In Castle there are 12 residential internet providers covering 100.00% of the city. The average home can get speeds up to 2,923 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 Castle
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 are not shown.
Castle 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
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 Castle. 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 Dobson Fiber. Now you can call companies in Castle with more confidence that they might be available.
How fast are internet speeds in Castle?
The map below shows maximum internet speeds by area in Castle.
Internet Speed Key
The average Castle home can get up to 2,923 Mbps on their internet plan. For most people, the fastest download speed in the city is 10,000 Mbps, which 25.26% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 2.77% of homes can only purchase plans up to 25 Mbps. See the internet provider details below for info about their speed and coverage in Castle.
Internet speeds tend to be faster in the southeast parts of Castle, and slower in the northwest areas of the city.
What type of internet should I choose in Castle?
The fastest internet for you may vary based on where in Castle you live. If speed is your main concern, fiber will be the fastest internet in the city.
- Fiber is the fastest internet type for 87.74% of Castle homes.
- Cable is fastest for less than 1% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 12.26%.
- Satellite internet may be the only option for less than 1% of Castle homes.
Internet Market Health in Castle
Internet Competition Key
The map shows how competitive the Castle 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 based on what connections the average home has availabile:
- Average number of internet service providers to a home: 4.3 (unhealthy)
- Average types of service (fiber, cable, DSL, etc): 2.6 (healthy)
- Average providers with broadband (25 Mbps+) speeds: 2.9 (unhealthy)
Overall, competition is unhealthy.
Castle internet customers have the ability to buy internet service from 2 to 8 different providers, depending on where they live. For different types of service, Castle homes have between 1 and 4 options. The type(s) of service available are fixed wireless, fiber, dsl, and cable, 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 internet customers who want faster speeds have between 1 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 needs improvement.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in Castle, along with details on where in Castle and at what speeds.
ecolink Fiber in Castle, OK
ecolink fiber coverage
About 42.48%, or 291 people, have ecolink fiber internet available to them in the city. The company covers the southeast, central, southwest, south, west, east, and northeast Castle area. ecolink is a large internet service provider internet service providers in the US, with internet service available in some of Castle.
ecolink fiber download speeds
ecolink is below average when comparing download speeds to all other internet providers in Castle. Versus other fiber providers in the area, ecolink fiber is below average. There are no different maximum speeds throughout Castle. The fastest plan anyone in Castle can order from ecolink goes up to 1,000 Mbps, and all Castle customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
ecolink fiber upload speeds
In Castle download speeds tend to be equal to than upload speeds for ecolink fiber. Compared to other ISPs, ecolink is below average where upload speeds are concerned, and below average compared to other Castle fiber providers. ecolink offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Castle 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 Castle, OK
AT&T DSL coverage
About 36.93%, or 253 people, have AT&T DSL internet available to them in the city. The company covers the southeast, east, and central Castle 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.
AT&T DSL download speeds
AT&T is one of the slowest when comparing download speeds to all other internet providers in Castle. Versus other DSL providers in the area, AT&T DSL is one of the slowest. There are no different maximum speeds throughout Castle. The fastest plan anyone in Castle can order from AT&T goes up to 10 Mbps, and all Castle customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
AT&T DSL upload speeds
In Castle 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 slowest compared to other Castle DSL providers. AT&T offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Castle 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 Castle, OK
EarthLink DSL coverage
About 36.93%, or 253 people, have EarthLink DSL internet available to them in the city. The company covers the southeast, east, and central Castle area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in some of Castle.
EarthLink DSL download speeds
EarthLink is one of the slowest when comparing download speeds to all other internet providers in Castle. Versus other DSL providers in the area, EarthLink DSL is one of the slowest. There are no different maximum speeds throughout Castle. The fastest plan anyone in Castle can order from EarthLink goes up to 10 Mbps, and all Castle customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
EarthLink DSL upload speeds
In Castle 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 slowest compared to other Castle DSL providers. EarthLink offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Castle is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
Central Oklahoma Telephone Company Fiber in Castle, OK
Central Oklahoma Telephone Company fiber coverage
About 30.36%, or 208 people, have Central Oklahoma Telephone Company fiber internet available to them in the city. The company covers the northwest, north, west, and central Castle area. Central Oklahoma Telephone Company is a small internet service provider internet service providers in the US, with internet service available in a small portion of Castle.
Central Oklahoma Telephone Company fiber download speeds
Central Oklahoma Telephone Company is below average when comparing download speeds to all other internet providers in Castle. Versus other fiber providers in the area, Central Oklahoma Telephone Company fiber is the slowest. There are no different maximum speeds throughout Castle. The fastest plan anyone in Castle can order from Central Oklahoma Telephone Company goes up to 100 Mbps, and all Castle customers can get this speed.
