In Colusa County there are 3 residential DSL providers covering 42.24% of the county. The average home can get speeds up to 14 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 Colusa County, CA.
To see availability maps for all providers including fiber, cable, DSL, and more in Colusa County, CA please click below.
Colusa County, CA Availability Maps
DSL Internet Service Providers in Colusa 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 Colusa County are not shown.
Colusa 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 Colusa County is DSL internet available?
DSL Internet Availability Key
DSL is available in 42.24% of Colusa County. 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 Colusa County above to see who has service at your home.
How fast is DSL internet in Colusa County?
The map below shows maximum DSL internet speeds by area in Colusa County.
DSL Internet Speed Key
The average Colusa County home can get up to 14 Mbps on their DSL internet plan. The fastest DSL download speed in the county is 115 Mbps, which less than 1% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 38.89% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Colusa County.
DSL internet speeds tend to be faster in the northeast parts of Colusa County, and slower in the west areas of the county.
Is DSL the fastest internet I can get in Colusa County?
The fastest internet for you may vary based on where in Colusa County you live. In general, fiber competes most often with DSL in the county.
- Fiber is the fastest internet type for 72.93% of Colusa County homes.
- Cable is fastest for less than 1% of the county.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 25.72%.
- Satellite internet may be the only option for less than 1% of Colusa County homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Colusa County, along with details on where in Colusa County and at what speeds.
Frontier Communications DSL in Colusa County, CA
Frontier DSL coverage
About 41.76%, or 9,120 people, have Frontier DSL internet available to them in the county. The company covers the entire Colusa County area. Frontier is one of the largest internet service providers internet service providers in the US, with internet service available in some of Colusa County.
Frontier Communications DSL download speeds
Frontier is the slowest when comparing download speeds to all other internet providers in Colusa County. Versus other DSL providers in the area, Frontier DSL is the slowest. There are 5 different maximum speeds throughout Colusa County. The fastest plan anyone in Colusa County can order from Frontier goes up to 115 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Colusa County customers is up to 12 Mbps.
Show all download speeds
- 0.5% up to 115.0 Mbps
- 0.2% up to 90.0 Mbps
- 0.6% up to 70.0 Mbps
- 3.8% up to 45.0 Mbps
- 94.9% up to 10.0 Mbps
Frontier Communications DSL upload speeds
In Colusa County download speeds tend to be faster than than upload speeds for Frontier DSL. Compared to other ISPs, Frontier is the slowest where upload speeds are concerned, and the slowest compared to other Colusa County DSL providers. Frontier offers 4 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Colusa County 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 1.1 Mbps.
Show all upload speeds
- 0.5% up to 7.0 Mbps
- 0.2% up to 5.0 Mbps
- 4.4% up to 3.0 Mbps
- 94.9% up to 1.0 Mbps
AT&T DSL in Colusa County, CA
AT&T DSL coverage
About 1.34%, or 292 people, have AT&T DSL internet available to them in the county. The company covers the northwest, east, northeast, and central Colusa County area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Colusa County.
AT&T DSL download speeds
AT&T is below average when comparing download speeds to all other internet providers in Colusa County. Versus other DSL providers in the area, AT&T DSL is one of the fastest. There are 3 different maximum speeds throughout Colusa County. The fastest plan anyone in Colusa County can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Colusa County customers is up to 55 Mbps.
Show all download speeds
- 16.8% up to 100.0 Mbps
- 74.7% up to 50.0 Mbps
- 8.6% up to 10.0 Mbps
AT&T DSL upload speeds
In Colusa County download speeds tend to be faster than than upload speeds for AT&T DSL. Compared to other ISPs, AT&T is below average where upload speeds are concerned, and one of the fastest compared to other Colusa County DSL providers. AT&T offers 3 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Colusa County is up to 20 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, AT&T customers can get speeds up to 11 Mbps.
Show all upload speeds
- 16.8% up to 20.0 Mbps
- 74.7% up to 10.0 Mbps
- 8.6% up to 1.0 Mbps
EarthLink DSL in Colusa County, CA
EarthLink DSL coverage
About 1.34%, or 292 people, have EarthLink DSL internet available to them in the county. The company covers the northwest, east, northeast, and central Colusa County area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Colusa County.
EarthLink DSL download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Colusa County. Versus other DSL providers in the area, EarthLink DSL is one of the fastest. There are 3 different maximum speeds throughout Colusa County. The fastest plan anyone in Colusa County can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Colusa County customers is up to 55 Mbps.
Show all download speeds
- 16.8% up to 100.0 Mbps
- 74.7% up to 50.0 Mbps
- 8.6% up to 10.0 Mbps
EarthLink DSL upload speeds
In Colusa County download speeds tend to be faster than than upload speeds for EarthLink DSL. Compared to other ISPs, EarthLink is below average where upload speeds are concerned, and one of the fastest compared to other Colusa County DSL providers. EarthLink offers 3 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Colusa County is up to 20 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, EarthLink customers can get speeds up to 11 Mbps.
Show all upload speeds
- 16.8% up to 20.0 Mbps
- 74.7% up to 10.0 Mbps
- 8.6% up to 1.0 Mbps
Colusa County DSL by Area
This information is most helpful to those looking for homes or considering moving to Colusa County or any of the areas nearby.
How does DSL internet in Colusa County compare to the rest of California?
DSL internet speeds in Colusa County are much faster versus the average speeds in California: 0.00 Mbps in California versus 14 Mbps in the county. The state has similar DSL availability compared to the county. Average DSL coverage in California is 0.00% versus 42.24% in Colusa County.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Colusa County 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 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
- Sutter County, CA: more DSL coverage, faster speeds
- Yuba County, CA: more DSL coverage, faster speeds
- Nevada County, CA: more DSL coverage, slower speeds
- Mendocino County, CA: more DSL coverage, faster speeds
- Carson City, NV: more DSL coverage, faster speeds
- White Pine County, NV: more DSL coverage, slower speeds
- Millard County, UT: more DSL coverage, faster speeds
- Mesa County, CO: more DSL coverage, faster speeds
- Pitkin County, CO: more DSL coverage, faster speeds
- Lake County, CO: more DSL coverage, faster speeds
Counties with Similar Populations
- Jackson Parish, LA: more DSL coverage, faster speeds
- Plaquemines Parish, LA: more DSL coverage, faster speeds
- Piscataquis County, ME: more DSL coverage, faster speeds
- Pine County, MN: more DSL coverage, faster speeds
- Pike County, OH: more DSL coverage, faster speeds
- Pike County, MO: more DSL coverage, faster speeds
- Pike County, IL: more DSL coverage, faster speeds
- Jefferson County, OR: more DSL coverage, faster speeds
- Jefferson County, MT: more DSL coverage, faster speeds
- Jefferson County, KS: more DSL coverage, faster speeds