12 Best Internet Providers in Sullivan County, NH
Find internet availability by address in Sullivan County, NH
Jump to: Best Internet Provider | Availability Maps | Customer Reviews | Sullivan County ISP Report Card | Business Internet in Sullivan County
| Sullivan County ISP Report Card | B- | |
| Download Speed for Most Households | 1,987 Mbps | |
| Number of Internet Service Providers | 12 | |
| Real Sullivan County Customer Ratings | 2 |
This page reflects the most recent FCC update from January 06, 2026, based on the Broadband Data Collection as of June 30, 2025.
This page reflects the most recent FCC update from January 06, 2026, based on the Broadband Data Collection as of June 30, 2025.
Sullivan County has 12 internet service providers, they are sorted by coverage, available speed, and customer rating from our unbiased internet provider report. Fiber, Cable, Fixed Wireless, and DSL internet are available in the county. Reviews are grouped by provider and the type of service they offer, covering all 4 available internet technologies in Sullivan County.
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Sullivan County has 12 internet service providers, they are sorted by coverage, available speed, and customer rating from our unbiased internet provider report. Fiber, Cable, Fixed Wireless, and DSL internet are available in the county. Reviews are grouped by provider and the type of service they offer, covering all 4 available internet technologies in Sullivan County.
Compare Providers Ranked by Coverage, Speed, and Customer Ratings
XFINITY
Connection
Customer Rating
Cable
Fidium
Connection
Customer Rating
Fiber
DSL
New Hampshire Electric Co-op
Connection
Customer Rating
Fiber
HUB66
Connection
Customer Rating
Fiber
Above are the top 4 providers in Sullivan County, NH for most people based on high speed internet coverage, speeds, and customer reviews. Click below to see all providers in your county.
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 Sullivan County ratings may vary and are shown below.
Who is the Best Internet Provider in Sullivan County, NH?
TDS is the best internet provider in Sullivan County based on New Hampshire customer satisfaction ratings and reviews. Based on our extensive and unbiased survey, TDS had the best reviews at the local, state, and national levels versus all available providers in Sullivan County, making it a solid recommendation among providers with reviews. Unfortunately, TDS is an option for 3.57% of the county.
or call 1-844-492-7128
The chart and table below show average customer ratings from customers in Sullivan County, New Hampshire, and customers throughout the country.
Top Rated Internet Providers in Sullivan County
Local, State, and National Ratings for all Sullivan County Internet Providers
| ISP / Tech Type | Sullivan County Overall | New Hampshire Overall | National Overall | For Service | ||
|---|---|---|---|---|---|---|
| TDS | (1) | (1) | (28) | View Plans | ||
| XFINITY | (1) | (32) | (2164) | View Plans | ||
| New Hampshire Electric Co-op | (0) | (1) | (1) | View Plans | ||
| Granite State Communications | (0) | (2) | (2) | View Plans | ||
| Verizon | (0) | (3) | (723) | View Plans | ||
| Fidium | (0) | (8) | (70) | View Plans | ||
| T-Mobile Home Internet | (0) | (1) | (284) | View Plans | ||
| HughesNet | (0) | (1) | (18) | View Plans | ||
| AT&T | (0) | (0) | (924) | View Plans | ||
| US Cellular | (0) | (0) | (15) | View Plans | ||
| EarthLink | (0) | (0) | (12) | View Plans | ||
| Viasat | (0) | (0) | (11) | View Plans | ||
| VTel Wireless | (0) | (0) | (0) | View Plans | ||
| HUB66 | (0) | (0) | (0) | View Plans |
Based on 49 reviews from New Hampshire internet customers, TDS is the best internet service provider for Sullivan County residents. TDS was rated at an average of 4.00 out of 5 in our report for overall customer satisfaction. XFINITY from Comcast wins for second-place in New Hampshire, with 1.00 out of 5 stars and 85.5% coverage in Sullivan County.