Show all download speeds
- 100.0% up to 100.0 Mbps
Central Oklahoma Telephone Company fiber upload speeds
In Castle download speeds tend to be equal to than upload speeds for Central Oklahoma Telephone Company fiber. Compared to other ISPs, Central Oklahoma Telephone Company is below average where upload speeds are concerned, and the slowest compared to other Castle fiber providers. Central Oklahoma Telephone Company offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Castle is up to 100 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 100.0 Mbps
Dobson Fiber Fiber in Castle, OK
Dobson Fiber fiber coverage
About 25.26%, or 173 people, have Dobson Fiber fiber internet available to them in the city. The company covers the southeast and east Castle area. Dobson Fiber is a large internet service provider internet service providers in the US, with internet service available in a small portion of Castle.
Dobson Fiber fiber download speeds
Dobson Fiber is the fastest when comparing download speeds to all other internet providers in Castle. Versus other fiber providers in the area, Dobson Fiber fiber is the fastest. There are no different maximum speeds throughout Castle. The fastest plan anyone in Castle can order from Dobson Fiber goes up to 10,000 Mbps, and all Castle customers can get this speed.
Show all download speeds
- 100.0% up to 10,000.0 Mbps
Dobson Fiber fiber upload speeds
In Castle download speeds tend to be equal to than upload speeds for Dobson Fiber fiber. Compared to other ISPs, Dobson Fiber is the fastest where upload speeds are concerned, and the fastest compared to other Castle fiber providers. Dobson Fiber offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Castle is up to 10,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 10,000.0 Mbps
Vyve Broadband Cable in Castle, OK
Vyve Broadband cable coverage
About 25.26%, or 173 people, have Vyve Broadband cable internet available to them in the city. The company covers the southeast and east Castle area. Vyve Broadband is a large internet service provider internet service providers in the US, with internet service available in a small portion of Castle.
Vyve Broadband cable download speeds
Vyve Broadband is below average when comparing download speeds to all other internet providers in Castle. Versus other cable providers in the area, Vyve Broadband cable is the fastest. There are no different maximum speeds throughout Castle. The fastest plan anyone in Castle can order from Vyve Broadband goes up to 1,000 Mbps, and all Castle customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Vyve Broadband cable upload speeds
In Castle download speeds tend to be faster than than upload speeds for Vyve Broadband cable. Compared to other ISPs, Vyve Broadband is below average where upload speeds are concerned, and the fastest compared to other Castle cable providers. Vyve Broadband offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Castle is up to 50 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 50.0 Mbps
Central Oklahoma Telephone Company DSL in Castle, OK
Central Oklahoma Telephone Company DSL coverage
About 5.69%, or 39 people, have Central Oklahoma Telephone Company DSL internet available to them in the city. The company covers the west, central, northwest, and north Castle area. Central Oklahoma Telephone Company is a small internet service provider internet service providers in the US, with internet service available in a very small piece of Castle.
Central Oklahoma Telephone Company DSL download speeds
Central Oklahoma Telephone Company is one of the slowest when comparing download speeds to all other internet providers in Castle. Versus other DSL providers in the area, Central Oklahoma Telephone Company DSL is one of the slowest. There are no different maximum speeds throughout Castle. The fastest plan anyone in Castle can order from Central Oklahoma Telephone Company goes up to 10 Mbps, and all Castle customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
Central Oklahoma Telephone Company DSL upload speeds
In Castle download speeds tend to be faster than than upload speeds for Central Oklahoma Telephone Company DSL. Compared to other ISPs, Central Oklahoma Telephone Company is one of the slowest where upload speeds are concerned, and one of the slowest compared to other Castle DSL providers. Central Oklahoma Telephone Company offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Castle is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
Windstream DSL in Castle, OK
Windstream DSL coverage
About 2.92%, or 20 people, have Windstream DSL internet available to them in the city. The company covers the north Castle area. Windstream is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Castle.
Windstream DSL download speeds
Windstream is below average when comparing download speeds to all other internet providers in Castle. Versus other DSL providers in the area, Windstream DSL is the fastest. There are no different maximum speeds throughout Castle. The fastest plan anyone in Castle can order from Windstream goes up to 100 Mbps, and all Castle customers can get this speed.
