In Castner Falls there are 9 residential internet providers covering 100.00% of the city. The average home can get speeds up to 346 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 Castner Falls
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 Castner Falls are not shown.
Castner Falls 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 Castner Falls
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 Castner Falls. 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 3 Rivers. Now you can call companies in Castner Falls with more confidence that they might be available.
How fast are internet speeds in Castner Falls?
The map below shows maximum internet speeds by area in Castner Falls.
Internet Speed Key
The average Castner Falls home can get up to 346 Mbps on their internet plan. For most people, the fastest download speed in the city is 1,000 Mbps, which 28.64% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 5.16% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Castner Falls.
Internet speeds tend to be faster in the northeast parts of Castner Falls, and slower in the east areas of the city.
What type of internet should I choose in Castner Falls?
The fastest internet for you may vary based on where in Castner Falls 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 28.64% of Castner Falls homes.
- Cable is fastest for less than 1% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 71.36%.
- Satellite internet may be the only option for less than 1% of Castner Falls homes.
Internet Market Health in Castner Falls
Internet Competition Key
The map shows how competitive the Castner Falls 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 Castner Falls based on what connections the average home has availabile:
- Average number of internet service providers to a home: 2.6 (very unhealthy)
- Average types of service (fiber, cable, DSL, etc): 1.4 (very unhealthy)
- Average providers with broadband (25 Mbps+) speeds: 1.9 (very unhealthy)
Overall, competition is very unhealthy.
Castner Falls internet customers have the ability to buy internet service from 1 to 5 different providers, depending on where they live. For different types of service, Castner Falls homes have between 1 and 2 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. Castner Falls internet customers who want faster speeds have between 0 and 3 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, Castner Falls badly needs improvement.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in Castner Falls, along with details on where in Castner Falls and at what speeds.
3 Rivers Communications Fiber in Castner Falls, MT
3 Rivers fiber coverage
About 28.64%, or 61 people, have 3 Rivers fiber internet available to them in the city. The company covers the northeast Castner Falls area. 3 Rivers is an average-sized internet service provider internet service providers in the US, with internet service available in a small portion of Castner Falls.
3 Rivers Communications fiber download speeds
3 Rivers is the fastest when comparing download speeds to all other internet providers in Castner Falls. Versus other fiber providers in the area, 3 Rivers fiber is the fastest. There are no different maximum speeds throughout Castner Falls. The fastest plan anyone in Castner Falls can order from 3 Rivers goes up to 1,000 Mbps, and all Castner Falls customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
3 Rivers Communications fiber upload speeds
In Castner Falls download speeds tend to be equal to than upload speeds for 3 Rivers fiber. Compared to other ISPs, 3 Rivers is the fastest where upload speeds are concerned, and the fastest compared to other Castner Falls fiber providers. 3 Rivers offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Castner Falls is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Centurylink DSL in Castner Falls, MT
Centurylink DSL coverage
About 14.08%, or 30 people, have Centurylink DSL internet available to them in the city. The company covers the west and northeast Castner Falls area. Centurylink is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Castner Falls.
Centurylink DSL download speeds
Centurylink is below average when comparing download speeds to all other internet providers in Castner Falls. Versus other DSL providers in the area, Centurylink DSL is the fastest. There are 2 different maximum speeds throughout Castner Falls. The fastest plan anyone in Castner Falls can order from Centurylink goes up to 40 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Castner Falls customers is up to 20 Mbps.
Show all download speeds
- 33.3% up to 40.0 Mbps
- 66.7% up to 10.0 Mbps
Centurylink DSL upload speeds
In Castner Falls download speeds tend to be faster than than upload speeds for Centurylink DSL. Compared to other ISPs, Centurylink is below average where upload speeds are concerned, and the fastest compared to other Castner Falls DSL providers. Centurylink 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 Castner Falls is up to 3.0 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Centurylink customers can get speeds up to 1.7 Mbps.
Show all upload speeds
- 33.3% up to 3.0 Mbps
- 66.7% up to 1.0 Mbps
KDS Networks Fixed Wireless in Castner Falls, MT
KDS Networks fixed wireless coverage
About 94.84%, or 202 people, have KDS Networks fixed wireless internet available to them in the city. The company covers the entire Castner Falls area. KDS Networks is a large internet service provider internet service providers in the US, with internet service available in most of Castner Falls.
KDS Networks fixed wireless download speeds
KDS Networks is below average when comparing download speeds to all other internet providers in Castner Falls. Versus other fixed wireless providers in the area, KDS Networks fixed wireless is below average. There are no different maximum speeds throughout Castner Falls. The fastest plan anyone in Castner Falls can order from KDS Networks goes up to 45 Mbps, and all Castner Falls customers can get this speed.
Show all download speeds
- 100.0% up to 45.0 Mbps
KDS Networks fixed wireless upload speeds
In Castner Falls download speeds tend to be faster than than upload speeds for KDS Networks fixed wireless. Compared to other ISPs, KDS Networks is below average where upload speeds are concerned, and above average compared to other Castner Falls fixed wireless providers. KDS Networks offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Castner Falls is up to 12 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 12.0 Mbps
Montana Internet Fixed Wireless in Castner Falls, MT
Montana Internet fixed wireless coverage
About 48.83%, or 104 people, have Montana Internet fixed wireless internet available to them in the city. The company covers the northeast, west, central, and east Castner Falls area. Montana Internet is a large internet service provider internet service providers in the US, with internet service available in some of Castner Falls.
