In Colfax there are 2 residential DSL providers covering 69.72% of the city. The average home can get speeds up to 86 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 DSL internet providers in Colfax, CA.
To see availability maps for all providers including fiber, cable, DSL, and more in Colfax, CA please click below.
DSL Internet Service Providers in Colfax
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 Colfax are not shown.
Colfax 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 Colfax is DSL internet available?

DSL Internet Availability Key
DSL is available in 69.72% of Colfax. Areas in green have DSL internet service, where areas in yellow or red may not. The most widely available provider is Frontier. Call one of the companies with service in Colfax above to see who has service at your home.
How fast is DSL internet in Colfax?
The map below shows maximum DSL internet speeds by area in Colfax.

DSL Internet Speed Key
The average Colfax home can get up to 86 Mbps on their DSL internet plan. The fastest DSL download speed in the city is 1,000 Mbps, which 2.88% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 35.05% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Colfax.
DSL internet speeds tend to be faster in the central parts of Colfax, and slower in the west areas of the city.
Is DSL the fastest internet I can get in Colfax?
The fastest internet for you may vary based on where in Colfax you live. In general, fiber competes most often with DSL in the city.
- Fiber is the fastest internet type for 78.15% of Colfax homes.
- Cable is fastest for 9.92% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 11.68%.
- Satellite internet may be the only option for less than 1% of Colfax homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Colfax, along with details on where in Colfax and at what speeds.
Frontier Communications DSL in Colfax, CA

Frontier DSL coverage
About 68.77%, or 5,731 people, have Frontier DSL internet available to them in the city. The company covers the entire Colfax area. Frontier is one of the largest internet service providers internet service providers in the US, with internet service available in much of Colfax.
Frontier Communications DSL download speeds
Frontier is below average when comparing download speeds to all other internet providers in Colfax. Versus other DSL providers in the area, Frontier DSL is below average. There are 5 different maximum speeds throughout Colfax. The fastest plan anyone in Colfax can order from Frontier goes up to 115 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Colfax customers is up to 47 Mbps.
Show all download speeds
- 16.8% up to 115.0 Mbps
- 12.0% up to 90.0 Mbps
- 12.4% up to 70.0 Mbps
- 6.1% up to 45.0 Mbps
- 52.7% up to 10.0 Mbps
Frontier Communications DSL upload speeds
In Colfax download speeds tend to be faster than than upload speeds for Frontier DSL. Compared to other ISPs, Frontier is below average where upload speeds are concerned, and average compared to other Colfax DSL providers. Frontier offers 4 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 Colfax is up to 7.0 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Frontier customers can get speeds up to 2.9 Mbps.
Show all upload speeds
- 16.8% up to 7.0 Mbps
- 12.0% up to 5.0 Mbps
- 18.5% up to 3.0 Mbps
- 52.7% up to 1.0 Mbps
Astound Broadband DSL in Colfax, CA

Astound Broadband DSL coverage
About 2.88%, or 240 people, have Astound Broadband DSL internet available to them in the city. The company covers the central, north, and northeast Colfax area. Astound Broadband is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Colfax.
Astound Broadband DSL download speeds
Astound Broadband is above average when comparing download speeds to all other internet providers in Colfax. Versus other DSL providers in the area, Astound Broadband DSL is the fastest. There are no different maximum speeds throughout Colfax. The fastest plan anyone in Colfax can order from Astound Broadband goes up to 1,000 Mbps, and all Colfax customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Astound Broadband DSL upload speeds
In Colfax download speeds tend to be faster than than upload speeds for Astound Broadband DSL. Compared to other ISPs, Astound Broadband is below average where upload speeds are concerned, and the fastest compared to other Colfax DSL providers. Astound Broadband offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Colfax is up to 10 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 10.0 Mbps
Colfax DSL by Area
This information is most helpful to those looking for homes or considering moving to Colfax or any of the areas nearby.
How does DSL internet in Colfax compare to the rest of California?
DSL internet speeds in Colfax are much faster versus the average speeds in California: 0.00 Mbps in California versus 86 Mbps in the city. The state has similar DSL availability compared to the city. Average DSL coverage in California is 0.00% versus 69.72% in Colfax.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Colfax are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does DSL 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
- Shady Glen, CA: more DSL coverage, faster speeds
- Weimar, CA: more DSL coverage, slower speeds
- Heather Glen, CA: less DSL coverage, slower speeds
- Magra, CA: more DSL coverage, slower speeds
- Alta Sierra, CA: less DSL coverage, slower speeds
- Applegate, CA: more DSL coverage, slower speeds
- Meadow Vista, CA: more DSL coverage, slower speeds
- Foresthill, CA: more DSL coverage, faster speeds
- Iowa Hill, CA: less DSL coverage, slower speeds
- Grass Valley, CA: less DSL coverage, slower speeds
Cities with Similar Populations
- Hilliard, FL: more DSL coverage, faster speeds
- Riverside, CT: less DSL coverage, slower speeds
- Lagrange, IN: more DSL coverage, slower speeds
- La Trocha, PR: more DSL coverage, slower speeds
- La Junta, CO: more DSL coverage, slower speeds
- Kingston, WA: more DSL coverage, slower speeds
- Jefferson, WI: less DSL coverage, slower speeds
- Indiantown, FL: less DSL coverage, slower speeds
- Holtville, CA: more DSL coverage, slower speeds
- Holly Ridge, NC: more DSL coverage, slower speeds