At a national level, based on 4252 national reviews for any of the providers listed above, New Hampshire Electric Co-op is rated higher than any other provider, with a rating of 5.00 out of 5.
Which Providers are Available at my Home in Sullivan County?
a different provider.

Internet Availability Key
Speeds and coverage vary within the county, and sometimes even from block to block. The map shows speeds per provider and where each provider is available.
Who is the Fastest Internet Provider in Sullivan County?
According to unbiased feedback from real internet customers in the county, they reported being happiest with speeds provided by XFINITY from Comcast. On the other hand, based on data provided by the internet providers to the FCC, HUB66 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 Sullivan County
| ISP / Tech Type | Max Advertised Speed | ||
|---|---|---|---|
| HUB66 | 8,000 Mbps | ||
| New Hampshire Electric Co-op | 2,000 Mbps | ||
| XFINITY from Comcast | 2,000 Mbps | ||
| Fidium Fiber | 2,000 Mbps | ||
| Granite State Communications | 1,000 Mbps | ||
| TDS | 1,000 Mbps | ||
| Verizon | 300 Mbps | ||
| AT&T | 100 Mbps | ||
| EarthLink | 100 Mbps | ||
| US Cellular | 100 Mbps | ||
| T-Mobile Home Internet | 100 Mbps | ||
| Viasat | 100 Mbps | ||
| VTel Wireless | 25 Mbps | ||
| HughesNet | 25 Mbps |
Customer Ratings for Internet Provider Speeds in Sullivan County
| ISP / Tech Type | Sullivan County Speed | New Hampshire Speed | National Speed | For Service | ||
|---|---|---|---|---|---|---|
| XFINITY | (1) | (32) | (2164) | View Plans | ||
| TDS | (1) | (1) | (28) | View Plans | ||
| New Hampshire Electric Co-op | (0) | (1) | (1) | View Plans | ||
| Granite State Communications | (0) | (2) | (2) | View Plans | ||
| T-Mobile Home Internet | (0) | (1) | (284) | View Plans | ||
| Fidium | (0) | (8) | (70) | View Plans | ||
| Verizon | (0) | (3) | (723) | View Plans | ||
| HughesNet | (0) | (1) | (18) | View Plans | ||
| AT&T | (0) | (0) | (924) | View Plans | ||
| US Cellular | (0) | (0) | (15) | View Plans | ||
| EarthLink | (0) | (0) | (12) | View Plans | ||
| Viasat | (0) | (0) | (11) | View Plans | ||
| VTel Wireless | (0) | (0) | (0) | View Plans | ||
| HUB66 | (0) | (0) | (0) | View Plans |
Based on data reported by Sullivan County ISPs to the FCC, the fastest speeds in the county are available through HUB66. The company offers speeds up to 8,000 Mbps in Sullivan County. Therefore, the average customer can get up to 8,000 Mbps if they're willing to purchase the fastest subscription tier available at their homes.
Additionally, actual customers in the county rated their satisfaction with internet speed highest with XFINITY from Comcast. This indicates XFINITY reliably delivers speeds expected by the customer based on the plan they are paying for.
Who is the Cheapest Internet Provider in Sullivan County?
New Hampshire customers rate TDS as the cheapest internet service provider in state. Data comes from customers in the state rating their satisfaction with pricing. This feedback is valuable because it considers price changes and whether the speeds paid for are worth it.
TDS received a local rating of 4.00 out of 5, which is lower than the average across all internet providers in the country. XFINITY from Comcast is rated in second place for affordability by the company’s Sullivan County customers with an average price rating of 1.00 out of 5.
The chart and graph below show how customers in Sullivan County, New Hampshire, and the United States rated the affordability of their internet service.
