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Best Internet Providers in Jefferson County, NY

All 9 providers, ranked by coverage, speed and customer ratings

Jefferson County has 9 internet service providers, they are sorted by coverage, available speed, and customer rating from our unbiased internet provider report. Cable, Fiber, 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 Jefferson County.

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 fiber33.8%New York 86.4%59th of 62
Average top speed994 MbpsNew York 4,235 Mbps55th of 62
Providers93.4 at a typical addressTied 45th of 62
Homes with internet92%New York 91%Tied 9th of 62
ISP Report CardD+score 26 of 100Tied 60th of 62
Connectivity index63/100New York 69/100Tied 18th of 62

Ranks compare Jefferson County with the 62 New York counties.

The Best Internet in Jefferson County, NY at a Glance

Top rankedSee the full rankingFirst in our Jefferson County ranking by coverage, speed and customer ratings.See plans
FastestSpectrumUp to 1,000 Mbps advertised to the FCCCompare speeds
Best ratedT-Mobile Home InternetRated 4.22 out of 5 by its customers, available to 70.34% of homesSee plans
Lowest priceSee prices by providerListed prices appear on each provider below.See plans

Jefferson County Internet Providers, Ranked by Coverage, Speed and Customer Ratings

Spectrum

Spectrum logo

Availability:

81.4%

Customer Rating:

3.3 of 5 stars

(1949)

View Plans

1-877-411-1381 Price: $30.00 - $105.00 / mo.

Connection

Availability

Avg. Download Speed InfoThe highest download speed available in Jefferson County.

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

Customer Rating

Fiber

7.3%

1,000 Mbps

1,000 Mbps

Fiber: 3.5 of 5 stars

(207)

Cable

81.3%

1,000 Mbps

1,000 Mbps

Cable: 3.3 of 5 stars

(1739)

Verizon

Verizon logo

Availability:

75.7%

Customer Rating:

3.8 of 5 stars

(816)

View Plans

1-833-213-7018 Price: $50.00 - $60.00 / mo.

Connection

Availability

Avg. Download Speed InfoThe highest download speed available in Jefferson County.

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

Customer Rating

Fiber

9.5%

980 Mbps

980 Mbps

Fiber: 3.9 of 5 stars

(453)

Fixed Wireless

71.9%

257 Mbps

300 Mbps

Wireless: 3.6 of 5 stars

(362)

T-Mobile Home Internet

T-Mobile Home Internet logo

Availability:

70.3%

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 Jefferson County.

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

Customer Rating

Fixed Wireless

70.3%

64 Mbps

100 Mbps

Wireless: 4.0 of 5 stars

(342)

Westelcom

Westelcom logo

Availability:

16.8%

Customer Rating:

0.0 of 5 stars

(0)

View Plans

Price:

Connection

Availability

Avg. Download Speed InfoThe highest download speed available in Jefferson County.

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

Customer Rating

Fiber

16.8%

1,000 Mbps

1,000 Mbps

Fiber: 0.0 of 5 stars

(0)

Frontier

Frontier logo

Availability:

10.0%

Customer Rating:

3.3 of 5 stars

(177)

View Plans

1-866-557-9907 Price: Starting at $44.99 / mo.

Connection

Availability

Avg. Download Speed InfoThe highest download speed available in Jefferson County.

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

Customer Rating

DSL

10.0%

48 Mbps

115 Mbps

DSL: 2.7 of 5 stars

(58)

EarthLink

EarthLink logo

Availability:

9.5%

Customer Rating:

3.4 of 5 stars

(15)

View Plans

1-877-418-2092 Price: $39.95 - $69.95 / mo.

Connection

Availability

Avg. Download Speed InfoThe highest download speed available in Jefferson County.

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

Customer Rating

Fiber

9.5%

980 Mbps

980 Mbps

Fiber: 3.7 of 5 stars

(6)

TDS

TDS logo

Availability:

6.5%

Customer Rating:

3.1 of 5 stars

(39)

Connection

Availability

Avg. Download Speed InfoThe highest download speed available in Jefferson County.

