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Best Internet Providers in Diagonal, IA

All 5 providers, ranked by coverage, speed and customer ratings

Diagonal has 5 internet service providers, they are sorted by coverage, available speed, and customer rating from our unbiased internet provider report. DSL and Fixed Wireless internet are available in the city. Reviews are grouped by provider and the type of service they offer, covering all 2 available internet technologies in Diagonal.

This page reflects the most recent FCC update from October 19, 2026, based on the Broadband Data Collection as of December 31, 2025.

What changed
Homes with fiber0.0%Ringgold County 7.3%bottom 22%
Average top speed751 MbpsRinggold County 883 Mbpsbottom 27%
Providers52.9 at a typical addressbottom 28%
Homes with internet87%Ringgold County 87%top 45%
ISP Report CardD-score 9 of 100bottom 9%
Connectivity index36/100Ringgold County 36/100bottom 43%

Ranks compare Diagonal with the 31,388 US places under 1,000 people, the tiers of our fastest-cities rankings.

The Best Internet in Diagonal, IA at a Glance

Top rankedSee the full rankingFirst in our Diagonal ranking by coverage, speed and customer ratings.See plans
FastestNextlinkUp to 1,000 Mbps advertised to the FCCCompare speeds
Best ratedWindstreamRated 4.33 out of 5 by its customers, available to 78.23% of homesSee plans
Lowest priceSee prices by providerListed prices appear on each provider below.See plans

Diagonal Internet Providers, Ranked by Coverage, Speed and Customer Ratings

Windstream

Windstream logo

Availability:

78.2%

Customer Rating:

3.4 of 5 stars

(99)

View Plans

1-866-558-4090 Price: Starting at $19.99 / mo.

Connection

Availability

Avg. Download Speed InfoThe highest download speed available in Diagonal.

Max Download Speed InfoCalculated from the maximum speeds available to most Diagonal residents, weighted by block population.

Customer Rating

DSL

74.2%

128 Mbps

200 Mbps

DSL: 3.0 of 5 stars

(52)

Fixed Wireless

6.8%

68 Mbps

100 Mbps

Wireless: 3.0 of 5 stars

(4)

BST Wifi

BST Wifi logo

Availability:

95.5%

Customer Rating:

0.0 of 5 stars

(0)

View Plans

Price:

Connection

Availability

Avg. Download Speed InfoThe highest download speed available in Diagonal.

Max Download Speed InfoCalculated from the maximum speeds available to most Diagonal residents, weighted by block population.

Customer Rating

Fixed Wireless

95.5%

89 Mbps

100 Mbps

Wireless: 0.0 of 5 stars

(0)

Nextlink

Nextlink logo

Availability:

92.7%

Customer Rating:

3.0 of 5 stars

(19)

View Plans

Price: $40.00 - $90.00 / mo.

Connection

Availability

Avg. Download Speed InfoThe highest download speed available in Diagonal.

Max Download Speed InfoCalculated from the maximum speeds available to most Diagonal residents, weighted by block population.

Customer Rating

Fixed Wireless

92.7%

799 Mbps

1,000 Mbps

Wireless: 3.3 of 5 stars

(14)

T-Mobile Home Internet

T-Mobile Home Internet logo

Availability:

11.0%

Customer Rating:

4.0 of 5 stars

(342)

View Plans

1-833-601-2935 Price: Starting at $55.00 / mo.

Connection

Availability

Avg. Download Speed InfoThe highest download speed available in Diagonal.

Max Download Speed InfoCalculated from the maximum speeds available to most Diagonal residents, weighted by block population.

Customer Rating

Fixed Wireless

11.0%

34 Mbps

100 Mbps

Wireless: 4.0 of 5 stars

(342)

Verizon

Verizon logo

Availability:

7.9%

Customer Rating:

3.8 of 5 stars

(816)

View Plans

1-833-213-7018 Price: $50.00 / mo.

Connection

Availability

Avg. Download Speed InfoThe highest download speed available in Diagonal.

Max Download Speed InfoCalculated from the maximum speeds available to most Diagonal residents, weighted by block population.

Customer Rating

Fixed Wireless

7.9%

120 Mbps

300 Mbps

Wireless: 3.6 of 5 stars

(362)

Satellite providers, which generally offer 100% coverage across the United States, are available for Diagonal residents as well. Some of the top satellite options include Dish Network, DirecTV, HughesNet, Viasat, and Starlink. These providers offer varied services and pricing, giving residents flexibility in choosing the best option for their location and needs.

Starlink

Starlink logo

Availability:

100%

Customer Rating:

3.9 of 5 stars

(65)

View Plans

Price: $55.00 - $130.00 / mo.