Rated Affordability in Sullivan County
| ISP / Tech Type | Sullivan County Affordability | New Hampshire Affordability | National Affordability | For Service | ||
|---|---|---|---|---|---|---|
| TDS | (1) | (1) | (28) | View Plans | ||
| XFINITY | (1) | (32) | (2164) | View Plans | ||
| New Hampshire Electric Co-op | (0) | (1) | (1) | View Plans | ||
| T-Mobile Home Internet | (0) | (1) | (284) | View Plans | ||
| Granite State Communications | (0) | (2) | (2) | View Plans | ||
| Fidium | (0) | (8) | (70) | View Plans | ||
| Verizon | (0) | (3) | (723) | View Plans | ||
| HughesNet | (0) | (1) | (18) | View Plans | ||
| US Cellular | (0) | (0) | (15) | View Plans | ||
| AT&T | (0) | (0) | (924) | View Plans | ||
| EarthLink | (0) | (0) | (12) | View Plans | ||
| Viasat | (0) | (0) | (11) | View Plans | ||
| VTel Wireless | (0) | (0) | (0) | View Plans | ||
| HUB66 | (0) | (0) | (0) | View Plans |
Sullivan County Internet Health Assessment
ISP Reports evaluates the technological infrastructure across the United States. This includes assessing a grade for ISP providers and infrastructure in the county and setting an index number for the digital connectivity of its residents. You can view the ISP Report Card and the Digital Connectivity Index for Sullivan County below, including the metrics used and how Sullivan County compares to the rest of New Hampshire and nation.
| Metric
(hover for details)
|
Sullivan County | New Hampshire | USA | ||
|---|---|---|---|---|---|
| Fiber Availability Percent The percentage of households in Sullivan County that have a Fiber internet connection available to their home. | 58.39% | 83.21% | 67.25% | ||
| Average Download SpeedThe maximum download speed most households can get on average. This is measured by availability in a block group and weighted by the population in that area. | 1,987 Mbps | 1,970 Mbps | 3,293 Mbps | ||
| Provider CountThe number of providers available for most people. This is a weighted average by block rather than a total for Sullivan County. | 6.0 | 5.8 | 6.8 |
| Average Household SizeA larger household size in a county indicates that there will be a greater need for bandwidth due to simultaneous usage, multiple devices, and network congestion. | 2.7 | 2.5 | 2.7 | ||
| Work From Home PercentA higher percent of the population working from home indicates bandwidth requirements being more widely needed rather than consolidated to commercial portions of the city. | 11% | 15% | 14% | ||
| Households with DevicesA higher percentage of households with computing devices in the home indicates a higher level of infrastructure needed to support those households. | 93% | 96% | 95% | ||
| Households with InternetA higher percentage of households with internet indicates a higher need for usage and connectivity in people’s daily lives. | 88% | 92% | 90% | ||
| Households with BroadbandA higher percentage of households with a broadband connection (defined as speeds above 25 Mbps) indicates heavier usage needs within these households. | 72% | 83% | 75% | ||
| Broadband Usage vs. AvailabilityThis measures what percentage of households who have a broadband connection to their home actually have an active subscription to that service. | 73% | 84% | 76% |
Our demographic data is sourced from the latest 5-year release of the American Community Survey by the US Census Bureau.
Sullivan County ISP Report Card & Digital Connectivity Index
The ISP Report Card in Sullivan County is B-, which is better than other counties. The local demand for broadband internet connectivity in Sullivan County is high with a score of 62 / 100 in our Digital Connectivity Index. This means that internet service providers operating in Sullivan County have done a good job meeting the needs of its residents.
The Sullivan County ISP Report Card evaluates the county on availability and speed metrics compared to other counties in the United States. ISP Infrastructure can vary greatly and on its own isn’t a perfect measure of what a county needs. Please see our ISP Report Card along with the Digital Connectivity Index above to evaluate how well the connectivity demand is met by the existing infrastructure.
88% of Sullivan County households have an internet connection despite having 99.39% availability. 72% of households have fiber, cable, or DSL, 5% have satellite, 1% are still on dial-up, and 4% of households have internet but don’t pay for a subscription because it’s subsidized by the Affordable Connectivity Program.
