Best Internet Providers in Custer County, MT
All 7 providers, ranked by coverage, speed and customer ratings
Find internet availability by address in Custer County, MT
Custer County has 7 internet service providers, they are sorted by coverage, available speed, and customer rating from our unbiased internet provider report. Fiber, Cable, Fixed Wireless, and DSL internet are available in the county. Reviews are grouped by provider and the type of service they offer, covering all 4 available internet technologies in Custer County.
Ranks compare Custer County with the 56 Montana counties.
The Best Internet in Custer County, MT at a Glance
Custer County Internet Providers, Ranked by Coverage, Speed and Customer Ratings
CenturyLink
Connection
Customer Rating
DSL
Mid-Rivers Communications
Connection
Customer Rating
Fiber
Cable
DSL
Fixed Wireless
EarthLink
Connection
Customer Rating
Fixed Wireless
T-Mobile Home Internet
Connection
Customer Rating
Fixed Wireless
Providers with less than 1% coverage in this county are excluded from the list. To see if one of these providers is available at your home, please use the address search above.
Speed and technology may vary by address for all providers. Please note we may have a financial relationship with some of the providers above, which does not impact the customer ratings displayed. Customer ratings listed above are national ratings, local Custer County ratings may vary and are shown below.
Who is the Best Internet Provider in Custer County, MT?
T-Mobile Home Internet is the best internet provider in Custer County based on Montana customer satisfaction ratings and reviews. Based on our extensive and unbiased survey, T-Mobile Home Internet had the best reviews at the local, state, and national levels versus all available providers in Custer County, making it a solid recommendation among providers with reviews. T-Mobile Home Internet is an option for 92.15% of the county.
Click here to get T-Mobile Home Internet
or call 1-833-601-2935
Which Providers are Available at my Home in Custer County?
Coverage changes block by block. Pick a provider and a technology to see where its service reaches: the darker the area, the larger the share of homes it covers. For your exact address, use the address search above.
Coverage map for each provider in Custer County
- Mid-Rivers COMMUNICATIONS - cable coverage map
- Verizon - fixed wireless coverage map
- Mid-Rivers COMMUNICATIONS - fiber coverage map
- AT&T - fixed wireless coverage map
- EarthLink - fixed wireless coverage map
- T-Mobile Home Internet - fixed wireless coverage map
- Range - fiber coverage map
- CenturyLink - dsl coverage map
- Range - dsl coverage map
- Mid-Rivers COMMUNICATIONS - fixed wireless coverage map
- Mid-Rivers COMMUNICATIONS - dsl coverage map
How Custer County Compares to the Rest of Montana
Custer County's report card score is tied 29th of 56 and its connectivity index is tied 42nd of 56.
| Measure | Custer County | Rank among Montana counties | Montana | US | Leader |
|---|---|---|---|---|---|
| ISP Report Card inputs: what providers offer here | |||||
| Fiber availability | 11.9% | 53rd of 56 | 50.8% | 71.5% | Wibaux County (100.0%) |
| Average top speed | 878 Mbps | 24th of 56 | 1,744 Mbps | 3,486 Mbps | Silver Bow County (3,622 Mbps) |
| Providers at a typical address | 5.4 | 9th of 56 | 5.7 | 7.1 | Gallatin County (7.2) |
| Connectivity index inputs: how much households need and use the internet | |||||
| People per household | 2.3 | Tied 37th of 56 | 2.4 | 2.7 | Big Horn County and Roosevelt County (3.5) |
| Workers who work from home | 5% | Tied 55th of 56 | 13% | 15% | Garfield County (44%) |
| Homes with a computer, tablet or phone | 95% | Tied 11th of 56 | 95% | 96% | Gallatin County (98%) |
| Homes with internet | 90% | Tied 13th of 56 | 90% | 91% | Fallon County (95%) |
| Homes on fiber, cable or DSL | 64% | Tied 25th of 56 | 69% | 76% | Phillips County (82%) |
| More about the households here | |||||
| Homes with a desktop or laptop | 80% | Tied 14th of 56 | 81% | 81% | Gallatin County (91%) |
| Median household income | $72,289 | 18th of 56 | $77,933 | $93,246 | Gallatin County ($97,455) |
| Residents in school (6th grade to college) | 13% | Tied 18th of 56 | 14% | 16% | Gallatin County (20%) |
Fiber reaches 11.9% of homes in Custer County, against 50.8% across Montana. Households in Custer County are smaller than the US average (2.3 people against 2.7); 5% of workers work from home (US 15%); and the median household income is $72,289 (US $93,246).
