Best Internet Providers in Portsmouth, IA
All 8 providers, ranked by coverage, speed and customer ratings
Find internet availability by address in Portsmouth, IA
Portsmouth has 8 internet service providers, they are sorted by coverage, available speed, and customer rating from our unbiased internet provider report. Fiber, DSL, and Fixed Wireless 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 Portsmouth.
Ranks compare Portsmouth with the 31,388 US places under 1,000 people, the tiers of our fastest-cities rankings.
The Best Internet in Portsmouth, IA at a Glance
Portsmouth Internet Providers, Ranked by Coverage, Speed and Customer Ratings
Windstream
Connection
Customer Rating
DSL
Fixed Wireless
FMCTC
Connection
Customer Rating
Fiber
Verizon
Connection
Customer Rating
Fixed Wireless
Nextlink
Connection
Customer Rating
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 Portsmouth ratings may vary and are shown below.
Who is the Best Internet Provider in Portsmouth, IA?
Verizon is the best internet provider in Portsmouth based on Iowa customer satisfaction ratings and reviews. Based on our extensive and unbiased survey, Verizon had the best reviews at the local, state, and national levels versus all available providers in Portsmouth, making it a solid recommendation among providers with reviews. Verizon is an option for 96.51% of the city.
or call 1-833-213-7018
Which Providers are Available at my Home in Portsmouth?
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 Portsmouth
- Nextlink - fixed wireless coverage map
- FMCTC - fiber coverage map
- Verizon - fixed wireless coverage map
- Windstream - dsl coverage map
- Western Iowa Wireless - fixed wireless coverage map
- Windstream - fixed wireless coverage map
- T-Mobile Home Internet - fixed wireless coverage map
- AT&T - fixed wireless coverage map
- EarthLink - fixed wireless coverage map
How Portsmouth Compares to Places Its Size
Portsmouth's report card score is in the bottom 34% and its connectivity index is in the top 19%.
| Measure | Portsmouth | Rank among US places under 1,000 people | Shelby County | Iowa | US | Leader |
|---|---|---|---|---|---|---|
| ISP Report Card inputs: what providers offer here | ||||||
| Fiber availability | 66.0% | bottom 47% | 96.8% | 84.3% | 71.5% | 6,946 places at 100.0% |
| Average top speed | 708 Mbps | bottom 26% | 894 Mbps | 3,256 Mbps | 3,486 Mbps | Fairmount, TN and Falling Water, TN and 5 more (25,000 Mbps) |
| Providers at a typical address | 3.7 | bottom 43% | 5 | 6.8 | 7.1 | Los Prados, PR (15.1) |
| Connectivity index inputs: how much households need and use the internet | ||||||
| People per household | 2.2 | bottom 24% | 2.4 | 2.4 | 2.7 | Paguate, NM (13.4) |
| Workers who work from home | 14% | top 24% | 13% | 12% | 15% | Boys Town, NE (100%) |
| Homes with a computer, tablet or phone | 96% | top 23% | 91% | 95% | 96% | 1,494 places at 100% |
| Homes with internet | 96% | top 6% | 88% | 89% | 91% | 370 places at 100% |
| Homes on fiber, cable or DSL | 71% | top 23% | 72% | 72% | 76% | 23 places at 100% |
| More about the households here | ||||||
| Homes with a desktop or laptop | 88% | top 8% | 75% | 78% | 81% | 72 places at 100% |
| Median household income | $97,780 | top 13% | $74,798 | $82,468 | $93,246 | 22 places at $250,001 |
| Residents in school (6th grade to college) | 11% | bottom 47% | 13% | 16% | 16% | University at Buffalo, NY (100%) |
Fiber reaches 66.0% of homes in Portsmouth, against 96.8% across Shelby County and 84.3% across Iowa. Households in Portsmouth are smaller than the US average (2.2 people against 2.7); 14% of workers work from home (US 15%); and the median household income is $97,780 (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 Portsmouth
Which Fiber Internet Providers are Available in Portsmouth?
FMCTC Fiber in Portsmouth, IA
Availability:
66.0%
Customer Rating:
(0)
Avg. Download Speed
400 Mbps
FMCTC offers Fiber service to 66.0% of Portsmouth homes. Across the city, FMCTC Fiber is the only type of service available from the company, with speeds up to 400 Mbps
Which Fixed Wireless and LTE Internet Providers are Available in Portsmouth?