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

Customer Rating

Fiber

3.4%

1,000 Mbps

1,000 Mbps

Fiber: 3.6 of 5 stars

(16)

DSL

5.7%

35 Mbps

50 Mbps

DSL: 3.0 of 5 stars

(7)

Castle Cable TV

Castle Cable TV logo

Availability:

3.0%

Customer Rating:

0.0 of 5 stars

(0)

View Plans

Price:

Connection

Availability

Avg. Download Speed InfoThe highest download speed available in Jefferson County.

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

Customer Rating

Fiber

3.0%

1,000 Mbps

1,000 Mbps

Fiber: 0.0 of 5 stars

(0)

Hudson Valley Wireless

Hudson Valley Wireless logo

Availability:

1.7%

Customer Rating:

0.0 of 5 stars

(0)

View Plans

Price: $34.90 - $99.90 / mo.

Connection

Availability

Avg. Download Speed InfoThe highest download speed available in Jefferson County.

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

Customer Rating

Fixed Wireless

1.7%

113 Mbps

200 Mbps

Wireless: 0.0 of 5 stars

(0)

Satellite providers, which generally offer 100% coverage across the United States, are available for Jefferson County 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 county 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 Jefferson County ratings may vary and are shown below.

Who is the Best Internet Provider in Jefferson County, NY?

T-Mobile Home Internet is the best internet provider in Jefferson County based on New York customer satisfaction ratings and reviews. Based on our extensive and unbiased survey, T-Mobile Home Internet had the best reviews at the local, state, and national levels versus all available providers in Jefferson County, making it a solid recommendation among providers with reviews. T-Mobile Home Internet is an option for 70.34% of the county.

Which Providers are Available at my Home in Jefferson County?

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.

Jefferson County, NY map of internet availability

How Jefferson County Compares to the Rest of New York

Jefferson County's report card score is tied 60th of 62 and its connectivity index is tied 18th of 62.

D+score 26 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.Tied 60th of 62
63/100New York 69/100, US 69/100Digital Connectivity IndexMeasures how much households need and use the internet: household size, working from home, devices and subscriptions.Tied 18th of 62
Measure Jefferson County Rank among New York counties New York US Leader
ISP Report Card inputs: what providers offer here
Fiber availability 33.8% 59th of 62 86.4% 71.5% Richmond County (99.5%)
Average top speed 994 Mbps 55th of 62 4,235 Mbps 3,486 Mbps Nassau County (7,817 Mbps)
Providers at a typical address 3.4 Tied 45th of 62 5.2 7.1 New York County (7)
Connectivity index inputs: how much households need and use the internet
People per household 2.4 Tied 15th of 62 2.6 2.7 Rockland County (3.5)
Workers who work from home 8% Tied 53rd of 62 15% 15% New York County (25%)
Homes with a computer, tablet or phone 95% Tied 14th of 62 95% 96% Dutchess County and Nassau County and 4 more (97%)
Homes with internet 92% Tied 9th of 62 91% 91% Nassau County and Putnam County (95%)
Homes on fiber, cable or DSL 77% Tied 23rd of 62 77% 76% Nassau County and Saratoga County (84%)
More about the households here
Homes with a desktop or laptop 80% Tied 18th of 62 80% 81% Tompkins County (89%)
Median household income $70,553 46th of 62 $100,975 $93,246 Nassau County ($156,303)
Residents in school (6th grade to college) 14% Tied 30th of 62 16% 16% Tompkins County (33%)

Fiber reaches 33.8% of homes in Jefferson County, against 86.4% across New York. Households in Jefferson County are smaller than the US average (2.4 people against 2.7); 8% of workers work from home (US 15%); and the median household income is $70,553 (US $93,246).

Our demographic data is sourced from the latest 5-year release of the American Community Survey by the US Census Bureau.

How Jefferson County Compares to Its Neighbors

Jefferson County has 4 neighbors. Among them, Cayuga County has the most homes with fiber (81.2%) and Oswego County the fewest (36.9%); Jefferson County has 33.8%.

Map of Jefferson County and its neighbors by ISP Report Card grade

ISP Report CardABCDFThis page

Hover over or tap a county for its numbers, and click through to its page.