Our demographic data is sourced from the latest 5-year release of the American Community Survey by the US Census Bureau.
How Custer County Compares to Its Neighbors
Custer County has 6 neighbors. Among them, Prairie County has the most homes with fiber (97.2%) and Garfield County the fewest (50.8%); Custer County has 11.9%.
Map of Custer County and its neighbors by ISP Report Card grade
Hover over or tap a county for its numbers, and click through to its page.
Custer County and its neighbors
| County | People | Homes with fiber | Average top speed | Providers at a typical address | Report card | Connectivity |
|---|---|---|---|---|---|---|
| Custer County (this page) | 11,867 | 11.9% | 878 Mbps | 5.4 | D+ | 40/100 |
| Rosebud County | 8,329 | 51.7% | 555 Mbps | 3.4 | D+ | 33/100 |
| Fallon County | 3,049 | 96.4% | 985 Mbps | 1.2 | C- | 46/100 |
| Powder River County | 1,694 | 61.6% | 682 Mbps | 2 | D | 51/100 |
| Carter County | 1,415 | 75.5% | 805 Mbps | 1.6 | D+ | 41/100 |
| Garfield County | 1,173 | 50.8% | 772 Mbps | 1.7 | D | 63/100 |
| Prairie County | 1,088 | 97.2% | 995 Mbps | 2.5 | C | 44/100 |
Internet in Custer County by City and ZIP Code
Each row links to that place’s page.
Cities and towns in Custer County
| City or town | People | Homes with fiber | Average top speed | Providers at a typical address | Report card | Connectivity |
|---|---|---|---|---|---|---|
| Miles City | 10,739 | 8.6% | 903 Mbps | 5.7 | C- | 39/100 |
| Kinsey | 358 | 46.9% | 545 Mbps | 2.5 | D | 32/100 |
| Ismay | 192 | 38.5% | 686 Mbps | 1.7 | D | 52/100 |
| Crow Rock | 186 | 79.6% | 901 Mbps | 3.3 | C- | 69/100 |
| Mizpah | 151 | 38.4% | 676 Mbps | 1.5 | D | 68/100 |
| Garland | 148 | 29.1% | 350 Mbps | 1.1 | D- | 73/100 |
| Hathaway | 106 | 1.9% | 367 Mbps | 3.7 | D | 52/100 |
ZIP codes in Custer County
| ZIP code | People | Homes with fiber | Average top speed | Providers at a typical address | Report card | Connectivity |
|---|---|---|---|---|---|---|
| 59301 (Miles City) | 11,571 | 11.9% | 890 Mbps | 5.5 | C- | 40/100 |
| 59336 (Ismay) | 231 | 23.4% | 533 Mbps | 1.5 | D- | 56/100 |
| 59338 (Kinsey) | 114 | 0.0% | 100 Mbps | 1.5 | F | 31/100 |
Who is the Fastest Internet Provider in Custer County?
According to unbiased feedback from real internet customers, they reported being happiest with speeds provided by T-Mobile Home Internet. On the other hand, based on data provided by the internet providers to the FCC, Mid-Rivers COMMUNICATIONS should have faster speeds at a local level. While we typically put more weight on real-world customer ratings, we display both satisfaction and technical maximum information for customers to decide for themselves.
Data Reported to FCC by ISPs: Average Maximum Available in Custer County
| Mid-Rivers COMMUNICATIONS | 1,000 |
|---|---|
| Range | 1,000 |
| Verizon | 300 |
| Viasat | 100 |
| T-Mobile Home Internet | 100 |
| AT&T | 100 |
| EarthLink | 100 |
| CenturyLink | 100 |
| HughesNet | 25 |
How fast is your internet?