Viasat

Viasat logo

Availability:

100%

Customer Rating:

1.7 of 5 stars

(12)

View Plans

1-833-875-1370 Price: $69.99 - $179.99 / mo.

DirecTV

DirecTV logo

Availability:

100%

Customer Rating:

4.3 of 5 stars

(9)

Dish

Dish logo

Availability:

100%

Customer Rating:

3.7 of 5 stars

(13)

View Plans

1-833-875-1332 Price: $55.00 / mo.

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 Diagonal ratings may vary and are shown below.

Who is the Best Internet Provider in Diagonal, IA?

Windstream is the best internet provider in Diagonal based on Iowa customer satisfaction ratings and reviews. Based on our extensive and unbiased survey, Windstream had the best reviews at the local, state, and national levels versus all available providers in Diagonal, making it a solid recommendation among providers with reviews. Windstream is an option for 78.23% of the city.

Click here to get Windstream

or call 1-866-558-4090

Which Providers are Available at my Home in Diagonal?

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.

Diagonal, IA map of internet availability

How Diagonal Compares to Places Its Size

Diagonal's report card score is in the bottom 9% and its connectivity index is in the bottom 43%.

D-score 9 of 100ISP Report CardGrades what providers offer: fiber availability, the download speed most homes can get and the number of providers at a typical address.bottom 9%
36/100Ringgold County 36/100, US 69/100Digital Connectivity IndexMeasures how much households need and use the internet: household size, working from home, devices and subscriptions.bottom 43%
Measure Diagonal Rank among US places under 1,000 people Ringgold County Iowa US Leader
ISP Report Card inputs: what providers offer here
Fiber availability 0.0% bottom 22% 7.3% 84.3% 71.5% 6,946 places at 100.0%
Average top speed 751 Mbps bottom 27% 883 Mbps 3,256 Mbps 3,486 Mbps Fairmount, TN and Falling Water, TN and 5 more (25,000 Mbps)
Providers at a typical address 2.9 bottom 28% 4.5 6.8 7.1 Los Prados, PR (15.1)
Connectivity index inputs: how much households need and use the internet
People per household 2.3 bottom 36% 2.4 2.4 2.7 Paguate, NM (13.4)
Workers who work from home 17% top 15% 10% 12% 15% Boys Town, NE (100%)
Homes with a computer, tablet or phone 97% top 16% 93% 95% 96% 1,494 places at 100%
Homes with internet 87% top 45% 87% 89% 91% 370 places at 100%
Homes on fiber, cable or DSL 42% bottom 22% 57% 72% 76% 23 places at 100%
More about the households here
Homes with a desktop or laptop 76% top 37% 68% 78% 81% 72 places at 100%
Median household income $73,182 top 44% $74,122 $82,468 $93,246 22 places at $250,001
Residents in school (6th grade to college) 12% top 44% 11% 16% 16% University at Buffalo, NY (100%)

Fiber reaches 0.0% of homes in Diagonal, against 7.3% across Ringgold County and 84.3% across Iowa. Households in Diagonal are smaller than the US average (2.3 people against 2.7); 17% of workers work from home (US 15%); and the median household income is $73,182 (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 Diagonal

Which Fiber Internet Providers are Available in Diagonal?

According to the most recently submitted data by internet service providers to the FCC, there are currently no fiber providers available in Diagonal, IA.

Which Fixed Wireless and LTE Internet Providers are Available in Diagonal?

BST Wifi Fixed Wireless in Diagonal, IA

BST Wifi logo

Availability:

95.5%

Customer Rating:

 of 5 stars

(0)

Avg. Download Speed

89 Mbps

BST Wifi offers Fixed Wireless service to 95.5% of Diagonal homes. Across the city, BST Wifi Fixed Wireless is the only type of service available from the company, with 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 3.0 and as high as 25, with an average of 21 Mbps throughout the city. BST Wifi Fixed Wireless is rated other types of internet service available in Diagonal from BST Wifi in terms of customer satisfaction.

Nextlink Fixed Wireless in Diagonal, IA

Nextlink logo

Availability:

92.7%

Customer Rating:

3.3 of 5 stars

(14)

Avg. Download Speed

799 Mbps

Nextlink offers Fixed Wireless service to 92.7% of Diagonal homes. Across the city, Nextlink Fixed Wireless is the only type of service available from the company, with speeds up to 799 Mbps, with speeds from 100 Mpbs up to 1,000 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 20 and as high as 1,000, with an average of 693 Mbps throughout the city. Nextlink Fixed Wireless is rated other types of internet service available in Diagonal from Nextlink in terms of customer satisfaction.