Montana Internet fixed wireless download speeds
Montana Internet is one of the slowest when comparing download speeds to all other internet providers in Castner Falls. Versus other fixed wireless providers in the area, Montana Internet fixed wireless is one of the slowest. There are no different maximum speeds throughout Castner Falls. The fastest plan anyone in Castner Falls can order from Montana Internet goes up to 10 Mbps, and all Castner Falls customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
Montana Internet fixed wireless upload speeds
In Castner Falls download speeds tend to be faster than than upload speeds for Montana Internet fixed wireless. Compared to other ISPs, Montana Internet is one of the slowest where upload speeds are concerned, and one of the slowest compared to other Castner Falls fixed wireless providers. Montana Internet offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Castner Falls is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
T-Mobile Home Internet Fixed Wireless in Castner Falls, MT
T-Mobile Home Internet fixed wireless coverage
About 47.42%, or 101 people, have T-Mobile Home Internet fixed wireless internet available to them in the city. The company covers the northeast, west, and north Castner Falls area. T-Mobile Home Internet is one of the largest internet service providers internet service providers in the US, with internet service available in some of Castner Falls.
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 Castner Falls. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is below average. There are 2 different maximum speeds throughout Castner Falls. The fastest plan anyone in Castner Falls 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 Castner Falls customers is up to 47 Mbps.
Show all download speeds
- 29.7% up to 100.0 Mbps
- 70.3% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Castner Falls 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 Castner Falls 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 Castner Falls 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 8.0 Mbps.
Show all upload speeds
- 29.7% up to 20.0 Mbps
- 70.3% up to 3.0 Mbps
Softworx Incorporated Fixed Wireless in Castner Falls, MT
Softworx Incorporated fixed wireless coverage
About 18.78%, or 40 people, have Softworx Incorporated fixed wireless internet available to them in the city. The company covers the west and southwest Castner Falls area. Softworx Incorporated is a small internet service provider internet service providers in the US, with internet service available in a small portion of Castner Falls.
Softworx Incorporated fixed wireless download speeds
Softworx Incorporated is one of the slowest when comparing download speeds to all other internet providers in Castner Falls. Versus other fixed wireless providers in the area, Softworx Incorporated fixed wireless is one of the slowest. There are no different maximum speeds throughout Castner Falls. The fastest plan anyone in Castner Falls can order from Softworx Incorporated goes up to 10 Mbps, and all Castner Falls customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
Softworx Incorporated fixed wireless upload speeds
In Castner Falls download speeds tend to be faster than than upload speeds for Softworx Incorporated fixed wireless. Compared to other ISPs, Softworx Incorporated is one of the slowest where upload speeds are concerned, and one of the slowest compared to other Castner Falls fixed wireless providers. Softworx Incorporated offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Castner Falls is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
Verizon Fixed Wireless in Castner Falls, MT
Verizon fixed wireless coverage
About 10.33%, or 22 people, have Verizon fixed wireless internet available to them in the city. The company covers the west and southwest Castner Falls area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Castner Falls.
Verizon fixed wireless download speeds
Verizon is above average when comparing download speeds to all other internet providers in Castner Falls. Versus other fixed wireless providers in the area, Verizon fixed wireless is the fastest. There are no different maximum speeds throughout Castner Falls. The fastest plan anyone in Castner Falls can order from Verizon goes up to 300 Mbps, and all Castner Falls customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In Castner Falls 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 the fastest compared to other Castner Falls fixed wireless providers. Verizon offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Castner Falls is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
Castner Falls Internet by Area
This information is most helpful to those looking for homes or considering moving to Castner Falls or any of the areas nearby.
How does internet in Castner Falls compare to the rest of Montana?
Internet speeds in Castner Falls are slower versus the average speeds in Montana: 1,506 Mbps in Montana versus 346 Mbps in the city. The state has similar internet availability compared to the city. Average internet coverage in Montana is 97.66% versus 100.00% in Castner Falls.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around Castner Falls 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
- Ulm, MT: less internet coverage, slower speeds
- Tracy, MT: less internet coverage, faster speeds
- Malmstrom Air Force Base, MT: less internet coverage, faster speeds
- Gibson Flats, MT: equal internet coverage, faster speeds
- Great Falls, MT: less internet coverage, faster speeds
- Stockett, MT: equal internet coverage, faster speeds
- Sand Coulee, MT: equal internet coverage, faster speeds
- Cascade, MT: less internet coverage, faster speeds
- Black Eagle, MT: less internet coverage, faster speeds
- Vaughn, MT: less internet coverage, faster speeds
Cities with Similar Populations
- Munden, KS: equal internet coverage, faster speeds
- Montebello, VA: less internet coverage, faster speeds
- Montrose, SC: less internet coverage, faster speeds
- Moorefield, NE: less internet coverage, faster speeds
- Moorings, VA: equal internet coverage, faster speeds
- Morristown, WV: less internet coverage, faster speeds
- Morse, WI: less internet coverage, slower speeds
- Mount Cobb, PA: equal internet coverage, faster speeds
- Mount Denson, TN: equal internet coverage, faster speeds
- Mount Hope, WA: equal internet coverage, slower speeds