Test your connection here and see it next to the speeds providers advertise in Custer County. It takes about 20 seconds and, on a fast line, can move a few hundred MB of data.
Customer Ratings for Custer County Internet Providers
Based on 5 reviews from Montana internet customers, T-Mobile Home Internet is the best internet service provider for Custer County residents. T-Mobile Home Internet was rated at an average of 4.00 out of 5 in our report for overall customer satisfaction. CenturyLink wins for second-place in Montana, with 2.67 out of 5 stars and 85.5% coverage in Custer County.
At a national level, based on 2409 national reviews for any of the providers listed above, T-Mobile Home Internet is rated higher than any other provider, with a rating of 4.02 out of 5.
Local, State, and National Ratings for all Custer County Internet Providers
The table below shows average customer ratings from customers in Custer County, Montana, and customers throughout the country.
| ISP / Tech Type | Custer County Overall | Montana Overall | National Overall | For Service | ||
|---|---|---|---|---|---|---|
| T-Mobile Home Internet | (0) | (1) | (342) | View Plans | ||
| CenturyLink | (0) |  (3) | (183) | View Plans | ||
| Range | (0) |  (1) |  (2) | View Plans | ||
| HughesNet | (0) | (0) | (25) | View Plans | ||
| Verizon | (0) | (0) | (816) | View Plans | ||
| AT&T | (0) | (0) | (1051) | View Plans | ||
| EarthLink | (0) | (0) | (15) | View Plans | ||
| Viasat | (0) | (0) |  (12) | View Plans | ||
| Mid-Rivers Communications | (0) | (0) | (0) | View Plans |
Customer Ratings for Internet Provider Speeds in Custer County
Based on data reported by Custer County ISPs to the FCC, the fastest speeds in the county are available through Mid-Rivers COMMUNICATIONS. The company offers speeds up to 1,000 Mbps in Custer County. Therefore, the average customer can get up to 901 Mbps if they’re willing to purchase the fastest subscription tier available at their homes.
However, actual customers rated their satisfaction with internet speed highest with T-Mobile Home Internet. This indicates T-Mobile Home Internet reliably delivers speeds expected by the customer based on the plan they are paying for.
| ISP / Tech Type | Custer County Speed | Montana Speed | National Speed | For Service | ||
|---|---|---|---|---|---|---|
| T-Mobile Home Internet | (0) | (1) | (342) | View Plans | ||
| Range | (0) | (1) | (2) | View Plans | ||
| CenturyLink | (0) | (3) | (183) | View Plans | ||
| HughesNet | (0) | (0) | (25) | View Plans | ||
| Verizon | (0) | (0) | (816) | View Plans | ||
| AT&T | (0) | (0) | (1051) | View Plans | ||
| EarthLink | (0) | (0) | (15) | View Plans | ||
| Viasat | (0) | (0) | (12) | View Plans | ||
| Mid-Rivers Communications | (0) | (0) | (0) | View Plans |
Who is the Cheapest Internet Provider in Custer County?
Of the providers in Custer County, customers rate T-Mobile Home Internet the best for price. Data comes from customers rating their satisfaction with pricing: in Custer County where enough of them have reviewed a provider, otherwise across Montana or the country. This feedback is valuable because it considers price changes and whether the speeds paid for are worth it.
T-Mobile Home Internet is rated 5.00 out of 5 for price, which is much higher than the average across all internet providers in the country. CenturyLink is rated second for affordability, with an average price rating of 3.33 out of 5.
The table below shows how customers in Custer County, Montana, and the United States rated the affordability of their internet service.
