In Dubuque County there are 7 residential Fiber providers covering 89.06% of the county. The average home can get speeds up to 997 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 Dubuque County, IA.
To see availability maps for all providers including fiber, cable, DSL, and more in Dubuque County, IA please click below.
Dubuque County, IA Availability Maps
Fiber Internet Service Providers in Dubuque 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 Dubuque County are not shown.
Dubuque 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 Dubuque County is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 89.06% of Dubuque County. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is ImOn Communications. Call one of the companies with service in Dubuque County above to see who has service at your home.
How fast is fiber internet in Dubuque County?
The map below shows maximum fiber internet speeds by area in Dubuque County.
Fiber Internet Speed Key
The average Dubuque County home can get up to 997 Mbps on their fiber internet plan. The fastest fiber download speed in the county is 1,000 Mbps, which 87.51% 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 500 Mbps. See the internet provider details below for info about their speed and coverage in Dubuque County.
Fiber internet speeds tend to be faster in the west parts of Dubuque County, and slower in the south areas of the county.
Is fiber the fastest internet I can get in Dubuque County?
The fastest internet for you may vary based on where in Dubuque County you live. In general, cable competes most often with fiber in the county.
- Fiber is the fastest internet type for 87.83% of Dubuque County homes.
- Cable is fastest for 9.59% of the county.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 1.48%.
- Satellite internet may be the only option for less than 1% of Dubuque County homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Dubuque County, along with details on where in Dubuque County and at what speeds.
ImOn Communications Fiber in Dubuque County, IA
ImOn Communications fiber coverage
About 67.11%, or 66,618 people, have ImOn Communications fiber internet available to them in the county. The company covers the northeast, central, east, north, south, southwest, west, and southeast Dubuque County area. ImOn Communications is a large internet service provider internet service providers in the US, with internet service available in much of Dubuque County.
ImOn Communications fiber download speeds
ImOn Communications is one of the fastest when comparing download speeds to all other internet providers in Dubuque County. Versus other fiber providers in the area, ImOn Communications fiber is one of the fastest. There are no different maximum speeds throughout Dubuque County. The fastest plan anyone in Dubuque County can order from ImOn Communications goes up to 1,000 Mbps, and all Dubuque County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
ImOn Communications fiber upload speeds
In Dubuque County download speeds tend to be equal to than upload speeds for ImOn Communications fiber. Compared to other ISPs, ImOn Communications is one of the fastest where upload speeds are concerned, and one of the fastest compared to other Dubuque County fiber providers. ImOn Communications offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Dubuque 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
Maquoketa Valley Electric Cooperative Fiber in Dubuque County, IA
Maquoketa Valley Electric Cooperative fiber coverage
About 21.42%, or 21,267 people, have Maquoketa Valley Electric Cooperative fiber internet available to them in the county. The company covers the south, north, southwest, southeast, central, northwest, and west Dubuque County area. Maquoketa Valley Electric Cooperative is a large internet service provider internet service providers in the US, with internet service available in a small portion of Dubuque County.
Maquoketa Valley Electric Cooperative fiber download speeds
Maquoketa Valley Electric Cooperative is one of the fastest when comparing download speeds to all other internet providers in Dubuque County. Versus other fiber providers in the area, Maquoketa Valley Electric Cooperative fiber is one of the fastest. There are no different maximum speeds throughout Dubuque County. The fastest plan anyone in Dubuque County can order from Maquoketa Valley Electric Cooperative goes up to 1,000 Mbps, and all Dubuque County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Maquoketa Valley Electric Cooperative fiber upload speeds
In Dubuque County download speeds tend to be equal to than upload speeds for Maquoketa Valley Electric Cooperative fiber. Compared to other ISPs, Maquoketa Valley Electric Cooperative is one of the fastest where upload speeds are concerned, and one of the fastest compared to other Dubuque County fiber providers. Maquoketa Valley Electric Cooperative offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Dubuque 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
Windstream Fiber in Dubuque County, IA
Windstream fiber coverage
About 6.14%, or 6,090 people, have Windstream fiber internet available to them in the county. The company covers the southwest, west, and northwest Dubuque County area. Windstream is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Dubuque County.