T-Mobile Home Internet Fixed Wireless in Diagonal, IA

T-Mobile Home Internet logo

Availability:

11.0%

Customer Rating:

4.0 of 5 stars

(342)

Avg. Download Speed

34 Mbps

T-Mobile Home Internet offers Fixed Wireless service to 11.0% of Diagonal homes. Across the city, T-Mobile Home Internet Fixed Wireless is the only type of service available from the company, with speeds up to 34 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 5.0 Mbps throughout the city. T-Mobile Home Internet Fixed Wireless is rated other types of internet service available in Diagonal from T-Mobile Home Internet in terms of customer satisfaction.

Verizon Fixed Wireless in Diagonal, IA

Verizon logo

Availability:

7.9%

Customer Rating:

3.6 of 5 stars

(362)

Avg. Download Speed

120 Mbps

Verizon offers Fixed Wireless service to 7.9% of Diagonal homes. Across the city, Verizon Fixed Wireless is the only type of service available from the company, with speeds up to 120 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 11 Mbps throughout the city. Verizon Fixed Wireless is rated other types of internet service available in Diagonal from Verizon in terms of customer satisfaction.

Windstream Fixed Wireless in Diagonal, IA

Windstream logo

Availability:

6.8%

Customer Rating:

3.0 of 5 stars

(4)

Avg. Download Speed

68 Mbps

Windstream offers Fixed Wireless service to 6.8% of Diagonal homes. Across the city, Windstream Fixed Wireless has speeds up to 68 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 7.7 Mbps throughout the city. Windstream Fixed Wireless is rated other types of internet service available in Diagonal from Windstream in terms of customer satisfaction.

Which Cable Internet Providers are Available in Diagonal?

According to the most recently submitted data by internet service providers to the FCC, there are currently no cable providers available in Diagonal, IA.

Which DSL Internet Providers are Available in Diagonal?

Windstream DSL in Diagonal, IA

Windstream logo

Availability:

74.2%

Customer Rating:

3.0 of 5 stars

(52)

Avg. Download Speed

128 Mbps

Windstream offers DSL service to 74.2% of Diagonal homes. Across the city, Windstream DSL has speeds up to 128 Mbps, with speeds from 10 Mpbs up to 200 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 1.0 and as high as 20, with an average of 15 Mbps throughout the city. Windstream DSL is rated higher than other types of internet service available in Diagonal from Windstream in terms of customer satisfaction.

Internet in Diagonal by Neighborhood and ZIP Code

Diagonal has 1 ZIP code with its own page. Each row links to that place’s page.

Neighborhoods in Diagonal

Neighborhood People Homes with fiber Average top speed Providers at a typical address Report card Connectivity

ZIP codes in Diagonal

ZIP code People Homes with fiber Average top speed Providers at a typical address Report card Connectivity
50845809 0.0%769 Mbps2.8D-35/100

How Diagonal Compares to Nearby Places

The 10 places nearest to Diagonal that have their own pages are all within 13 miles. Among them, Lenox has the most homes with fiber (85.8%) and Mount Ayr the fewest (11.1%); Diagonal has 0.0%.

Place People Homes with fiber Average top speed Providers at a typical address Report card Connectivity
Diagonal (this page)620 0.0%751 Mbps2.9D-36/100
Mount Ayr2,023 11.1%1,016 Mbps5.8C-42/100
Lenox1,608 85.8%804 Mbps4.7C32/100
Clearfield537 0.0%702 Mbps3.7D-20/100
Kent381 0.0%818 Mbps3.5D-30/100
Tingley292 0.0%519 Mbps3.1D-38/100
Shannon City267 0.0%738 Mbps3.1D-25/100
Delphos174 0.0%839 Mbps4D-22/100
Arispe164 4.9%977 Mbps3.6D23/100
Benton136 0.0%806 Mbps3.8D-36/100
Maloy62 9.7%938 Mbps3D35/100

Who is the Fastest Internet Provider in Diagonal?

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, Nextlink 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 Diagonal

Max Advertised Speed in Diagonal, IA
Nextlink1,000
Verizon300
Windstream200
BST Wifi100
Viasat100
T-Mobile Home Internet100
HughesNet25

How fast is your internet?

Test your connection here and see it next to the speeds providers advertise in Diagonal. It takes about 20 seconds and, on a fast line, can move a few hundred MB of data.

Customer Ratings for Diagonal Internet Providers

Based on 13 reviews from Iowa internet customers, Windstream is the best internet service provider for Diagonal residents. Windstream was rated at an average of 4.33 out of 5 in our report for overall customer satisfaction. Nextlink wins for second-place in Iowa, with 2.00 out of 5 stars and 92.7% coverage in Diagonal.

At a national level, based on 1276 national reviews for any of the providers listed above, Windstream is rated higher than any other provider, with a rating of 3.35 out of 5.

Local, State, and National Ratings for all Diagonal Internet Providers

The table below shows average customer ratings from customers in Diagonal, Iowa, and customers throughout the country.

