In Castle there are 3 residential Fiber providers covering 87.74% of the city. The average home can get speeds up to 3,320 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.
This page contains all Fiber internet providers in Castle, OK.
To see availability maps for all providers including fiber, cable, DSL, and more in Castle, OK please click below.
Fiber 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
Where in Castle is fiber internet available?

Fiber Internet Availability Key
Fiber is available in 87.74% of Castle. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is Dobson Fiber. Call one of the companies with service in Castle above to see who has service at your home.
How fast is fiber internet in Castle?
The map below shows maximum fiber internet speeds by area in Castle.

Fiber Internet Speed Key
The average Castle home can get up to 3,320 Mbps on their fiber internet plan. The fastest fiber 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, 26.42% of homes can only purchase plans up to 100 Mbps. See the internet provider details below for info about their speed and coverage in Castle.
Fiber internet speeds tend to be faster in the east parts of Castle, and slower in the northwest areas of the city.
Is fiber the fastest internet I can get in Castle?
The fastest internet for you may vary based on where in Castle you live. In general, fixed wireless competes most often with fiber 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.
Fiber 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
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
Castle Fiber 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 fiber internet in Castle compare to the rest of Oklahoma?
Fiber internet speeds in Castle are much faster versus the average speeds in Oklahoma: 0.00 Mbps in Oklahoma versus 3,320 Mbps in the city. The state has similar fiber availability compared to the city. Average fiber coverage in Oklahoma is 0.00% versus 87.74% in Castle.
What zip codes have fiber internet?
Fiber 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 fiber internet 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: more fiber coverage, faster speeds
- IXL, OK: more fiber coverage, slower speeds
- Morse, OK: more fiber coverage, slower speeds
- Bearden, OK: less fiber coverage, slower speeds
- Boley, OK: more fiber coverage, slower speeds
- Last Chance, OK: more fiber coverage, slower speeds
- Schoolton, OK: less fiber coverage, slower speeds
- Mason, OK: more fiber coverage, slower speeds
- Clearview, OK: more fiber coverage, slower speeds
- Cromwell, OK: less fiber coverage, slower speeds
Cities with Similar Populations
- East Tallassee, AL: less fiber coverage, slower speeds
- Ontario on the Lake, NY: less fiber coverage, slower speeds
- Gadsden, AZ: less fiber coverage, slower speeds
- Onondaga, NY: less fiber coverage, slower speeds
- Friendship, NC: less fiber coverage, slower speeds
- Franklintown, PA: less fiber coverage, slower speeds
- Lakeside, MA: more fiber coverage, slower speeds
- Enders, AR: more fiber coverage, slower speeds
- Ellenboro, WV: more fiber coverage, slower speeds
- Surry, NH: less fiber coverage, slower speeds