Jefferson County and its neighbors

County People Homes with fiber Average top speed Providers at a typical address Report card Connectivity
Jefferson County (this page)116,721 33.8%994 Mbps3.4D+63/100
Oswego County117,525 36.9%1,311 Mbps3.4C-60/100
St. Lawrence County108,505 74.9%997 Mbps3.3C-48/100
Cayuga County76,248 81.2%969 Mbps4.8C49/100
Lewis County26,582 53.6%974 Mbps3.6D+44/100

Internet in Jefferson County by City and ZIP Code

Fiber reaches from 0.0% of homes in Mannsville to 93.9% in Redwood; by ZIP code, from 0.0% in 13602 (Carthage) to 99.5% in 13615 (Brownville). Each row links to that place’s page.

Cities and towns in Jefferson County

City or town People Homes with fiber Average top speed Providers at a typical address Report card Connectivity
Watertown32,898 53.3%1,000 Mbps3.6D+45/100
Fort Drum15,522 1.0%1,000 Mbps3.9D82/100
Carthage6,261 16.3%998 Mbps2.9D66/100
Evans Mills3,876 8.7%994 Mbps3D64/100
Calcium3,736 1.1%1,000 Mbps3D48/100
Clayton3,152 79.3%979 Mbps4.2C-53/100
Adams3,112 9.2%981 Mbps3.4D70/100
Theresa2,676 39.6%998 Mbps2.5D+63/100
Dexter2,652 40.2%1,000 Mbps4.2C-60/100
Adams Center2,601 3.8%997 Mbps3.9D71/100
West Carthage2,370 30.6%1,000 Mbps3.5D+42/100
Black River2,111 14.0%985 Mbps3D62/100
Sackets Harbor2,067 5.1%1,000 Mbps3.1D53/100
Philadelphia1,918 9.7%971 Mbps2.9D58/100
Alexandria Bay1,627 93.6%986 Mbps3.9C30/100
La Fargeville1,589 84.0%1,000 Mbps4.2C48/100
Cape Vincent1,526 52.8%1,000 Mbps3.2D+64/100
Chaumont1,490 47.0%1,000 Mbps3D+60/100
East Hounsfield1,439 42.1%1,000 Mbps3.5D+39/100
Redwood1,350 93.9%981 Mbps3.7C38/100
Great Bend1,173 11.1%1,000 Mbps3.5D76/100
Natural Bridge1,149 16.4%1,000 Mbps2.5D64/100
Antwerp1,135 32.4%967 Mbps3.3D+40/100
Mannsville1,090 0.0%956 Mbps3.2D-56/100
Brownville1,010 93.1%1,000 Mbps4.3C83/100
Millen Bay877 4.6%996 Mbps3D45/100
Paddy Hill857 76.3%1,000 Mbps4.6C72/100
Plessis841 96.1%1,000 Mbps4.2C+34/100
Herrings821 19.1%1,000 Mbps2.8D65/100
Three Mile Bay800 23.5%996 Mbps2.7D62/100
Felts Mills753 0.0%1,000 Mbps2.9D-66/100
Henderson736 23.1%1,000 Mbps3.2D+57/100
Stone Mills687 85.9%1,000 Mbps4.1C46/100
Rodman668 0.1%959 Mbps2.7D69/100
Frontenac667 89.4%1,000 Mbps4.4C55/100
Glen Park623 43.5%1,000 Mbps3.7D+73/100
Depauville608 100.0%1,000 Mbps3.8C+58/100
Limerick530 51.9%1,000 Mbps4.3C-54/100
Lorraine519 9.1%948 Mbps2.4D78/100
Fishers Landing473 83.5%1,000 Mbps4.7C60/100
Pierrepont Manor444 0.0%989 Mbps3.7D63/100
Champion419 69.7%953 Mbps4C-58/100
Orleans Four Corners383 57.4%1,000 Mbps3.6C-36/100
Thomas Settlement383 0.0%1,000 Mbps3.1D-72/100
Wellesley Island362 5.5%977 Mbps2.5D67/100
Belleville341 18.2%1,000 Mbps3.2D63/100
Smithville325 0.0%1,000 Mbps3.2D-66/100
Zoar315 0.0%1,000 Mbps3.1D-64/100
Oxbow310 97.1%996 Mbps3.1C32/100
Deferiet307 0.0%1,000 Mbps2.4D-74/100
Ellisburg300 0.0%983 Mbps2.4D-65/100
South Rutland293 47.1%1,000 Mbps4C-59/100
Burrs Mills268 35.8%1,000 Mbps3.3D+60/100
East Rodman264 0.0%924 Mbps2.4D-61/100
Rutland Center256 31.2%1,000 Mbps4.2D+58/100
Rosiere255 96.9%1,000 Mbps3.2C65/100
Roberts Corner252 0.0%1,000 Mbps3.3D-53/100
Woodville235 0.0%967 Mbps3D-74/100
Henderson Harbor226 0.0%982 Mbps3.5D-59/100
Omar226 100.0%1,000 Mbps4.7B-39/100
Rural Hill201 0.0%1,000 Mbps3.4D-57/100
Allendale173 0.0%1,000 Mbps3.1D-73/100
Taylor Settlement171 0.0%1,000 Mbps4D54/100
Worth169 9.5%823 Mbps2.9D76/100
Jewettville140 52.1%1,000 Mbps4.5C-48/100
Montario Point132 0.0%1,000 Mbps2.9D-68/100
Herrick Grove117 92.3%1,000 Mbps4.4C56/100
Westminster Park102 100.0%1,000 Mbps4.3B-42/100
Pillar Point95 100.0%1,000 Mbps5B-56/100
Camps Mills93 0.0%1,000 Mbps3D-40/100
Thousand Island Park90 0.0%1,000 Mbps2.5D-64/100

