Best Internet Providers in Windham, IA
All 9 providers, ranked by coverage, speed and customer ratings
Find internet availability by address in Windham, IA
Windham has 9 internet service providers, they are sorted by coverage, available speed, and customer rating from our unbiased internet provider report. Fiber, Fixed Wireless, and DSL internet are available in the city. Reviews are grouped by provider and the type of service they offer, covering all 3 available internet technologies in Windham.
Ranks compare Windham with the 31,388 US places under 1,000 people, the tiers of our fastest-cities rankings.
The Best Internet in Windham, IA at a Glance
Windham Internet Providers, Ranked by Coverage, Speed and Customer Ratings
South Slope
Connection
Customer Rating
Fiber
Sharon Telephone Company
Connection
Customer Rating
Fiber
Wellman Telephone Cooperative Association
Connection
Customer Rating
Fiber
Windstream
Connection
Customer Rating
DSL
Fixed Wireless
Providers with less than 1% coverage in this city are excluded from the list. To see if one of these providers is available at your home, please use the address search above.
Speed and technology may vary by address for all providers. Please note we may have a financial relationship with some of the providers above, which does not impact the customer ratings displayed. Customer ratings listed above are national ratings, local Windham ratings may vary and are shown below.
Who is the Best Internet Provider in Windham, IA?
South Slope is the best internet provider in Windham based on Iowa customer satisfaction ratings and reviews. Based on our extensive and unbiased survey, South Slope had the best reviews at the local, state, and national levels versus all available providers in Windham, making it a solid recommendation among providers with reviews. South Slope is an option for 59.34% of the city.
Which Providers are Available at my Home in Windham?
Coverage changes block by block. Pick a provider and a technology to see where its service reaches: the darker the area, the larger the share of homes it covers. For your exact address, use the address search above.

Coverage map for each provider in Windham
- South Slope - fiber coverage map
- Sharon Telephone Company - fiber coverage map
- Wellman Telephone Cooperative Association - fiber coverage map
- Windstream - fixed wireless coverage map
- T-Mobile Home Internet - fixed wireless coverage map
- Nextlink - fixed wireless coverage map
- Verizon - fixed wireless coverage map
- AT&T - fixed wireless coverage map
- EarthLink - fixed wireless coverage map
- Windstream - dsl coverage map
How Windham Compares to Places Its Size
Windham's report card score is in the top 39% and its connectivity index is in the top 35%.
| Measure | Windham | Rank among US places under 1,000 people | Johnson County | Iowa | US | Leader |
|---|---|---|---|---|---|---|
| ISP Report Card inputs: what providers offer here | ||||||
| Fiber availability | 98.2% | top 28% | 92.2% | 84.3% | 71.5% | 6,946 places at 100.0% |
| Average top speed | 982 Mbps | bottom 41% | 4,002 Mbps | 3,256 Mbps | 3,486 Mbps | Fairmount, TN and Falling Water, TN and 5 more (25,000 Mbps) |
| Providers at a typical address | 3.9 | bottom 46% | 6.6 | 6.8 | 7.1 | Los Prados, PR (15.1) |
| Connectivity index inputs: how much households need and use the internet | ||||||
| People per household | 2.5 | top 40% | 2.4 | 2.4 | 2.7 | Paguate, NM (13.4) |
| Workers who work from home | 24% | top 6% | 14% | 12% | 15% | Boys Town, NE (100%) |
| Homes with a computer, tablet or phone | 90% | bottom 34% | 97% | 95% | 96% | 1,494 places at 100% |
| Homes with internet | 87% | top 45% | 90% | 89% | 91% | 370 places at 100% |
| Homes on fiber, cable or DSL | 64% | top 37% | 79% | 72% | 76% | 23 places at 100% |
| More about the households here | ||||||
| Homes with a desktop or laptop | 76% | top 37% | 89% | 78% | 81% | 72 places at 100% |
| Median household income | $72,028 | top 46% | $87,057 | $82,468 | $93,246 | 22 places at $250,001 |
| Residents in school (6th grade to college) | 16% | top 16% | 27% | 16% | 16% | University at Buffalo, NY (100%) |
Fiber reaches 98.2% of homes in Windham, against 92.2% across Johnson County and 84.3% across Iowa. Households in Windham are smaller than the US average (2.5 people against 2.7); 24% of workers work from home (US 15%); and the median household income is $72,028 (US $93,246).
