In Clay County there are 7 residential Fiber providers covering 98.54% of the county. The average home can get speeds up to 994 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 Clay County, IA.
To see availability maps for all providers including fiber, cable, DSL, and more in Clay County, IA please click below.
Clay County, IA Availability Maps
Fiber Internet Service Providers in Clay 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 Clay County are not shown.
Clay 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 Clay County is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 98.54% of Clay County. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is Spencer Municipal Utilities. Call one of the companies with service in Clay County above to see who has service at your home.
How fast is fiber internet in Clay County?
The map below shows maximum fiber internet speeds by area in Clay County.
Fiber Internet Speed Key
The average Clay County home can get up to 994 Mbps on their fiber internet plan. The fastest fiber download speed in the county is 1,000 Mbps, which 97.30% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 1.24% of homes can only purchase plans up to 500 Mbps. See the internet provider details below for info about their speed and coverage in Clay County.
Fiber internet speeds tend to be faster in the central parts of Clay County, and slower in the northeast areas of the county.
Is fiber the fastest internet I can get in Clay County?
The fastest internet for you may vary based on where in Clay County you live. In general, fixed wireless competes most often with fiber in the county.
- Fiber is the fastest internet type for 98.54% of Clay County homes.
- Cable is fastest for less than 1% of the county.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 1.35%.
- Satellite internet may be the only option for less than 1% of Clay County homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Clay County, along with details on where in Clay County and at what speeds.
Spencer Municipal Utilities Fiber in Clay County, IA
Spencer Municipal Utilities fiber coverage
About 71.45%, or 11,707 people, have Spencer Municipal Utilities fiber internet available to them in the county. The company covers the central, north, east, northeast, southeast, west, northwest, and south Clay County area. Spencer Municipal Utilities is a small internet service provider internet service providers in the US, with internet service available in much of Clay County.
Spencer Municipal Utilities fiber download speeds
Spencer Municipal Utilities is one of the fastest when comparing download speeds to all other internet providers in Clay County. Versus other fiber providers in the area, Spencer Municipal Utilities fiber is one of the fastest. There are no different maximum speeds throughout Clay County. The fastest plan anyone in Clay County can order from Spencer Municipal Utilities goes up to 1,000 Mbps, and all Clay County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spencer Municipal Utilities fiber upload speeds
In Clay County download speeds tend to be equal to than upload speeds for Spencer Municipal Utilities fiber. Compared to other ISPs, Spencer Municipal Utilities is one of the fastest where upload speeds are concerned, and one of the fastest compared to other Clay County fiber providers. Spencer Municipal Utilities offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Clay 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
Premier Communications Fiber in Clay County, IA
Premier Communications fiber coverage
About 14.90%, or 2,442 people, have Premier Communications fiber internet available to them in the county. The company covers the north, southeast, east, northeast, northwest, south, and central Clay County area. Premier Communications is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Clay County.
Premier Communications fiber download speeds
Premier Communications is one of the fastest when comparing download speeds to all other internet providers in Clay County. Versus other fiber providers in the area, Premier Communications fiber is one of the fastest. There are no different maximum speeds throughout Clay County. The fastest plan anyone in Clay County can order from Premier Communications goes up to 1,000 Mbps, and all Clay County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Premier Communications fiber upload speeds
In Clay County download speeds tend to be equal to than upload speeds for Premier Communications fiber. Compared to other ISPs, Premier Communications is one of the fastest where upload speeds are concerned, and one of the fastest compared to other Clay County fiber providers. Premier Communications offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Clay 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
Evertek Fiber in Clay County, IA
Evertek fiber coverage
About 6.93%, or 1,136 people, have Evertek fiber internet available to them in the county. The company covers the northwest, south, west, southeast, and southwest Clay County area. Evertek is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Clay County.
Evertek fiber download speeds
Evertek is one of the fastest when comparing download speeds to all other internet providers in Clay County. Versus other fiber providers in the area, Evertek fiber is one of the fastest. There are no different maximum speeds throughout Clay County. The fastest plan anyone in Clay County can order from Evertek goes up to 1,000 Mbps, and all Clay County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Evertek fiber upload speeds
In Clay County download speeds tend to be equal to than upload speeds for Evertek fiber. Compared to other ISPs, Evertek is one of the fastest where upload speeds are concerned, and one of the fastest compared to other Clay County fiber providers. Evertek offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Clay 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
Royal Telephone Company Fiber in Clay County, IA
Royal Telephone Company fiber coverage
About 6.09%, or 997 people, have Royal Telephone Company fiber internet available to them in the county. The company covers the southwest, west, south, and central Clay County area. Royal Telephone Company is one of the smallest internet service providers internet service providers in the US, with internet service available in a very small piece of Clay County.