Show all download speeds
- 100.0% up to 100.0 Mbps
Windstream DSL upload speeds
In Castle download speeds tend to be faster than than upload speeds for Windstream DSL. Compared to other ISPs, Windstream is below average where upload speeds are concerned, and the fastest compared to other Castle DSL providers. Windstream offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Castle is up to 17 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 17.0 Mbps
T-Mobile Home Internet Fixed Wireless in Castle, OK
T-Mobile Home Internet fixed wireless coverage
About 99.12%, or 679 people, have T-Mobile Home Internet fixed wireless internet available to them in the city. The company covers the entire Castle 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 Castle.
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 Castle. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is the fastest. There are 2 different maximum speeds throughout Castle. The fastest plan anyone in Castle 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 Castle customers is up to 72 Mbps.
Show all download speeds
- 62.6% up to 100.0 Mbps
- 37.4% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Castle 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 the fastest compared to other Castle 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 Castle 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 14 Mbps.
Show all upload speeds
- 62.6% up to 20.0 Mbps
- 37.4% up to 3.0 Mbps
US Cellular Fixed Wireless in Castle, OK
US Cellular fixed wireless coverage
About 96.93%, or 664 people, have US Cellular fixed wireless internet available to them in the city. The company covers the entire Castle area. US Cellular is one of the largest internet service providers internet service providers in the US, with internet service available in most of Castle.
US Cellular fixed wireless download speeds
US Cellular is below average when comparing download speeds to all other internet providers in Castle. Versus other fixed wireless providers in the area, US Cellular fixed wireless is average. There are 3 different maximum speeds throughout Castle. The fastest plan anyone in Castle can order from US Cellular goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Castle customers is up to 38 Mbps.
Show all download speeds
- 24.4% up to 100.0 Mbps
- 39.8% up to 25.0 Mbps
- 35.8% up to 10.0 Mbps
US Cellular fixed wireless upload speeds
In Castle 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 average compared to other Castle fixed wireless providers. US Cellular offers 3 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 is up to 20 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 6.4 Mbps.
Show all upload speeds
- 24.4% up to 20.0 Mbps
- 39.8% up to 3.0 Mbps
- 35.8% up to 1.0 Mbps
AtLink Broadband Fixed Wireless in Castle, OK
AtLink Broadband fixed wireless coverage
About 32.85%, or 225 people, have AtLink Broadband fixed wireless internet available to them in the city. The company covers the southeast, east, central, west, northwest, and south Castle area. AtLink Broadband is a large internet service provider internet service providers in the US, with internet service available in a small portion of Castle.
AtLink Broadband fixed wireless download speeds
AtLink Broadband is one of the slowest when comparing download speeds to all other internet providers in Castle. Versus other fixed wireless providers in the area, AtLink Broadband fixed wireless is the slowest. There are no different maximum speeds throughout Castle. The fastest plan anyone in Castle can order from AtLink Broadband goes up to 10 Mbps, and all Castle customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
AtLink Broadband fixed wireless upload speeds
In Castle download speeds tend to be faster than than upload speeds for AtLink Broadband fixed wireless. Compared to other ISPs, AtLink Broadband is one of the slowest where upload speeds are concerned, and the slowest compared to other Castle fixed wireless providers. AtLink Broadband offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Castle is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
Castle Internet by Area
This information is most helpful to those looking for homes or considering moving to Castle or any of the areas nearby.
How does internet in Castle compare to the rest of Oklahoma?
Internet speeds in Castle are slower versus the average speeds in Oklahoma: 3,401 Mbps in Oklahoma versus 2,923 Mbps in the city. The state has similar internet availability compared to the city. Average internet coverage in Oklahoma is 98.43% versus 100.00% in Castle.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around Castle 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
- Okemah, OK: less internet coverage, faster speeds
- IXL, OK: equal internet coverage, slower speeds
- Morse, OK: equal internet coverage, slower speeds
- Bearden, OK: less internet coverage, slower speeds
- Boley, OK: less internet coverage, slower speeds
- Last Chance, OK: equal internet coverage, slower speeds
- Schoolton, OK: equal internet coverage, slower speeds
- Mason, OK: equal internet coverage, slower speeds
- Clearview, OK: equal internet coverage, slower speeds
- Cromwell, OK: less internet coverage, slower speeds
Cities with Similar Populations
- East Tallassee, AL: equal internet coverage, slower speeds
- Ontario on the Lake, NY: equal internet coverage, slower speeds
- Gadsden, AZ: less internet coverage, slower speeds
- Onondaga, NY: equal internet coverage, slower speeds
- Friendship, NC: equal internet coverage, slower speeds
- Omar, WV: less internet coverage, slower speeds
- Franklintown, PA: equal internet coverage, slower speeds
- James Creek, PA: less internet coverage, slower speeds
- Frametown, WV: less internet coverage, slower speeds
- Sollitt, IL: equal internet coverage, slower speeds