Our demographic data is sourced from the latest 5-year release of the American Community Survey by the US Census Bureau.
Fiber, 5G, Cable and DSL Internet in Windham
Which Fiber Internet Providers are Available in Windham?
South Slope Fiber in Windham, IA
South Slope offers Fiber service to 59.3% of Windham homes. Across the city, South Slope Fiber is the only type of service available from the company, with speeds up to 1,000 Mbps
Sharon Telephone Company Fiber in Windham, IA
Sharon Telephone Company offers Fiber service to 42.9% of Windham homes. Across the city, Sharon Telephone Company Fiber is the only type of service available from the company, with speeds up to 1,000 Mbps
Wellman Telephone Cooperative Association Fiber in Windham, IA
Wellman Telephone Cooperative Association offers Fiber service to 29.7% of Windham homes. Across the city, Wellman Telephone Cooperative Association Fiber is the only type of service available from the company, with speeds up to 1,000 Mbps
Which Fixed Wireless and LTE Internet Providers are Available in Windham?
T-Mobile Home Internet Fixed Wireless in Windham, IA
T-Mobile Home Internet offers Fixed Wireless service to 94.9% of Windham homes. Across the city, T-Mobile Home Internet Fixed Wireless is the only type of service available from the company, with speeds up to 55 Mbps, with speeds from 25 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 3.0 and as high as 20, with an average of 9.9 Mbps throughout the city.
Windstream Fixed Wireless in Windham, IA
Windstream offers Fixed Wireless service to 83.5% of Windham homes. Across the city, Windstream Fixed Wireless has speeds up to 89 Mbps, with speeds from 25 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 4.0 and as high as 10, with an average of 9.3 Mbps throughout the city.
Verizon Fixed Wireless in Windham, IA
Verizon offers Fixed Wireless service to 43.6% of Windham homes. Across the city, Verizon Fixed Wireless is the only type of service available from the company, with speeds up to 64 Mbps, with speeds from 25 Mpbs up to 300 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 6.0 and as high as 20, with an average of 8.0 Mbps throughout the city.
Nextlink Fixed Wireless in Windham, IA
Nextlink offers Fixed Wireless service to 9.9% of Windham homes. Across the city, Nextlink Fixed Wireless is the only type of service available from the company, with speeds up to 444 Mbps, with speeds from 200 Mpbs up to 500 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 50 and as high as 100, with an average of 91 Mbps throughout the city.
EarthLink Fixed Wireless in Windham, IA
EarthLink offers Fixed Wireless service to 6.2% of Windham homes. Across the city, EarthLink Fixed Wireless is the only type of service available from the company, with speeds up to 25 Mbps
Which Cable Internet Providers are Available in Windham?
According to the most recently submitted data by internet service providers to the FCC, there are currently no cable providers available in Windham, IA.
Which DSL Internet Providers are Available in Windham?
Internet in Windham by Neighborhood and ZIP Code
Each row links to that place’s page.
Neighborhoods in Windham
| Neighborhood | People | Homes with fiber | Average top speed | Providers at a typical address | Report card | Connectivity |
|---|
ZIP codes in Windham
| ZIP code | People | Homes with fiber | Average top speed | Providers at a typical address | Report card | Connectivity |
|---|
How Windham Compares to Nearby Places
The 10 places nearest to Windham that have their own pages are all within 12 miles. Among them, Tiffin has the most homes with fiber (100.0%) and Oxford the fewest (98.8%); Windham has 98.2%.