ISP / Tech TypeDiagonal OverallIowa OverallNational OverallFor Service
T-Mobile Home InternetNo rating yet (0)4.5 of 5 stars (5)4 of 5 stars (342)View Plans
VerizonNo rating yet (0)4.5 of 5 stars (4)4 of 5 stars (816)View Plans
WindstreamNo rating yet (0)4.5 of 5 stars (3)3.5 of 5 stars (99)View Plans
NextlinkNo rating yet (0)2 of 5 stars (1)3 of 5 stars (19)View Plans
HughesNetNo rating yet (0)No rating yet (0)2.5 of 5 stars (25)View Plans
ViasatNo rating yet (0)No rating yet (0)1.5 of 5 stars (12)View Plans
BST WifiNo rating yet (0)No rating yet (0)No rating yet (0)View Plans

Customer Ratings for Internet Provider Speeds in Diagonal

Based on data reported by Diagonal ISPs to the FCC, the fastest speeds in the city are available through Nextlink. The company offers speeds up to 1,000 Mbps in Diagonal. Therefore, the average customer can get up to 799 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 TypeDiagonal SpeedIowa SpeedNational SpeedFor Service
WindstreamNo rating yet (0)4.5 of 5 stars (3)3.5 of 5 stars (99)View Plans
T-Mobile Home InternetNo rating yet (0)4 of 5 stars (5)4 of 5 stars (342)View Plans
VerizonNo rating yet (0)4.5 of 5 stars (4)4 of 5 stars (816)View Plans
NextlinkNo rating yet (0)1 of 5 stars (1)2.5 of 5 stars (19)View Plans
HughesNetNo rating yet (0)No rating yet (0)2.5 of 5 stars (25)View Plans
ViasatNo rating yet (0)No rating yet (0)1.5 of 5 stars (12)View Plans
BST WifiNo rating yet (0)No rating yet (0)No rating yet (0)View Plans

Who is the Cheapest Internet Provider in Diagonal?

Of the providers in Diagonal, customers rate Windstream the best for price. Data comes from customers rating their satisfaction with pricing: in Diagonal 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.

Windstream is rated 3.33 out of 5 for price, which is lower than the average across all internet providers in the country. Nextlink is rated second for affordability, with an average price rating of 2.00 out of 5.

The table below shows how customers in Diagonal, Iowa, and the United States rated the affordability of their internet service.

Rated Affordability in Diagonal

ISP / Tech TypeDiagonal AffordabilityIowa AffordabilityNational AffordabilityFor Service
T-Mobile Home InternetNo rating yet (0)4 of 5 stars (5)4 of 5 stars (342)View Plans
VerizonNo rating yet (0)4 of 5 stars (4)3.5 of 5 stars (816)View Plans
WindstreamNo rating yet (0)3.5 of 5 stars (3)3 of 5 stars (99)View Plans
NextlinkNo rating yet (0)2 of 5 stars (1)3 of 5 stars (19)View Plans
HughesNetNo rating yet (0)No rating yet (0)2.5 of 5 stars (25)View Plans
ViasatNo rating yet (0)No rating yet (0)1.5 of 5 stars (12)View Plans
BST WifiNo rating yet (0)No rating yet (0)No rating yet (0)View Plans

Customer Reviews for Internet Service Providers in Iowa

Customer Reviews

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Steve S.

ImOn Communications Fiber

2 of 5 stars 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.

Plan Pricing: 2 of 5 stars
Internet Speed: 3 of 5 stars
Overall Rating: 2 of 5 stars

ISPReports User

Metronet Fiber

5 of 5 stars October 14, 2026

great

Plan Pricing: No rating yet
Internet Speed: No rating yet
Overall Rating: 5 of 5 stars

Tim W

ImOn Communications Fiber

1 of 5 stars October 08, 2026

Poor signal strength intermittent speeds and I need the signal I pay for

Plan Pricing: 1 of 5 stars
Internet Speed: 1 of 5 stars
Overall Rating: 1 of 5 stars

Diane

Comelec Internet Services

5 of 5 stars September 01, 2026

Great so far. Brian Evans did a great job. Give him a 5

Plan Pricing: No rating yet
Internet Speed: No rating yet
Overall Rating: 5 of 5 stars

ISPReports User

Partner Communications Cooperative Fiber

1 of 5 stars 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

Plan Pricing: 1 of 5 stars
Internet Speed: 1 of 5 stars
Overall Rating: 1 of 5 stars

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Which ISP Should You Choose in Diagonal?

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 Diagonal is Windstream.
  • The fastest internet provider should be Nextlink. 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 Diagonal is Windstream.
  • Viasat, HughesNet, and BST Wifi has the broadest coverage in Diagonal, available to 95.5% 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.