In Cassia County there are 6 residential Fiber providers covering 76.51% of the county. The average home can get speeds up to 4,315 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 Cassia County, ID.
To see availability maps for all providers including fiber, cable, DSL, and more in Cassia County, ID please click below.
Cassia County, ID Availability Maps
Fiber Internet Service Providers in Cassia County
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 Cassia County are not shown.
Cassia County 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 Cassia County is fiber internet available?

Fiber Internet Availability Key
Fiber is available in 76.51% of Cassia County. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is TDS. Call one of the companies with service in Cassia County above to see who has service at your home.
How fast is fiber internet in Cassia County?
The map below shows maximum fiber internet speeds by area in Cassia County.

Fiber Internet Speed Key
The average Cassia County home can get up to 4,315 Mbps on their fiber internet plan. The fastest fiber download speed in the county is 8,000 Mbps, which 36.14% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 39.73% of homes can only purchase plans up to 1,000 Mbps. See the internet provider details below for info about their speed and coverage in Cassia County.
Fiber internet speeds tend to be faster in the north parts of Cassia County, and slower in the southwest areas of the county.
Is fiber the fastest internet I can get in Cassia County?
The fastest internet for you may vary based on where in Cassia County you live. In general, fixed wireless competes most often with fiber in the county.
- Fiber is the fastest internet type for 76.51% of Cassia County homes.
- Cable is fastest for less than 1% of the county.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 22.69%.
- Satellite internet may be the only option for less than 1% of Cassia County homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Cassia County, along with details on where in Cassia County and at what speeds.
pmt Fiber in Cassia County, ID

pmt fiber coverage
About 60.94%, or 15,025 people, have pmt fiber internet available to them in the county. The company covers the north, northwest, southwest, central, west, northeast, and south Cassia County area. pmt is a large internet service provider internet service providers in the US, with internet service available in a majority of Cassia County.
pmt fiber download speeds
pmt is above average when comparing download speeds to all other internet providers in Cassia County. Versus other fiber providers in the area, pmt fiber is below average. There are no different maximum speeds throughout Cassia County. The fastest plan anyone in Cassia County can order from pmt goes up to 1,000 Mbps, and all Cassia County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
pmt fiber upload speeds
In Cassia County download speeds tend to be equal to than upload speeds for pmt fiber. Compared to other ISPs, pmt is above average where upload speeds are concerned, and below average compared to other Cassia County fiber providers. pmt offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Cassia County is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Fybercom Fiber in Cassia County, ID

Fybercom fiber coverage
About 44.75%, or 11,033 people, have Fybercom fiber internet available to them in the county. The company covers the north, northwest, central, and west Cassia County area. Fybercom is a large internet service provider internet service providers in the US, with internet service available in some of Cassia County.
Fybercom fiber download speeds
Fybercom is above average when comparing download speeds to all other internet providers in Cassia County. Versus other fiber providers in the area, Fybercom fiber is below average. There are no different maximum speeds throughout Cassia County. The fastest plan anyone in Cassia County can order from Fybercom goes up to 1,000 Mbps, and all Cassia County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Fybercom fiber upload speeds
In Cassia County download speeds tend to be equal to than upload speeds for Fybercom fiber. Compared to other ISPs, Fybercom is above average where upload speeds are concerned, and below average compared to other Cassia County fiber providers. Fybercom offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Cassia County is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
TDS Fiber in Cassia County, ID

TDS fiber coverage
About 36.14%, or 8,910 people, have TDS fiber internet available to them in the county. The company covers the north, northwest, central, and west Cassia County area. TDS is a large internet service provider internet service providers in the US, with internet service available in some of Cassia County.
TDS fiber download speeds
TDS is the fastest when comparing download speeds to all other internet providers in Cassia County. Versus other fiber providers in the area, TDS fiber is the fastest. There are no different maximum speeds throughout Cassia County. The fastest plan anyone in Cassia County can order from TDS goes up to 8,000 Mbps, and all Cassia County customers can get this speed.
Show all download speeds
- 100.0% up to 8,000.0 Mbps
TDS fiber upload speeds
In Cassia County download speeds tend to be equal to than upload speeds for TDS fiber. Compared to other ISPs, TDS is the fastest where upload speeds are concerned, and the fastest compared to other Cassia County fiber providers. TDS offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Cassia County is up to 8,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 8,000.0 Mbps
ATC Communications (Idaho) Fiber in Cassia County, ID