As you can see in the table above, while 72% of households have a broadband connection such as fiber, cable or DSL available to their home, 73% subscribe to it. A large amount of Sullivan County residents are taking advantage of the available internet infrastructure.
For more details, please visit our ISP Report Card and Digital Connectivity Index pages.
How do Neighboring Counties Compare to Sullivan County?
- ISP Report Card: B
- Digital Connectivity Index: 72 / 100
- ISP Report Card: C-
- Digital Connectivity Index: 47 / 100
- ISP Report Card: B-
- Digital Connectivity Index: 73 / 100
- ISP Report Card: C-
- Digital Connectivity Index: 55 / 100
- ISP Report Card: B-
- Digital Connectivity Index: 70 / 100
- ISP Report Card: C-
- Digital Connectivity Index: 60 / 100
- ISP Report Card: D
- Digital Connectivity Index: 52 / 100
- ISP Report Card: B-
- Digital Connectivity Index: 29 / 100
- ISP Report Card: C+
- Digital Connectivity Index: 33 / 100
How Much Speed does a Sullivan County Household Need?
Higher speed is typically preferred, but that comes at a higher price. The average size of a household in Sullivan County is 2.7, which is larger than the New Hampshire average of 2.5 and larger than the national average of 2.7. Sullivan County's average household income is $82,994 which is about average for the New Hampshire average of $104,600 and higher than the national average of $90,606. Homes with more people living in them and with higher incomes tend to indicate more devices being used more often.
Sullivan County also has 11% of its population enrolled in school between the 6th grade and college level, this is lower than the New Hampshire average of 14%. Additionally, 11% of residents work from home, which is lower than the 15% of residents in New Hampshire who work from home. This and other factors you can see above show us that the community of Sullivan County has a high need for internet connectivity and speeds.
Compared to the rest of the country, Sullivan County households are about average when it comes to technological engagement. 93% of households have some sort of computing device, 83% have desktops or laptops in the home, and 89% have smartphones. To see what speeds you are currently getting, please visit our internet speed test tool.
Which Fiber Internet Providers are Available in Sullivan County?
Fidium Fiber in Sullivan County, NH
Fidium Fiber offers Fiber service to 52.7% of Sullivan County homes. Across the county, Fidium Fiber has speeds up to 1,978 Mbps, with speeds from 1,000 Mpbs up to 2,000 Mbps depending on the address. Upload speeds are symmetrical, meaning they are exactly the same as download speeds for Fidium Fiber. Fidium Fiber is rated about the same as other types of internet service available in Sullivan County from Fidium in terms of customer satisfaction.
New Hampshire Electric Co-op Fiber in Sullivan County, NH
New Hampshire Electric Co-op offers Fiber service to 5.9% of Sullivan County homes. Across the county, New Hampshire Electric Co-op Fiber is the only type of service available from the company, with speeds up to 2,000 Mbps
HUB66 Fiber in Sullivan County, NH
HUB66 offers Fiber service to 3.5% of Sullivan County homes. Across the county, HUB66 Fiber is the only type of service available from the company, with speeds up to 8,000 Mbps
Granite State Communications Fiber in Sullivan County, NH
Granite State Communications offers Fiber service to 2.7% of Sullivan County homes. Across the county, Granite State Communications Fiber is the only type of service available from the company, with speeds up to 1,000 Mbps
Which Cable Internet Providers are Available in Sullivan County?
XFINITY Cable in Sullivan County, NH
XFINITY from Comcast offers Cable service to 85.5% of Sullivan County homes. Across the county, XFINITY Cable is the only type of service available from the company, with speeds up to 1,461 Mbps, with speeds from 1,200 Mpbs up to 2,000 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 35 and as high as 250, with an average of 105 Mbps throughout the county.
Which DSL Internet Providers are Available in Sullivan County?