Royal Telephone Company fiber download speeds
Royal Telephone Company is one of the fastest when comparing download speeds to all other internet providers in Clay County. Versus other fiber providers in the area, Royal Telephone Company fiber is one of the fastest. There are no different maximum speeds throughout Clay County. The fastest plan anyone in Clay County can order from Royal Telephone Company goes up to 1,000 Mbps, and all Clay County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Royal Telephone Company fiber upload speeds
In Clay County download speeds tend to be equal to than upload speeds for Royal Telephone Company fiber. Compared to other ISPs, Royal Telephone Company is one of the fastest where upload speeds are concerned, and one of the fastest compared to other Clay County fiber providers. Royal Telephone Company offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Clay 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 Clay County, IA
Windstream fiber coverage
About 2.06%, or 338 people, have Windstream fiber internet available to them in the county. The company covers the southwest Clay 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 Clay County.
Windstream fiber download speeds
Windstream is one of the fastest when comparing download speeds to all other internet providers in Clay County. Versus other fiber providers in the area, Windstream fiber is one of the fastest. There are no different maximum speeds throughout Clay County. The fastest plan anyone in Clay County can order from Windstream goes up to 1,000 Mbps, and all Clay County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Windstream fiber upload speeds
In Clay 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 Clay County fiber providers. Windstream offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Clay 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
Starnet Fiber in Clay County, IA
Starnet fiber coverage
About 1.59%, or 260 people, have Starnet fiber internet available to them in the county. The company covers the northeast, east, and southeast Clay County area. Starnet is a small internet service provider internet service providers in the US, with internet service available in a very small piece of Clay County.
Starnet fiber download speeds
Starnet is average when comparing download speeds to all other internet providers in Clay County. Versus other fiber providers in the area, Starnet fiber is the slowest. There are no different maximum speeds throughout Clay County. The fastest plan anyone in Clay County can order from Starnet goes up to 500 Mbps, and all Clay County customers can get this speed.
Show all download speeds
- 100.0% up to 500.0 Mbps
Starnet fiber upload speeds
In Clay County download speeds tend to be equal to than upload speeds for Starnet fiber. Compared to other ISPs, Starnet is above average where upload speeds are concerned, and below average compared to other Clay County fiber providers. Starnet offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Clay County is up to 500 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 500.0 Mbps
Northwest Communications Fiber in Clay County, IA
Northwest Communications fiber coverage
About 1.21%, or 199 people, have Northwest Communications fiber internet available to them in the county. The company covers the southeast Clay County area. Northwest Communications is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Clay County.
Northwest Communications fiber download speeds
Northwest Communications is one of the fastest when comparing download speeds to all other internet providers in Clay County. Versus other fiber providers in the area, Northwest Communications fiber is one of the fastest. There are no different maximum speeds throughout Clay County. The fastest plan anyone in Clay County can order from Northwest Communications goes up to 1,000 Mbps, and all Clay County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Northwest Communications fiber upload speeds
In Clay County download speeds tend to be faster than than upload speeds for Northwest Communications fiber. Compared to other ISPs, Northwest Communications is below average where upload speeds are concerned, and the slowest compared to other Clay County fiber providers. Northwest Communications offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Clay County is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
Clay County Fiber by Area
This information is most helpful to those looking for homes or considering moving to Clay County or any of the areas nearby.
How does fiber internet in Clay County compare to the rest of Iowa?
Fiber internet speeds in Clay County are much faster versus the average speeds in Iowa: 0.00 Mbps in Iowa versus 994 Mbps in the county. The state has similar fiber availability compared to the county. Average fiber coverage in Iowa is 0.00% versus 98.54% in Clay County.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Clay 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
- Palo Alto County, IA: less fiber coverage, slower speeds
- O'Brien County, IA: less fiber coverage, faster speeds
- Kossuth County, IA: less fiber coverage, slower speeds
- Sioux County, IA: less fiber coverage, faster speeds
- Hancock County, IA: less fiber coverage, faster speeds
- Cerro Gordo County, IA: less fiber coverage, faster speeds
- Floyd County, IA: less fiber coverage, faster speeds
- Chickasaw County, IA: less fiber coverage, faster speeds
- Winneshiek County, IA: less fiber coverage, slower speeds
- Charles Mix County, SD: less fiber coverage, faster speeds
Counties with Similar Populations
- Morgan County, UT: less fiber coverage, faster speeds
- Lewis County, WV: less fiber coverage, faster speeds
- Lexington City, VA: less fiber coverage, faster speeds
- Liberty County, FL: less fiber coverage, slower speeds
- Limestone County, TX: less fiber coverage, faster speeds
- Lincoln County, AR: less fiber coverage, faster speeds
- Lincoln County, GA: more fiber coverage, faster speeds
- Luna County, NM: less fiber coverage, faster speeds
- Montezuma County, CO: less fiber coverage, faster speeds
- Moore County, TX: less fiber coverage, faster speeds