| Place | People | Homes with fiber | Average top speed | Providers at a typical address | Report card | Connectivity |
|---|---|---|---|---|---|---|
| Windham (this page) | 273 | 98.2% | 982 Mbps | 3.9 | C+ | 48/100 |
| Coralville | 22,432 | 99.0% | 5,696 Mbps | 8.4 | A | 64/100 |
| Tiffin | 4,812 | 100.0% | 1,776 Mbps | 5 | B | 78/100 |
| Kalona | 4,430 | 100.0% | 1,000 Mbps | 4.1 | C+ | 64/100 |
| Wellman | 2,599 | 99.6% | 998 Mbps | 3.8 | C+ | 45/100 |
| Oxford | 1,941 | 98.8% | 1,101 Mbps | 6.8 | B | 62/100 |
| Parnell | 1,205 | 100.0% | 997 Mbps | 5.1 | B- | 44/100 |
| Williamstown | 953 | 100.0% | 1,000 Mbps | 3.4 | C+ | 48/100 |
| Homestead | 737 | 88.1% | 2,973 Mbps | 6.5 | B | 41/100 |
| South Amana | 479 | 87.1% | 5,047 Mbps | 6.4 | B+ | 41/100 |
| Sharon Center | 429 | 100.0% | 1,000 Mbps | 3.5 | C+ | 30/100 |
Who is the Fastest Internet Provider in Windham?
According to unbiased feedback from real internet customers, they reported being happiest with speeds provided by Windstream. On the other hand, based on data provided by the internet providers to the FCC, Sharon Telephone Company, South Slope, and Wellman Telephone Cooperative Association should have faster speeds at a local level. While we typically put more weight on real-world customer ratings, we display both satisfaction and technical maximum information for customers to decide for themselves.
Data Reported to FCC by ISPs: Average Maximum Available in Windham
| South Slope | 1,000 |
|---|---|
| Sharon Telephone Company | 1,000 |
| Wellman Telephone Cooperative Association | 1,000 |
| Nextlink | 500 |
| Verizon | 300 |
| T-Mobile Home Internet | 100 |
| Viasat | 100 |
| Windstream | 100 |
| HughesNet | 25 |
| AT&T | 25 |
| EarthLink | 25 |
How fast is your internet?
Test your connection here and see it next to the speeds providers advertise in Windham. It takes about 20 seconds and, on a fast line, can move a few hundred MB of data.
Customer Ratings for Windham Internet Providers
Based on 25 reviews from Iowa internet customers, South Slope is the best internet service provider for Windham residents. South Slope was rated at an average of 4.36 out of 5 in our report for overall customer satisfaction. T-Mobile Home Internet wins for second-place in Iowa, with 4.40 out of 5 stars and 94.9% coverage in Windham.
At a national level, based on 2354 national reviews for any of the providers listed above, South Slope is rated higher than any other provider, with a rating of 4.42 out of 5.
Local, State, and National Ratings for all Windham Internet Providers
The table below shows average customer ratings from customers in Windham, Iowa, and customers throughout the country.
| ISP / Tech Type | Windham Overall | Iowa Overall | National Overall | For Service | ||
|---|---|---|---|---|---|---|
| South Slope | (0) | (11) | (12) | View Plans | ||
| T-Mobile Home Internet | (0) | (5) | (342) | View Plans | ||
| Verizon | (0) | (4) | (816) | View Plans | ||
| Windstream | (0) | (3) | (99) | View Plans | ||
| AT&T | (0) | (1) | (1051) | View Plans | ||
| Nextlink | (0) | (1) | (19) | View Plans | ||
| HughesNet | (0) | (0) | (25) | View Plans | ||
| EarthLink | (0) | (0) | (15) | View Plans | ||
| Viasat | (0) | (0) | (12) | View Plans | ||
| Wellman Telephone Cooperative Association | (0) | (0) | (0) | View Plans | ||
| Sharon Telephone Company | (0) | (0) | (0) | View Plans |
Customer Ratings for Internet Provider Speeds in Windham
Based on data reported by Windham ISPs to the FCC, the fastest speeds in the city are available through Sharon Telephone Company, South Slope, and Wellman Telephone Cooperative Association. These internet providers offer speeds up to 1,000 Mbps in Windham. Therefore, the average customer can get up to 1,000 Mbps if they’re willing to purchase the fastest subscription tier available at their homes.
