In Adams County there are 4 residential Fiber providers covering 56.14% of the county. The average home can get speeds up to 3,291 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 Adams County, CO.
To see availability maps for all providers including fiber, cable, DSL, and more in Adams County, CO please click below.
Adams County, CO Availability Maps
Fiber Internet Service Providers in Adams 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 Adams County are not shown.
Adams 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 Adams County is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 56.14% of Adams County. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is Quantum Fiber. Call one of the companies with service in Adams County above to see who has service at your home.
How fast is fiber internet in Adams County?
The map below shows maximum fiber internet speeds by area in Adams County.
Fiber Internet Speed Key
The average Adams County home can get up to 3,291 Mbps on their fiber internet plan. The fastest fiber download speed in the county is 8,000 Mbps, which 12.74% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 1.66% of homes can only purchase plans up to 940 Mbps. See the internet provider details below for info about their speed and coverage in Adams County.
Fiber internet speeds tend to be faster in the north parts of Adams County, and slower in the east areas of the county.
Is fiber the fastest internet I can get in Adams County?
The fastest internet for you may vary based on where in Adams County you live. In general, cable competes most often with fiber in the county.
- Fiber is the fastest internet type for 43.26% of Adams County homes.
- Cable is fastest for 55.38% of the county.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 1.14%.
- Satellite internet may be the only option for less than 1% of Adams County homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Adams County, along with details on where in Adams County and at what speeds.
Quantum Fiber Fiber in Adams County, CO
Quantum Fiber fiber coverage
About 44.35%, or 230,406 people, have Quantum Fiber fiber internet available to them in the county. The company covers the entire Adams County area. Quantum Fiber is one of the largest internet service providers internet service providers in the US, with internet service available in some of Adams County.
Quantum Fiber fiber download speeds
Quantum Fiber is the fastest when comparing download speeds to all other internet providers in Adams County. Versus other fiber providers in the area, Quantum Fiber fiber is the fastest. There are 4 different maximum speeds throughout Adams County. The fastest plan anyone in Adams County can order from Quantum Fiber goes up to 8,000 Mbps, the slowest package only goes up to 940 Mbps, and the county-wide average maximum speed for Adams County customers is up to 3,614 Mbps.
Show all download speeds
- 28.7% up to 8,000.0 Mbps
- 60.7% up to 2,000.0 Mbps
- 4.4% up to 1,000.0 Mbps
- 6.1% up to 940.0 Mbps
Quantum Fiber fiber upload speeds
In Adams County download speeds tend to be faster than than upload speeds for Quantum Fiber fiber. Compared to other ISPs, Quantum Fiber is the fastest where upload speeds are concerned, and the fastest compared to other Adams County fiber providers. Quantum Fiber 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 Adams County 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 3,007 Mbps.
Show all upload speeds
- 28.7% up to 8,000.0 Mbps
- 65.1% up to 1,000.0 Mbps
- 6.1% up to 940.0 Mbps
Centurylink Fiber in Adams County, CO
Centurylink fiber coverage
About 26.20%, or 136,127 people, have Centurylink fiber internet available to them in the county. The company covers the entire Adams County 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 Adams County.
Centurylink fiber download speeds
Centurylink is above average when comparing download speeds to all other internet providers in Adams County. Versus other fiber providers in the area, Centurylink fiber is below average. There are 9 different maximum speeds throughout Adams County. The fastest plan anyone in Adams County can order from Centurylink goes up to 8,000 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Adams County customers is up to 1,104 Mbps.
Show all download speeds
- 2.4% up to 8,000.0 Mbps
- 0.1% up to 2,000.0 Mbps
- 40.6% up to 1,000.0 Mbps
- 53.3% up to 940.0 Mbps
- 1.6% up to 200.0 Mbps
- 1.3% up to 100.0 Mbps
- 0.2% up to 80.0 Mbps
- 0.5% up to 40.0 Mbps
- 0.1% up to 10.0 Mbps
Centurylink fiber upload speeds
In Adams County 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 Adams County fiber providers. Centurylink offers 13 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 Adams County is up to 8,000 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Centurylink customers can get speeds up to 1,029 Mbps.
