In Caldwell there are 4 residential Fiber providers covering 43.23% of the city. The average home can get speeds up to 5,762 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 Caldwell, ID.
To see availability maps for all providers including fiber, cable, DSL, and more in Caldwell, ID please click below.
Caldwell, ID Availability Maps
Fiber Internet Service Providers in Caldwell
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 Caldwell are not shown.
Caldwell 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 Caldwell is fiber internet available?

Fiber Internet Availability Key
Fiber is available in 43.23% of Caldwell. 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 Caldwell above to see who has service at your home.
How fast is fiber internet in Caldwell?
The map below shows maximum fiber internet speeds by area in Caldwell.

Fiber Internet Speed Key
The average Caldwell home can get up to 5,762 Mbps on their fiber internet plan. The fastest fiber download speed in the city is 8,000 Mbps, which 28.01% 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 200 Mbps. See the internet provider details below for info about their speed and coverage in Caldwell.
Fiber internet speeds tend to be faster in the east parts of Caldwell, and slower in the northwest areas of the city.
Is fiber the fastest internet I can get in Caldwell?
The fastest internet for you may vary based on where in Caldwell you live. In general, cable competes most often with fiber in the city.
- Fiber is the fastest internet type for 40.72% of Caldwell homes.
- Cable is fastest for 41.09% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 18.06%.
- Satellite internet may be the only option for less than 1% of Caldwell homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Caldwell, along with details on where in Caldwell and at what speeds.
TDS Fiber in Caldwell, ID

TDS fiber coverage
About 27.80%, or 21,237 people, have TDS fiber internet available to them in the city. The company covers the southeast, east, south, central, and northeast Caldwell area. TDS is a large internet service provider internet service providers in the US, with internet service available in a small portion of Caldwell.
TDS fiber download speeds
TDS is the fastest when comparing download speeds to all other internet providers in Caldwell. Versus other fiber providers in the area, TDS fiber is the fastest. There are no different maximum speeds throughout Caldwell. The fastest plan anyone in Caldwell can order from TDS goes up to 8,000 Mbps, and all Caldwell customers can get this speed.
Show all download speeds
- 100.0% up to 8,000.0 Mbps
TDS fiber upload speeds
In Caldwell 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 Caldwell fiber providers. TDS offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Caldwell is up to 8,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 8,000.0 Mbps
Centurylink Fiber in Caldwell, ID

Centurylink fiber coverage
About 19.71%, or 15,058 people, have Centurylink fiber internet available to them in the city. The company covers the entire Caldwell area. Centurylink is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Caldwell.
Centurylink fiber download speeds
Centurylink is below average when comparing download speeds to all other internet providers in Caldwell. Versus other fiber providers in the area, Centurylink fiber is the slowest. There are 7 different maximum speeds throughout Caldwell. The fastest plan anyone in Caldwell can order from Centurylink goes up to 2,000 Mbps, the slowest package only goes up to 80 Mbps, and the city-wide average maximum speed for Caldwell customers is up to 964 Mbps.
Show all download speeds
- 0.2% up to 2,000.0 Mbps
- 67.2% up to 1,000.0 Mbps
- 30.0% up to 940.0 Mbps
- 0.1% up to 500.0 Mbps
- 1.7% up to 200.0 Mbps
- 0.4% up to 100.0 Mbps
- 0.3% up to 80.0 Mbps
Centurylink fiber upload speeds
In Caldwell download speeds tend to be faster than than upload speeds for Centurylink fiber. Compared to other ISPs, Centurylink is above average where upload speeds are concerned, and below average compared to other Caldwell fiber providers. Centurylink offers 7 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 Caldwell is up to 1,000 Mbps. Some customers have slower plan choices, which only go up to 10 Mbps. On average, Centurylink customers can get speeds up to 924 Mbps.
Show all upload speeds
- 67.5% up to 1,000.0 Mbps
- 24.8% up to 940.0 Mbps
- 0.7% up to 500.0 Mbps
- 6.4% up to 200.0 Mbps
- 0.3% up to 100.0 Mbps
- 0.1% up to 50.0 Mbps
- 0.3% up to 10.0 Mbps
Quantum Fiber Fiber in Caldwell, ID