ATC Communications fiber coverage
About 11.72%, or 2,889 people, have ATC Communications fiber internet available to them in the county. The company covers the central, east, southeast, south, northeast, and north Cassia County area. ATC Communications is a small internet service provider internet service providers in the US, with internet service available in a very small piece of Cassia County.
ATC Communications (Idaho) fiber download speeds
ATC Communications is above average when comparing download speeds to all other internet providers in Cassia County. Versus other fiber providers in the area, ATC Communications fiber is below average. There are no different maximum speeds throughout Cassia County. The fastest plan anyone in Cassia County can order from ATC Communications goes up to 1,000 Mbps, and all Cassia County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
ATC Communications (Idaho) fiber upload speeds
In Cassia County download speeds tend to be equal to than upload speeds for ATC Communications fiber. Compared to other ISPs, ATC Communications is above average where upload speeds are concerned, and below average compared to other Cassia County fiber providers. ATC Communications offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Cassia County is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
ETS Fiber in Cassia County, ID

ETS fiber coverage
About 6.25%, or 1,540 people, have ETS fiber internet available to them in the county. The company covers the north and northwest Cassia County area. ETS is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Cassia County.
ETS fiber download speeds
ETS is above average when comparing download speeds to all other internet providers in Cassia County. Versus other fiber providers in the area, ETS fiber is below average. There are no different maximum speeds throughout Cassia County. The fastest plan anyone in Cassia County can order from ETS goes up to 1,000 Mbps, and all Cassia County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
ETS fiber upload speeds
In Cassia County download speeds tend to be equal to than upload speeds for ETS fiber. Compared to other ISPs, ETS is above average where upload speeds are concerned, and below average compared to other Cassia County fiber providers. ETS offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Cassia County is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Quantum Fiber Fiber in Cassia County, ID

Quantum Fiber fiber coverage
About 1.14%, or 281 people, have Quantum Fiber fiber internet available to them in the county. The company covers the central and north Cassia County area. Quantum Fiber is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Cassia County.
Quantum Fiber fiber download speeds
Quantum Fiber is above average when comparing download speeds to all other internet providers in Cassia County. Versus other fiber providers in the area, Quantum Fiber fiber is below average. There are 2 different maximum speeds throughout Cassia County. The fastest plan anyone in Cassia County can order from Quantum Fiber goes up to 2,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the county-wide average maximum speed for Cassia County customers is up to 1,562 Mbps.
Show all download speeds
- 56.2% up to 2,000.0 Mbps
- 43.8% up to 1,000.0 Mbps
Quantum Fiber fiber upload speeds
In Cassia County download speeds tend to be faster than than upload speeds for Quantum Fiber fiber. Compared to other ISPs, Quantum Fiber is above average where upload speeds are concerned, and below average compared to other Cassia County fiber providers. Quantum Fiber offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Cassia County is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Cassia County Fiber by Area
This information is most helpful to those looking for homes or considering moving to Cassia County or any of the areas nearby.
How does fiber internet in Cassia County compare to the rest of Idaho?
Fiber internet speeds in Cassia County are much faster versus the average speeds in Idaho: 0.00 Mbps in Idaho versus 4,315 Mbps in the county. The state has similar fiber availability compared to the county. Average fiber coverage in Idaho is 0.00% versus 76.51% in Cassia County.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Cassia County 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 counties?
Below are counties nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Counties
- Twin Falls County, ID: less fiber coverage, slower speeds
- Bear Lake County, ID: less fiber coverage, slower speeds
- Lake County, OR: less fiber coverage, slower speeds
- Jackson County, OR: less fiber coverage, slower speeds
- Josephine County, OR: more fiber coverage, slower speeds
- Sioux County, NE: less fiber coverage, slower speeds
- Brown County, NE: more fiber coverage, slower speeds
- Rock County, NE: less fiber coverage, slower speeds
- Holt County, NE: more fiber coverage, slower speeds
- Cedar County, NE: less fiber coverage, slower speeds
Counties with Similar Populations
- Taos County, NM: more fiber coverage, slower speeds
- Gooding County, ID: less fiber coverage, slower speeds
- Stone County, MS: more fiber coverage, slower speeds
- Sullivan County, IN: less fiber coverage, slower speeds
- Giles County, VA: less fiber coverage, slower speeds
- Giles County, TN: more fiber coverage, slower speeds
- Gilchrist County, FL: more fiber coverage, slower speeds
- George County, MS: more fiber coverage, slower speeds
- Geneva County, AL: more fiber coverage, slower speeds
- Gallia County, OH: less fiber coverage, slower speeds