Rated Affordability in Custer County
| ISP / Tech Type | Custer County Affordability | Montana Affordability | National Affordability | For Service | ||
|---|---|---|---|---|---|---|
| T-Mobile Home Internet | (0) |  (1) | (342) | View Plans | ||
| Range | (0) | (1) | (2) | View Plans | ||
| CenturyLink | (0) | (3) | (183) | View Plans | ||
| HughesNet | (0) | (0) | (25) | View Plans | ||
| Verizon | (0) | (0) | (816) | View Plans | ||
| AT&T | (0) | (0) | (1051) | View Plans | ||
| EarthLink | (0) | (0) | (15) | View Plans | ||
| Viasat | (0) | (0) | (12) | View Plans | ||
| Mid-Rivers Communications | (0) | (0) | (0) | View Plans |
Fiber, 5G, Cable and DSL Internet in Custer County
Which Fiber Internet Providers are Available in Custer County?
Mid-Rivers COMMUNICATIONS Fiber in Custer County, MT
Availability:
10.5%
Customer Rating:
(0)
Avg. Download Speed
1,000 Mbps
Mid-Rivers COMMUNICATIONS offers Fiber service to 10.5% of Custer County homes. Across the county, Mid-Rivers COMMUNICATIONS Fiber has speeds up to 1,000 Mbps
Range Fiber in Custer County, MT
Availability:
1.9%
Customer Rating:
(0)
Avg. Download Speed
1,000 Mbps
Range offers Fiber service to 1.9% of Custer County homes. Across the county, Range Fiber has speeds up to 1,000 Mbps
Which Fixed Wireless and LTE Internet Providers are Available in Custer County?
T-Mobile Home Internet Fixed Wireless in Custer County, MT
Availability:
92.2%
Customer Rating:
(342)
Avg. Download Speed
37 Mbps
T-Mobile Home Internet offers Fixed Wireless service to 92.2% of Custer County homes. Across the county, T-Mobile Home Internet Fixed Wireless is the only type of service available from the company, with speeds up to 37 Mbps, with speeds from 25 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 3.0 and as high as 20, with an average of 5.7 Mbps throughout the county.
EarthLink Fixed Wireless in Custer County, MT
Availability:
88.6%
Customer Rating:
(4)
Avg. Download Speed
61 Mbps
EarthLink offers Fixed Wireless service to 88.6% of Custer County homes. Across the county, EarthLink Fixed Wireless is the only type of service available from the company, with speeds up to 61 Mbps, with speeds from 25 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 3.0 and as high as 20, with an average of 11 Mbps throughout the county.
AT&T Fixed Wireless in Custer County, MT
Availability:
88.6%
Customer Rating:
(205)
Avg. Download Speed
61 Mbps
AT&T offers Fixed Wireless service to 88.6% of Custer County homes. Across the county, AT&T Fixed Wireless is the only type of service available from the company, with speeds up to 61 Mbps, with speeds from 25 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 3.0 and as high as 20, with an average of 11 Mbps throughout the county.
Verizon Fixed Wireless in Custer County, MT
Availability:
73.2%
Customer Rating:
(362)
Avg. Download Speed
296 Mbps
Verizon offers Fixed Wireless service to 73.2% of Custer County homes. Across the county, Verizon Fixed Wireless is the only type of service available from the company, with speeds up to 296 Mbps, with speeds from 25 Mpbs up to 300 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 6.0 and as high as 20, with an average of 20 Mbps throughout the county.
Mid-Rivers COMMUNICATIONS Fixed Wireless in Custer County, MT
Availability:
1.3%
Customer Rating:
(0)
Avg. Download Speed
25 Mbps
Mid-Rivers COMMUNICATIONS offers Fixed Wireless service to 1.3% of Custer County homes. Across the county, Mid-Rivers COMMUNICATIONS Fixed Wireless has speeds up to 25 Mbps
Which Cable Internet Providers are Available in Custer County?
Mid-Rivers COMMUNICATIONS Cable in Custer County, MT
Availability:
85.0%
Customer Rating:
(0)
Avg. Download Speed
900 Mbps
Mid-Rivers COMMUNICATIONS offers Cable service to 85.0% of Custer County homes. Across the county, Mid-Rivers COMMUNICATIONS Cable has speeds up to 900 Mbps
Which DSL Internet Providers are Available in Custer County?