ZIP codes in Jefferson County

ZIP code People Homes with fiber Average top speed Providers at a typical address Report card Connectivity
13601 (Watertown)37,139 51.3%999 Mbps3.6D+45/100
13603 (Fort Drum)10,843 0.0%25 Mbps0F58/100
13619 (Carthage)10,669 26.0%997 Mbps3.2D+58/100
13602 (Carthage)5,438 0.0%1,000 Mbps1F91/100
13637 (Evans Mills)5,253 5.3%996 Mbps3D58/100
13624 (Clayton)4,316 81.9%985 Mbps4.2C53/100
13605 (Adams)4,283 8.2%985 Mbps3.3D68/100
13634 (Dexter)3,951 40.8%1,000 Mbps4.2C-58/100
13612 (Black River)3,136 16.9%990 Mbps3.1D71/100
13691 (Theresa)2,965 47.5%997 Mbps2.7D+57/100
13656 (La Fargeville)2,816 91.0%1,000 Mbps4.2C43/100
13606 (Adams Center)2,814 3.5%997 Mbps3.8D73/100
13618 (Cape Vincent)2,460 41.5%998 Mbps3.2D+61/100
13622 (Chaumont)2,383 59.0%1,000 Mbps3.3D+61/100
13673 (Philadelphia)2,306 9.8%976 Mbps2.8D57/100
13685 (Sackets Harbor)2,235 4.7%1,000 Mbps3D53/100
13679 (Redwood)1,836 93.4%986 Mbps3.8C38/100
13616 (Calcium)1,674 2.5%1,000 Mbps2.9D50/100
13607 (Alexandria Bay)1,609 94.3%990 Mbps4C30/100
13661 (Mannsville)1,591 0.0%969 Mbps3.3D-59/100
13608 (Antwerp)1,470 46.0%969 Mbps3.2D+37/100
13650 (Henderson)1,452 11.7%997 Mbps3.2D58/100
13615 (Brownville)1,046 99.5%1,000 Mbps4.4C+84/100
13682 (Rodman)1,010 0.1%961 Mbps2.9D69/100
13659 (Lorraine)584 9.8%914 Mbps2.3D79/100
13693 (Three Mile Bay)490 45.5%1,000 Mbps2.9D+64/100
13638 (Felts Mills)414 0.0%1,000 Mbps2.9D-66/100
13640 (Wellesley Island)390 6.9%961 Mbps2.6D66/100
13636 (Ellisburg)249 0.0%980 Mbps2.4D-68/100
13628 (Deferiet)200 0.0%1,000 Mbps2.3D-68/100
13611 (Belleville)107 0.0%1,000 Mbps3D-64/100
13641 (Fishers Landing)91 38.5%1,000 Mbps3.7D+70/100
13692 (Thousand Island Park)81 0.0%1,000 Mbps2.2D-64/100
13632 (Depauville)74 100.0%1,000 Mbps3.5C+66/100
13675 (Plessis)67 100.0%1,000 Mbps2.6C+45/100
13651 (Henderson)33 0.0%1,000 Mbps4D60/100
13643 (Carthage)16 100.0%1,000 Mbps4C+61/100
13674 (Adams)4 0.0%1,000 Mbps2D-62/100
13653 (Herrings)3 0.0%1,000 Mbps1F61/100

Who is the Fastest Internet Provider in Jefferson County?