Fidium DSL in Sullivan County, NH
Fidium Fiber offers DSL service to 71.1% of Sullivan County homes. Across the county, Fidium DSL has speeds up to 24 Mbps, with speeds from 10 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 1.0 and as high as 40, with an average of 6.0 Mbps throughout the county. Fidium DSL is rated lower than other types of internet service available in Sullivan County from Fidium in terms of customer satisfaction.
TDS DSL in Sullivan County, NH
TDS offers DSL service to 3.1% of Sullivan County homes. Across the county, TDS DSL is the only type of service available from the company, with speeds up to 67 Mbps, with speeds from 10 Mpbs up to 100 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 12 Mbps throughout the county.
Which Fixed Wireless and LTE Internet Providers are Available in Sullivan County?
T-Mobile Home Internet Fixed Wireless in Sullivan County, NH
T-Mobile Home Internet offers Fixed Wireless service to 93.2% of Sullivan County homes. Across the county, 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 county.
US Cellular Fixed Wireless in Sullivan County, NH
US Cellular offers Fixed Wireless service to 85.5% of Sullivan County homes. Across the county, US Cellular Fixed Wireless is the only type of service available from the company, with speeds up to 18 Mbps, with speeds from 10 Mpbs up to 100 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 2.1 Mbps throughout the county.
VTel Wireless Fixed Wireless in Sullivan County, NH
VTel Wireless offers Fixed Wireless service to 81.3% of Sullivan County homes. Across the county, VTel Wireless Fixed Wireless is the only type of service available from the company, with speeds up to 17 Mbps, with speeds from 10 Mpbs up to 25 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 1.0 and as high as 3.0, with an average of 1.9 Mbps throughout the county.
EarthLink Fixed Wireless in Sullivan County, NH
EarthLink offers Fixed Wireless service to 46.1% of Sullivan County homes. Across the county, EarthLink Fixed Wireless is the only type of service available from the company, with speeds up to 26 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 3.2 Mbps throughout the county.
AT&T Fixed Wireless in Sullivan County, NH
AT&T offers Fixed Wireless service to 46.1% of Sullivan County homes. Across the county, AT&T Fixed Wireless is the only type of service available from the company, with speeds up to 26 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 3.2 Mbps throughout the county.
Verizon Fixed Wireless in Sullivan County, NH
Verizon offers Fixed Wireless service to 22.3% of Sullivan County homes. Across the county, Verizon Fixed Wireless is the only type of service available from the company, with speeds up to 300 Mbps
Which ISP Should You Choose in Sullivan County?
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 Sullivan County is TDS.
- The fastest internet provider should be HUB66. Considering speed for the money and reliability in speeds, XFINITY from Comcast may be a better choice based on real-world local customer feedback.
- The most affordable internet provider in Sullivan County is TDS.
- Viasat, T-Mobile Home Internet, and HughesNet has the broadest coverage in Sullivan County, and is most likely to cover your home. To find out exactly what's available at your home, please use our address search tool.
How does Sullivan County compare to other cities with a similar population?
To see how Sullivan County stacks up on the national level, it's useful to look at some other cities with similarly sized populations. Below you can see a list of these cities and how they compare to Sullivan County's B- ISP Report Card and 62 / 100 Digital Connectivity Index.
- ISP Report Card: B
- Digital Connectivity Index: 60 / 100
- ISP Report Card: B-
- Digital Connectivity Index: 46 / 100
- ISP Report Card: B+
- Digital Connectivity Index: 69 / 100
- ISP Report Card: B-
- Digital Connectivity Index: 23 / 100
- ISP Report Card: B-
- Digital Connectivity Index: 49 / 100
- ISP Report Card: B
- Digital Connectivity Index: 38 / 100
- ISP Report Card: B
- Digital Connectivity Index: 39 / 100
- ISP Report Card: B-
- Digital Connectivity Index: 71 / 100
- ISP Report Card: C+
- Digital Connectivity Index: 43 / 100
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