Show all upload speeds
- 2.4% up to 8,000.0 Mbps
- 40.6% up to 1,000.0 Mbps
- 43.0% up to 940.0 Mbps
- 0.2% up to 500.0 Mbps
- 11.6% up to 200.0 Mbps
- 1.2% up to 100.0 Mbps
- 0.1% up to 50.0 Mbps
- 0.0% up to 40.0 Mbps
- 0.3% up to 20.0 Mbps
- 0.1% up to 10.0 Mbps
- 0.1% up to 5.0 Mbps
- 0.0% up to 3.0 Mbps
- 0.1% up to 1.0 Mbps
Intrepid Fiber Networks Fiber in Adams County, CO
Intrepid Fiber fiber coverage
About 10.99%, or 57,126 people, have Intrepid Fiber fiber internet available to them in the county. The company covers the west, central, northwest, southwest, and north Adams County area. Intrepid Fiber is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Adams County.
Intrepid Fiber Networks fiber download speeds
Intrepid Fiber is above average when comparing download speeds to all other internet providers in Adams County. Versus other fiber providers in the area, Intrepid Fiber fiber is above average. There are no different maximum speeds throughout Adams County. The fastest plan anyone in Adams County can order from Intrepid Fiber goes up to 2,000 Mbps, and all Adams County customers can get this speed.
Show all download speeds
- 100.0% up to 2,000.0 Mbps
Intrepid Fiber Networks fiber upload speeds
In Adams County download speeds tend to be equal to than upload speeds for Intrepid Fiber fiber. Compared to other ISPs, Intrepid Fiber is above average where upload speeds are concerned, and above average compared to other Adams County fiber providers. Intrepid Fiber offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Adams County is up to 2,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 2,000.0 Mbps
Allo Fiber in Adams County, CO
Allo fiber coverage
About 7.58%, or 39,400 people, have Allo fiber internet available to them in the county. The company covers the northeast and north Adams County area. Allo is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Adams County.
Allo fiber download speeds
Allo is above average when comparing download speeds to all other internet providers in Adams County. Versus other fiber providers in the area, Allo fiber is above average. There are no different maximum speeds throughout Adams County. The fastest plan anyone in Adams County can order from Allo goes up to 2,300 Mbps, and all Adams County customers can get this speed.
Show all download speeds
- 100.0% up to 2,300.0 Mbps
Allo fiber upload speeds
In Adams County download speeds tend to be equal to than upload speeds for Allo fiber. Compared to other ISPs, Allo is above average where upload speeds are concerned, and above average compared to other Adams County fiber providers. Allo offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Adams County is up to 2,300 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 2,300.0 Mbps
Adams County Fiber by Area
This information is most helpful to those looking for homes or considering moving to Adams County or any of the areas nearby.
How does fiber internet in Adams County compare to the rest of Colorado?
Fiber internet speeds in Adams County are much faster versus the average speeds in Colorado: 0.00 Mbps in Colorado versus 3,291 Mbps in the county. The state has similar fiber availability compared to the county. Average fiber coverage in Colorado is 0.00% versus 56.14% in Adams County.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Adams 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
- Broomfield County, CO: less fiber coverage, slower speeds
- Denver County, CO: more fiber coverage, slower speeds
- Jefferson County, CO: more fiber coverage, faster speeds
- Gilpin County, CO: more fiber coverage, slower speeds
- Clear Creek County, CO: less fiber coverage, faster speeds
- Cheyenne County, KS: more fiber coverage, slower speeds
- Rawlins County, KS: less fiber coverage, slower speeds
- Decatur County, KS: less fiber coverage, slower speeds
- Norton County, KS: more fiber coverage, slower speeds
- Phillips County, KS: more fiber coverage, slower speeds
Counties with Similar Populations
- Plymouth County, MA: more fiber coverage, slower speeds
- Monterey County, CA: less fiber coverage, faster speeds
- Santa Barbara County, CA: more fiber coverage, faster speeds
- Pinal County, AZ: less fiber coverage, faster speeds
- Tulare County, CA: less fiber coverage, faster speeds
- Cameron County, TX: less fiber coverage, faster speeds
- Sonoma County, CA: less fiber coverage, faster speeds
- New Castle County, DE: more fiber coverage, slower speeds
- Washoe County, NV: less fiber coverage, faster speeds
- Solano County, CA: less fiber coverage, faster speeds