Verizon Fixed Wireless in Portsmouth, IA
Availability:
96.5%
Customer Rating:
(362)
Avg. Download Speed
258 Mbps
Verizon offers Fixed Wireless service to 96.5% of Portsmouth homes. Across the city, Verizon Fixed Wireless is the only type of service available from the company, with speeds up to 258 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 18 Mbps throughout the city.
Nextlink Fixed Wireless in Portsmouth, IA
Availability:
85.2%
Customer Rating:
(14)
Avg. Download Speed
757 Mbps
Nextlink offers Fixed Wireless service to 85.2% of Portsmouth homes. Across the city, Nextlink Fixed Wireless is the only type of service available from the company, with speeds up to 757 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 579 Mbps throughout the city.
Windstream Fixed Wireless in Portsmouth, IA
Availability:
24.6%
Customer Rating:
(4)
Avg. Download Speed
65 Mbps
Windstream offers Fixed Wireless service to 24.6% of Portsmouth homes. Across the city, Windstream Fixed Wireless has speeds up to 65 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 7.3 Mbps throughout the city.
Western Iowa Wireless Fixed Wireless in Portsmouth, IA
Availability:
10.7%
Customer Rating:
(0)
Avg. Download Speed
278 Mbps
Western Iowa Wireless offers Fixed Wireless service to 10.7% of Portsmouth homes. Across the city, Western Iowa Wireless Fixed Wireless is the only type of service available from the company, with speeds up to 278 Mbps, with speeds from 25 Mpbs up to 300 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 5.0 and as high as 100, with an average of 92 Mbps throughout the city.
EarthLink Fixed Wireless in Portsmouth, IA
Availability:
3.9%
Customer Rating:
(4)
Avg. Download Speed
25 Mbps
EarthLink offers Fixed Wireless service to 3.9% of Portsmouth homes. Across the city, EarthLink Fixed Wireless is the only type of service available from the company, with speeds up to 25 Mbps
T-Mobile Home Internet Fixed Wireless in Portsmouth, IA
Availability:
3.9%
Customer Rating:
(342)
Avg. Download Speed
83 Mbps
T-Mobile Home Internet offers Fixed Wireless service to 3.9% of Portsmouth homes. Across the city, T-Mobile Home Internet Fixed Wireless is the only type of service available from the company, with speeds up to 83 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 16 Mbps throughout the city.
AT&T Fixed Wireless in Portsmouth, IA
Availability:
3.9%
Customer Rating:
(205)
Avg. Download Speed
25 Mbps
AT&T offers Fixed Wireless service to 3.9% of Portsmouth homes. Across the city, AT&T 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 Portsmouth?
According to the most recently submitted data by internet service providers to the FCC, there are currently no cable providers available in Portsmouth, IA.
Which DSL Internet Providers are Available in Portsmouth?
Windstream DSL in Portsmouth, IA
Availability:
67.3%
Customer Rating:
(52)
Avg. Download Speed
126 Mbps
Windstream offers DSL service to 67.3% of Portsmouth homes. Across the city, Windstream DSL has speeds up to 126 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 14 Mbps throughout the city. Windstream DSL is rated higher than other types of internet service available in Portsmouth from Windstream in terms of customer satisfaction.
Internet in Portsmouth by Neighborhood and ZIP Code
Portsmouth has 1 ZIP code with its own page. Each row links to that place’s page.
Neighborhoods in Portsmouth
| Neighborhood | People | Homes with fiber | Average top speed | Providers at a typical address | Report card | Connectivity |
|---|
ZIP codes in Portsmouth
| ZIP code | People | Homes with fiber | Average top speed | Providers at a typical address | Report card | Connectivity |
|---|---|---|---|---|---|---|
| 51565 | 530 | 65.5% | 718 Mbps | 3.8 | D+ | 59/100 |
How Portsmouth Compares to Nearby Places
The 10 places nearest to Portsmouth that have their own pages are all within 14 miles. Among them, Harlan has the most homes with fiber (99.0%) and Logan the fewest (48.8%); Portsmouth has 66.0%.
