maximum speeds throughout Castle Valley. The fastest plan anyone in Castle Valley can order from River Canyon Wireless goes up to 75 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for Castle Valley customers is up to 73 Mbps.
Show all download speeds
- 96.5% up to 75.0 Mbps
- 3.5% up to 25.0 Mbps
River Canyon Wireless fixed wireless upload speeds
In Castle Valley download speeds tend to be faster than than upload speeds for River Canyon Wireless fixed wireless. Compared to other ISPs, River Canyon Wireless is below average where upload speeds are concerned, and the fastest compared to other Castle Valley fixed wireless providers. River Canyon Wireless 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 Castle Valley is up to 25 Mbps. Some customers have slower plan choices, which only go up to 10 Mbps. On average, River Canyon Wireless customers can get speeds up to 24 Mbps.
Show all upload speeds
- 96.5% up to 25.0 Mbps
- 3.5% up to 10.0 Mbps
EarthLink Fixed Wireless in Castle Valley, UT

EarthLink fixed wireless coverage
About 44.19%, or 171 people, have EarthLink fixed wireless internet available to them in the city. The company covers the central and north Castle Valley area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in some of Castle Valley.
EarthLink fixed wireless download speeds
EarthLink is one of the slowest when comparing download speeds to all other internet providers in Castle Valley. Versus other fixed wireless providers in the area, EarthLink fixed wireless is one of the slowest. There are no different maximum speeds throughout Castle Valley. The fastest plan anyone in Castle Valley can order from EarthLink goes up to 25 Mbps, and all Castle Valley customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In Castle Valley 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 Castle Valley fixed wireless providers. EarthLink offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Castle Valley 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 Castle Valley, UT

AT&T fixed wireless coverage
About 44.19%, or 171 people, have AT&T fixed wireless internet available to them in the city. The company covers the central and north Castle Valley area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in some of Castle Valley.
AT&T fixed wireless download speeds
AT&T is one of the slowest when comparing download speeds to all other internet providers in Castle Valley. Versus other fixed wireless providers in the area, AT&T fixed wireless is one of the slowest. There are no different maximum speeds throughout Castle Valley. The fastest plan anyone in Castle Valley can order from AT&T goes up to 25 Mbps, and all Castle Valley customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In Castle Valley 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 Castle Valley fixed wireless providers. AT&T offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Castle Valley is up to 3.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 3.0 Mbps
Castle Valley Internet by Area
This information is most helpful to those looking for homes or considering moving to Castle Valley or any of the areas nearby.
How does internet in Castle Valley compare to the rest of Utah?
Internet speeds in Castle Valley are much slower versus the average speeds in Utah: 5,951 Mbps in Utah versus 1,000 Mbps in the city. The state has less internet availability compared to the city. Average internet coverage in Utah is 99.04% versus 89.66% in Castle Valley.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around Castle Valley 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
- Cisco, UT: less internet coverage, similar speeds
- Moab, UT: more internet coverage, similar speeds
- La Sal, UT: more internet coverage, slower speeds
- Paradox, CO: less internet coverage, slower speeds
- Gateway, CO: more internet coverage, slower speeds
- Thompson Springs, UT: less internet coverage, similar speeds
- Bedrock, CO: more internet coverage, slower speeds
- Glade Park, CO: less internet coverage, slower speeds
- Green River, UT: more internet coverage, faster speeds
- Vancorum, CO: more internet coverage, slower speeds
Cities with Similar Populations
- Hartmansville, WV: more internet coverage, slower speeds
- Hickory Tree, TN: more internet coverage, similar speeds
- Hettick, IL: more internet coverage, slower speeds
- Protem, MO: more internet coverage, similar speeds
- Pumpkintown, TN: more internet coverage, similar speeds
- Henderson, IL: more internet coverage, slower speeds
- Turkey, TX: more internet coverage, slower speeds
- Turner, MT: more internet coverage, slower speeds
- Heart Lake, PA: more internet coverage, faster speeds
- Spring Prairie, WI: more internet coverage, similar speeds