Windstream fiber download speeds
Windstream is one of the fastest when comparing download speeds to all other internet providers in Dubuque County. Versus other fiber providers in the area, Windstream fiber is one of the fastest. There are no different maximum speeds throughout Dubuque County. The fastest plan anyone in Dubuque County can order from Windstream goes up to 1,000 Mbps, and all Dubuque County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Windstream fiber upload speeds
In Dubuque County download speeds tend to be equal to than upload speeds for Windstream fiber. Compared to other ISPs, Windstream is one of the fastest where upload speeds are concerned, and one of the fastest compared to other Dubuque County fiber providers. Windstream offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Dubuque 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 Dubuque County, IA
Quantum Fiber fiber coverage
About 5.66%, or 5,617 people, have Quantum Fiber fiber internet available to them in the county. The company covers the central, north, south, east, and northeast Dubuque 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 Dubuque County.
Quantum Fiber fiber download speeds
Quantum Fiber is above average when comparing download speeds to all other internet providers in Dubuque County. Versus other fiber providers in the area, Quantum Fiber fiber is above average. There are 2 different maximum speeds throughout Dubuque County. The fastest plan anyone in Dubuque County can order from Quantum Fiber goes up to 1,000 Mbps, the slowest package only goes up to 940 Mbps, and the county-wide average maximum speed for Dubuque County customers is up to 949 Mbps.
Show all download speeds
- 14.9% up to 1,000.0 Mbps
- 85.1% up to 940.0 Mbps
Quantum Fiber fiber upload speeds
In Dubuque County download speeds tend to be equal to than upload speeds for Quantum Fiber fiber. Compared to other ISPs, Quantum Fiber is above average where upload speeds are concerned, and above average compared to other Dubuque County fiber providers. Quantum Fiber offers 2 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 Dubuque County is up to 1,000 Mbps. Some customers have slower plan choices, which only go up to 940 Mbps. On average, Quantum Fiber customers can get speeds up to 949 Mbps.
Show all upload speeds
- 14.9% up to 1,000.0 Mbps
- 85.1% up to 940.0 Mbps
Cascade Communications Fiber in Dubuque County, IA
Cascade Communications fiber coverage
About 2.73%, or 2,707 people, have Cascade Communications fiber internet available to them in the county. The company covers the southwest Dubuque County area. Cascade Communications is a small internet service provider internet service providers in the US, with internet service available in a very small piece of Dubuque County.
Cascade Communications fiber download speeds
Cascade Communications is one of the fastest when comparing download speeds to all other internet providers in Dubuque County. Versus other fiber providers in the area, Cascade Communications fiber is one of the fastest. There are no different maximum speeds throughout Dubuque County. The fastest plan anyone in Dubuque County can order from Cascade Communications goes up to 1,000 Mbps, and all Dubuque County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Cascade Communications fiber upload speeds
In Dubuque County download speeds tend to be equal to than upload speeds for Cascade Communications fiber. Compared to other ISPs, Cascade Communications is one of the fastest where upload speeds are concerned, and one of the fastest compared to other Dubuque County fiber providers. Cascade Communications offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Dubuque 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
Bernard Telephone & Communications Fiber in Dubuque County, IA
Bernard Telephone & Communications fiber coverage
About 2.52%, or 2,502 people, have Bernard Telephone & Communications fiber internet available to them in the county. The company covers the south, southeast, and southwest Dubuque County area. Bernard Telephone & Communications is a small internet service provider internet service providers in the US, with internet service available in a very small piece of Dubuque County.