Quantum Fiber fiber coverage
About 19.42%, or 14,837 people, have Quantum Fiber fiber internet available to them in the city. The company covers the entire Caldwell area. Quantum Fiber is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Caldwell.
Quantum Fiber fiber download speeds
Quantum Fiber is above average when comparing download speeds to all other internet providers in Caldwell. Versus other fiber providers in the area, Quantum Fiber fiber is below average. There are 4 different maximum speeds throughout Caldwell. The fastest plan anyone in Caldwell can order from Quantum Fiber goes up to 8,000 Mbps, the slowest package only goes up to 940 Mbps, and the city-wide average maximum speed for Caldwell customers is up to 1,883 Mbps.
Show all download speeds
- 1.1% up to 8,000.0 Mbps
- 81.6% up to 2,000.0 Mbps
- 1.7% up to 1,000.0 Mbps
- 15.6% up to 940.0 Mbps
Quantum Fiber fiber upload speeds
In Caldwell 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 Caldwell fiber providers. Quantum Fiber offers 3 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 Caldwell is up to 8,000 Mbps. Some customers have slower plan choices, which only go up to 940 Mbps. On average, Quantum Fiber customers can get speeds up to 1,067 Mbps.
Show all upload speeds
- 1.1% up to 8,000.0 Mbps
- 83.3% up to 1,000.0 Mbps
- 15.6% up to 940.0 Mbps
Sparklight Fiber in Caldwell, ID

Sparklight fiber coverage
About 5.43%, or 4,150 people, have Sparklight fiber internet available to them in the city. The company covers the southeast, east, north, south, southwest, and northeast Caldwell area. Sparklight is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Caldwell.
Sparklight fiber download speeds
Sparklight is below average when comparing download speeds to all other internet providers in Caldwell. Versus other fiber providers in the area, Sparklight fiber is below average. There are no different maximum speeds throughout Caldwell. The fastest plan anyone in Caldwell can order from Sparklight goes up to 1,000 Mbps, and all Caldwell customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Sparklight fiber upload speeds
In Caldwell download speeds tend to be faster than than upload speeds for Sparklight fiber. Compared to other ISPs, Sparklight is below average where upload speeds are concerned, and the slowest compared to other Caldwell fiber providers. Sparklight offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Caldwell is up to 50 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 50.0 Mbps
Caldwell Fiber by Area
This information is most helpful to those looking for homes or considering moving to Caldwell or any of the areas nearby.
How does fiber internet in Caldwell compare to the rest of Idaho?
Fiber internet speeds in Caldwell are much faster versus the average speeds in Idaho: 0.00 Mbps in Idaho versus 5,762 Mbps in the city. The state has similar fiber availability compared to the city. Average fiber coverage in Idaho is 0.00% versus 43.23% in Caldwell.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Caldwell 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
- Knowlton Heights, ID: less fiber coverage, faster speeds
- Sunnyslope, ID: more fiber coverage, slower speeds
- Middleton, ID: less fiber coverage, slower speeds
- Greenleaf, ID: less fiber coverage, slower speeds
- Nampa, ID: more fiber coverage, faster speeds
- Star, ID: more fiber coverage, slower speeds
- Marsing, ID: less fiber coverage, slower speeds
- Homedale, ID: more fiber coverage, slower speeds
- Meridian, ID: more fiber coverage, slower speeds
- Eagle, ID: more fiber coverage, slower speeds
Cities with Similar Populations
- Los Angeles, CA: more fiber coverage, slower speeds
- Lehigh Acres, FL: more fiber coverage, slower speeds
- Lafayette, LA: more fiber coverage, faster speeds
- Livermore, CA: less fiber coverage, slower speeds
- Lafayette, IN: more fiber coverage, slower speeds
- Livonia, MI: more fiber coverage, slower speeds
- Lexington, SC: more fiber coverage, slower speeds
- Lawrence, KS: more fiber coverage, slower speeds
- Lawrence, MA: more fiber coverage, slower speeds
- Land O' Lakes, FL: more fiber coverage, faster speeds


