In Custer there are 5 residential internet providers covering 95.71% of the city. The average home can get speeds up to 989 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.
Jump to Availability Maps
5 Internet Service Providers in Custer
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 Custer are not shown.
Custer 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 Custer
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.
Please note some providers will take longer to load than others
Internet service is available in 95.71% of Custer. 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 Mid-Rivers COMMUNICATIONS. Now you can call companies in Custer with more confidence that they might be available.
How fast are internet speeds in Custer?
The map below shows maximum internet speeds by area in Custer.
Internet Speed Key
The average Custer home can get up to 989 Mbps on their internet plan. For most people, the fastest download speed in the city is 1,000 Mbps, which 94.64% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, less than 1% of homes can only purchase plans up to 30 Mbps. See the internet provider details below for info about their speed and coverage in Custer.
Internet speeds tend to be faster in the east parts of Custer, and slower in the southwest areas of the city.
What type of internet should I choose in Custer?
The fastest internet for you may vary based on where in Custer you live. If speed is your main concern, fiber will be the fastest internet in the city.
- Fiber is the fastest internet type for 94.64% of Custer homes.
- Cable is fastest for less than 1% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 1.07%.
- Satellite internet may be the only option for 4.29% of Custer homes.
Internet Market Health in Custer
Internet Competition Key
The map shows how competitive the Custer 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 Custer based on what connections the average home has availabile:
- Average number of internet service providers to a home: 1.7 (very unhealthy)
- Average types of service (fiber, cable, DSL, etc): 1.6 (very unhealthy)
- Average providers with broadband (25 Mbps+) speeds: 1.5 (very unhealthy)
Overall, competition is very unhealthy.
Custer 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, Custer homes have between 1 and 3 options. The type(s) of service available are fiber, fixed wireless, 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. Custer internet customers who want faster speeds have between 1 and 2 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, Custer badly needs improvement.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in Custer, along with details on where in Custer and at what speeds.
Mid-Rivers COMMUNICATIONS Fiber in Custer, MT
Mid-Rivers COMMUNICATIONS fiber coverage
About 94.64%, or 265 people, have Mid-Rivers COMMUNICATIONS fiber internet available to them in the city. The company covers the entire Custer area. Mid-Rivers COMMUNICATIONS is a large internet service provider internet service providers in the US, with internet service available in most of Custer.
Mid-Rivers COMMUNICATIONS fiber download speeds
Mid-Rivers COMMUNICATIONS is the fastest when comparing download speeds to all other internet providers in Custer. Versus other fiber providers in the area, Mid-Rivers COMMUNICATIONS fiber is the fastest. There are no different maximum speeds throughout Custer. The fastest plan anyone in Custer can order from Mid-Rivers COMMUNICATIONS goes up to 1,000 Mbps, and all Custer customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Mid-Rivers COMMUNICATIONS fiber upload speeds
In Custer download speeds tend to be equal to than upload speeds for Mid-Rivers COMMUNICATIONS fiber. Compared to other ISPs, Mid-Rivers COMMUNICATIONS is the fastest where upload speeds are concerned, and the fastest compared to other Custer fiber providers. Mid-Rivers COMMUNICATIONS offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Custer is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Nemont DSL in Custer, MT
Nemont DSL coverage
About 8.57%, or 24 people, have Nemont DSL internet available to them in the city. The company covers the west, northwest, and southwest Custer area. Nemont is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Custer.
Nemont DSL download speeds
Nemont is the slowest when comparing download speeds to all other internet providers in Custer. Versus other DSL providers in the area, Nemont DSL is the fastest. There are no different maximum speeds throughout Custer. The fastest plan anyone in Custer can order from Nemont goes up to 10 Mbps, and all Custer customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
Nemont DSL upload speeds
In Custer download speeds tend to be faster than than upload speeds for Nemont DSL. Compared to other ISPs, Nemont is the slowest where upload speeds are concerned, and the fastest compared to other Custer DSL providers. Nemont offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Custer 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 Custer, MT
T-Mobile Home Internet fixed wireless coverage
About 49.29%, or 138 people, have T-Mobile Home Internet fixed wireless internet available to them in the city. The company covers the entire Custer 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 Custer.
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 Custer. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is the fastest. There are 2 different maximum speeds throughout Custer. The fastest plan anyone in Custer 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 Custer customers is up to 65 Mbps.
Show all download speeds
- 52.9% up to 100.0 Mbps
- 47.1% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Custer 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 Custer 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 Custer 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 12 Mbps.
Show all upload speeds
- 52.9% up to 20.0 Mbps
- 47.1% up to 3.0 Mbps
Nemont Fixed Wireless in Custer, MT
Nemont fixed wireless coverage
About 11.07%, or 31 people, have Nemont fixed wireless internet available to them in the city. The company covers the west and southwest Custer area. Nemont is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Custer.
Nemont fixed wireless download speeds
Nemont is below average when comparing download speeds to all other internet providers in Custer. Versus other fixed wireless providers in the area, Nemont fixed wireless is the slowest. There are 2 different maximum speeds throughout Custer. The fastest plan anyone in Custer can order from Nemont goes up to 30 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Custer customers is up to 11 Mbps.
Show all download speeds
- 3.2% up to 30.0 Mbps
- 96.8% up to 10.0 Mbps
Nemont fixed wireless upload speeds
In Custer download speeds tend to be faster than than upload speeds for Nemont fixed wireless. Compared to other ISPs, Nemont is below average where upload speeds are concerned, and the slowest compared to other Custer fixed wireless providers. Nemont 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 Custer is up to 30 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Nemont customers can get speeds up to 1.9 Mbps.
Show all upload speeds
- 3.2% up to 30.0 Mbps
- 96.8% up to 1.0 Mbps
Custer Internet by Area
This information is most helpful to those looking for homes or considering moving to Custer or any of the areas nearby.
How does internet in Custer compare to the rest of Montana?
Internet speeds in Custer are slower versus the average speeds in Montana: 1,506 Mbps in Montana versus 989 Mbps in the city. The state has similar internet availability compared to the city. Average internet coverage in Montana is 97.66% versus 95.71% in Custer.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around Custer 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
- Big Horn, MT: less internet coverage, slower speeds
- Pompeys Pillar, MT: more internet coverage, slower speeds
- Myers, MT: more internet coverage, slower speeds
- Hysham, MT: more internet coverage, slower speeds
- Worden, MT: more internet coverage, slower speeds
- Ballantine, MT: more internet coverage, slower speeds
- Hardin, MT: more internet coverage, faster speeds
- Sumatra, MT: less internet coverage, slower speeds
- Sanders, MT: more internet coverage, slower speeds
- Musselshell, MT: more internet coverage, faster speeds
Cities with Similar Populations
- Newton, WA: less internet coverage, slower speeds
- Nemaha, IA: more internet coverage, slower speeds
- Nestlow, WV: less internet coverage, slower speeds
- Nevada Mills, IN: more internet coverage, faster speeds
- New Buena Vista, PA: more internet coverage, faster speeds
- New Elizabethtown, IN: more internet coverage, faster speeds
- New Hampshire, OH: more internet coverage, slower speeds
- New Harmony, MO: more internet coverage, faster speeds
- New Hill, WV: more internet coverage, faster speeds
- New Holland, SD: less internet coverage, faster speeds