Bernard Telephone & Communications fiber download speeds
Bernard Telephone & Communications is above average when comparing download speeds to all other internet providers in Dubuque County. Versus other fiber providers in the area, Bernard Telephone & Communications fiber is the slowest. There are no different maximum speeds throughout Dubuque County. The fastest plan anyone in Dubuque County can order from Bernard Telephone & Communications goes up to 500 Mbps, and all Dubuque County customers can get this speed.
Show all download speeds
- 100.0% up to 500.0 Mbps
Bernard Telephone & Communications fiber upload speeds
In Dubuque County download speeds tend to be equal to than upload speeds for Bernard Telephone & Communications fiber. Compared to other ISPs, Bernard Telephone & Communications is above average where upload speeds are concerned, and the slowest compared to other Dubuque County fiber providers. Bernard Telephone & Communications offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Dubuque County is up to 500 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 500.0 Mbps
Centurylink Fiber in Dubuque County, IA
Centurylink fiber coverage
About 2.28%, or 2,262 people, have Centurylink fiber internet available to them in the county. The company covers the south, central, north, east, and northeast Dubuque County area. Centurylink is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Dubuque County.
Centurylink fiber download speeds
Centurylink is above average when comparing download speeds to all other internet providers in Dubuque County. Versus other fiber providers in the area, Centurylink fiber is below average. There are 4 different maximum speeds throughout Dubuque County. The fastest plan anyone in Dubuque County can order from Centurylink goes up to 1,000 Mbps, the slowest package only goes up to 40 Mbps, and the county-wide average maximum speed for Dubuque County customers is up to 815 Mbps.
Show all download speeds
- 35.5% up to 1,000.0 Mbps
- 47.6% up to 940.0 Mbps
- 3.9% up to 200.0 Mbps
- 13.0% up to 40.0 Mbps
Centurylink fiber upload speeds
In Dubuque 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 Dubuque County fiber providers. Centurylink offers 5 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 Dubuque County is up to 1,000 Mbps. Some customers have slower plan choices, which only go up to 5.0 Mbps. On average, Centurylink customers can get speeds up to 802 Mbps.
Show all upload speeds
- 35.5% up to 1,000.0 Mbps
- 46.3% up to 940.0 Mbps
- 5.2% up to 200.0 Mbps
- 5.1% up to 20.0 Mbps
- 7.9% up to 5.0 Mbps
Dubuque County Fiber by Area
This information is most helpful to those looking for homes or considering moving to Dubuque County or any of the areas nearby.
How does fiber internet in Dubuque County compare to the rest of Iowa?
Fiber internet speeds in Dubuque County are much faster versus the average speeds in Iowa: 0.00 Mbps in Iowa versus 997 Mbps in the county. The state has similar fiber availability compared to the county. Average fiber coverage in Iowa is 0.00% versus 89.06% in Dubuque County.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Dubuque 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
- Jo Daviess County, IL: less fiber coverage, faster speeds
- Delaware County, IA: less fiber coverage, faster speeds
- Buchanan County, IA: less fiber coverage, faster speeds
- Stephenson County, IL: less fiber coverage, faster speeds
- Black Hawk County, IA: more fiber coverage, faster speeds
- Winnebago County, IL: less fiber coverage, faster speeds
- Grundy County, IA: less fiber coverage, faster speeds
- Hardin County, IA: less fiber coverage, faster speeds
- Lake County, IL: less fiber coverage, faster speeds
- Kenosha County, WI: less fiber coverage, faster speeds
Counties with Similar Populations
- Story County, IA: less fiber coverage, faster speeds
- Wayne County, NY: less fiber coverage, faster speeds
- Fairbanks North Star Borough, AK: less fiber coverage, faster speeds
- Floyd County, GA: less fiber coverage, faster speeds
- Victoria County, TX: less fiber coverage, faster speeds
- Twin Falls County, ID: less fiber coverage, faster speeds
- Tuscarawas County, OH: less fiber coverage, faster speeds
- Garland County, AR: less fiber coverage, faster speeds
- Geauga County, OH: less fiber coverage, faster speeds
- Grafton County, NH: less fiber coverage, faster speeds