CenturyLink DSL in Custer County, MT
Availability:
85.5%
Customer Rating:
(120)
Avg. Download Speed
16 Mbps
CenturyLink offers DSL service to 85.5% of Custer County homes. Across the county, CenturyLink DSL is the only type of service available from the company, with speeds up to 16 Mbps, with speeds from 10 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 1.0 and as high as 10, with an average of 1.5 Mbps throughout the county.
Range DSL in Custer County, MT
Availability:
2.8%
Customer Rating:
(2)
Avg. Download Speed
31 Mbps
Range offers DSL service to 2.8% of Custer County homes. Across the county, Range DSL has speeds up to 31 Mbps, with speeds from 10 Mpbs up to 50 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 1.0 and as high as 20, with an average of 11 Mbps throughout the county. Range DSL is rated the same as other types of internet service available in Custer County from Range in terms of customer satisfaction.
Mid-Rivers COMMUNICATIONS DSL in Custer County, MT
Availability:
1.2%
Customer Rating:
(0)
Avg. Download Speed
10 Mbps
Mid-Rivers COMMUNICATIONS offers DSL service to 1.2% of Custer County homes. Across the county, Mid-Rivers COMMUNICATIONS DSL has speeds up to 10 Mbps
Customer Reviews for Internet Service Providers in Montana
Customer Reviews
A Kalispell, MT Customer
Spectrum Cable
March 22, 2026 We currently have 500MB+ speed service with phone as well from Spectrum. They are currently charging around 110 a month which is reasonable for service. We started about 8 years ago and had to have crews install in our area so we could get off Centurylink. I have had consistent service with them and have had no problems. I'd give them a 9/10.
A Lame Deer, MT Customer
Range DSL
February 09, 2026 I have quite a few internet providers, not to mention helped a few as well. I have not seen a internet provider not allow access to the modems that they provide, with the default settings that are set overlap neighbors wifi and make service almost impossible to use.as well as during installation put a router and modem on a microwave and except it not to fry the router. Then blame the client for destroying the router minutes after installing it. I get that there service is limited in certain areas.
Joe N
3 Rivers Fiber
October 24, 2025 3 Rivers Communication is the only option in my rural community. With that, they can set prices as they see fit without having to worry about competition. While I currently view the price as fair for the speeds offered, I do with prices were more affordable. One benefit is that taxes and fees are included with the price, so the listed price you see on their site is their rate.
Ronnie.S
Spectrum Cable
September 28, 2025 Spectrum provides reliable internet service in the 59102 area. Speeds are generally good for streaming, remote work, and everyday use. While pricing isn’t the lowest, it’s reasonable considering the service quality. Customer service could be better, but installation was smooth and outages are rare.
Hannah S
Access Montana Fixed Wireless
June 27, 2025 I have been fairly happy with my internet provider. The installation was fairly fast and done well and they were very informative while setting everything up. The price of our internet service isn't my favorite being close to $60/ month, but I know there are others who pay higher amounts so it's something I have to accept. But I really do enjoy my internet providers customer service. We had an issue with our internet not working over the summer and they worked diligently with us to get it back working as soon as possible, even having a service tech come re-run new cable on a weekend for us. We were so thankful. And we rarely do have issues, so overall Access Montana has been a great provider for us.
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Which ISP Should You Choose in Custer County?
The right ISP for you depends upon your needs, but in general we can make the following suggestions:
- The best all-around internet service provider in Custer County is T-Mobile Home Internet.
- The fastest internet provider should be Mid-Rivers COMMUNICATIONS. Considering speed for the money and reliability in speeds, T-Mobile Home Internet may be a better choice based on real-world local customer feedback.
- The most affordable internet provider in Custer County is T-Mobile Home Internet.
- Viasat, Mid-Rivers COMMUNICATIONS, and HughesNet has the broadest coverage in Custer County, available to 93.4% of homes, and is most likely to cover your home. To find out exactly what’s available at your home, please use our address search tool.