| Place | People | Homes with fiber | Average top speed | Providers at a typical address | Report card | Connectivity |
|---|---|---|---|---|---|---|
| Portsmouth (this page) | 459 | 66.0% | 708 Mbps | 3.7 | D+ | 59/100 |
| Harlan | 5,897 | 99.0% | 908 Mbps | 6.6 | B | 49/100 |
| Logan | 2,820 | 48.8% | 1,413 Mbps | 5.3 | C | 61/100 |
| Woodbine | 2,351 | 66.5% | 1,553 Mbps | 7.3 | B- | 42/100 |
| Minden | 1,110 | 71.5% | 852 Mbps | 4.2 | C- | 50/100 |
| Shelby | 1,075 | 81.7% | 1,580 Mbps | 4.9 | C+ | 39/100 |
| Persia | 767 | 41.7% | 1,201 Mbps | 4.2 | C- | 51/100 |
| Earling | 638 | 95.1% | 916 Mbps | 2.7 | C- | 29/100 |
| Panama | 528 | 85.0% | 862 Mbps | 3.5 | C- | 63/100 |
| Westphalia | 398 | 100.0% | 653 Mbps | 5.6 | B- | 61/100 |
| Tennant | 250 | 94.8% | 561 Mbps | 4.3 | C | 45/100 |
Who is the Fastest Internet Provider in Portsmouth?
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 Portsmouth
| Windstream | 2,000 |
|---|---|
| Nextlink | 1,000 |
| FMCTC | 400 |
| Verizon | 300 |
| Western Iowa Wireless | 300 |
| Viasat | 100 |
| T-Mobile Home Internet | 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 Portsmouth. It takes about 20 seconds and, on a fast line, can move a few hundred MB of data.
Customer Ratings for Portsmouth Internet Providers
Based on 14 reviews from Iowa internet customers, Verizon is the best internet service provider for Portsmouth residents. Verizon was rated at an average of 4.50 out of 5 in our report for overall customer satisfaction. Windstream wins for second-place in Iowa, with 4.33 out of 5 stars and 84.3% coverage in Portsmouth.
At a national level, based on 2342 national reviews for any of the providers listed above, Verizon is rated higher than any other provider, with a rating of 3.76 out of 5.
Local, State, and National Ratings for all Portsmouth Internet Providers
The table below shows average customer ratings from customers in Portsmouth, Iowa, and customers throughout the country.
| ISP / Tech Type | Portsmouth Overall | Iowa Overall | National Overall | For Service | ||
|---|---|---|---|---|---|---|
| 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 | ||
| Western Iowa Wireless | (0) | (0) | (0) | View Plans | ||
| FMCTC | (0) | (0) | (0) | View Plans |
Customer Ratings for Internet Provider Speeds in Portsmouth
Based on data reported by Portsmouth ISPs to the FCC, the fastest speeds in the city are available through Nextlink. The company offers speeds up to 1,000 Mbps in Portsmouth. Therefore, the average customer can get up to 757 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 | Portsmouth Speed | Iowa Speed | National Speed | For Service | ||
|---|---|---|---|---|---|---|
| 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 | ||
| Western Iowa Wireless | (0) | (0) | (0) | View Plans | ||
| FMCTC | (0) | (0) | (0) | View Plans |
Who is the Cheapest Internet Provider in Portsmouth?
Of the providers in Portsmouth, customers rate Verizon the best for price. Data comes from customers rating their satisfaction with pricing: in Portsmouth 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.
Verizon is rated 3.75 out of 5 for price, which is similar to the average across all internet providers in the country. Windstream is rated second for affordability, with an average price rating of 3.33 out of 5.
The table below shows how customers in Portsmouth, Iowa, and the United States rated the affordability of their internet service.
Rated Affordability in Portsmouth
| ISP / Tech Type | Portsmouth Affordability | Iowa Affordability | National Affordability | For Service | ||
|---|---|---|---|---|---|---|
| T-Mobile Home Internet | (0) | (5) | (342) | 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 | ||
| Western Iowa Wireless | (0) | (0) | (0) | View Plans | ||
| FMCTC | (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 Portsmouth?
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 Portsmouth is Verizon.
- 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 Portsmouth is Verizon.
- Viasat, Verizon, and HughesNet has the broadest coverage in Portsmouth, available to 96.5% 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.