However, actual customers rated their satisfaction with internet speed highest with Windstream. This indicates Windstream reliably delivers speeds expected by the customer based on the plan they are paying for.
| ISP / Tech Type | Windham Speed | Iowa Speed | National Speed | For Service | ||
|---|---|---|---|---|---|---|
| South Slope | (0) | (11) | (12) | View Plans | ||
| Windstream | (0) | (3) | (99) | View Plans | ||
| T-Mobile Home Internet | (0) | (5) | (342) | View Plans | ||
| Verizon | (0) | (4) | (816) | View Plans | ||
| AT&T | (0) | (1) | (1051) | View Plans | ||
| Nextlink | (0) | (1) | (19) | View Plans | ||
| HughesNet | (0) | (0) | (25) | View Plans | ||
| EarthLink | (0) | (0) | (15) | View Plans | ||
| Viasat | (0) | (0) | (12) | View Plans | ||
| Wellman Telephone Cooperative Association | (0) | (0) | (0) | View Plans | ||
| Sharon Telephone Company | (0) | (0) | (0) | View Plans |
Who is the Cheapest Internet Provider in Windham?
Of the providers in Windham, customers rate T-Mobile Home Internet the best for price. Data comes from customers rating their satisfaction with pricing: in Windham where enough of them have reviewed a provider, otherwise across Iowa or the country. This feedback is valuable because it considers price changes and whether the speeds paid for are worth it.
T-Mobile Home Internet is rated 4.00 out of 5 for price, which is higher than the average across all internet providers in the country. Verizon is rated second for affordability, with an average price rating of 3.75 out of 5.
The table below shows how customers in Windham, Iowa, and the United States rated the affordability of their internet service.
Rated Affordability in Windham
| ISP / Tech Type | Windham Affordability | Iowa Affordability | National Affordability | For Service | ||
|---|---|---|---|---|---|---|
| T-Mobile Home Internet | (0) | (5) | (342) | View Plans | ||
| South Slope | (0) | (11) | (12) | View Plans | ||
| Verizon | (0) | (4) | (816) | View Plans | ||
| AT&T | (0) | (1) | (1051) | View Plans | ||
| Windstream | (0) | (3) | (99) | View Plans | ||
| Nextlink | (0) | (1) | (19) | View Plans | ||
| HughesNet | (0) | (0) | (25) | View Plans | ||
| EarthLink | (0) | (0) | (15) | View Plans | ||
| Viasat | (0) | (0) | (12) | View Plans | ||
| Wellman Telephone Cooperative Association | (0) | (0) | (0) | View Plans | ||
| Sharon Telephone Company | (0) | (0) | (0) | View Plans |
Customer Reviews for Internet Service Providers in Iowa
Customer Reviews
Steve S.
ImOn Communications Fiber
November 04, 2026 Install was sloppy, wire hanging inside and outside. My main issue was the price kept increasing. The customer support took over a hour to speak to someone and then another hour of testing before they would isue replacement equipment.
ISPReports User
Metronet Fiber
October 14, 2026 great
Tim W
ImOn Communications Fiber
October 08, 2026 Poor signal strength intermittent speeds and I need the signal I pay for
Diane
Comelec Internet Services
September 01, 2026 Great so far. Brian Evans did a great job. Give him a 5
ISPReports User
Partner Communications Cooperative Fiber
July 01, 2026 awful. the key advantage of fiber technology is symmetrical upload and download speeds - fiber optic with pcctel is unreliable and awful. rarely have had symmetrical speeds with this service do NOT recommend pcctel
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Which ISP Should You Choose in Windham?
The right ISP for you depends upon your needs, but in general we can make the following suggestions:
- The best all-around internet service provider in Windham is South Slope.
- The fastest internet provider should be Sharon Telephone Company, South Slope, and Wellman Telephone Cooperative Association. Considering speed for the money and reliability in speeds, Windstream may be a better choice based on real-world local customer feedback.
- The most affordable internet provider in Windham is T-Mobile Home Internet.
- Viasat, T-Mobile Home Internet, and HughesNet has the broadest coverage in Windham, available to 94.9% of homes, and is most likely to cover your home. To find out exactly what’s available at your home, please use our address search tool.
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