According to unbiased feedback from real internet customers, they reported being happiest with speeds provided by Verizon. On the other hand, based on data provided by the internet providers to the FCC, Spectrum 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 Jefferson County

Max Advertised Speed in Jefferson County, NY
Spectrum1,000
Westelcom Company1,000
Frontier Communications1,000
TDS1,000
Castle Cable TV1,000
Verizon980
EarthLink980
Hudson Valley Wireless200
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 Jefferson County. It takes about 20 seconds and, on a fast line, can move a few hundred MB of data.

Customer Ratings for Jefferson County Internet Providers

Based on 350 reviews from New York internet customers, T-Mobile Home Internet is the best internet service provider for Jefferson County residents. T-Mobile Home Internet was rated at an average of 4.22 out of 5 in our report for overall customer satisfaction. Verizon wins for second-place in New York, with 3.74 out of 5 stars and 75.7% coverage in Jefferson County.

At a national level, based on 3338 national reviews for any of the providers listed above, T-Mobile Home Internet is rated higher than any other provider, with a rating of 4.02 out of 5.

Local, State, and National Ratings for all Jefferson County Internet Providers

The table below shows average customer ratings from customers in Jefferson County, New York, and customers throughout the country.

ISP / Tech TypeJefferson County OverallNew York OverallNational OverallFor Service
T-Mobile Home InternetNo rating yet (0)4 of 5 stars (18)4 of 5 stars (342)View Plans
VerizonNo rating yet (0)3.5 of 5 stars (140)4 of 5 stars (816)View Plans
FrontierNo rating yet (0)4 of 5 stars (2)3.5 of 5 stars (177)View Plans
EarthLinkNo rating yet (0)3 of 5 stars (1)3.5 of 5 stars (15)View Plans
Spectrum3 of 5 stars (5)3 of 5 stars (189)3.5 of 5 stars (1949)View Plans
HughesNetNo rating yet (0)No rating yet (0)2.5 of 5 stars (25)View Plans
TDSNo rating yet (0)No rating yet (0)3 of 5 stars (39)View Plans
ViasatNo rating yet (0)No rating yet (0)1.5 of 5 stars (12)View Plans
Hudson Valley WirelessNo rating yet (0)No rating yet (0)No rating yet (0)View Plans
Castle Cable TVNo rating yet (0)No rating yet (0)No rating yet (0)View Plans
WestelcomNo rating yet (0)No rating yet (0)No rating yet (0)View Plans

Customer Ratings for Internet Provider Speeds in Jefferson County

Based on data reported by Jefferson County ISPs to the FCC, the fastest speeds in the county are available through Spectrum. The company offers speeds up to 1,000 Mbps in Jefferson County. 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 Verizon. This indicates Verizon reliably delivers speeds expected by the customer based on the plan they are paying for.

ISP / Tech TypeJefferson County SpeedNew York SpeedNational SpeedFor Service
VerizonNo rating yet (0)4 of 5 stars (140)4 of 5 stars (816)View Plans
T-Mobile Home InternetNo rating yet (0)4 of 5 stars (18)4 of 5 stars (342)View Plans
FrontierNo rating yet (0)4 of 5 stars (2)3.5 of 5 stars (177)View Plans
EarthLinkNo rating yet (0)3 of 5 stars (1)3 of 5 stars (15)View Plans
Spectrum3 of 5 stars (5)3.5 of 5 stars (189)3.5 of 5 stars (1949)View Plans
HughesNetNo rating yet (0)No rating yet (0)2.5 of 5 stars (25)View Plans
TDSNo rating yet (0)No rating yet (0)3 of 5 stars (39)View Plans
ViasatNo rating yet (0)No rating yet (0)1.5 of 5 stars (12)View Plans
Hudson Valley WirelessNo rating yet (0)No rating yet (0)No rating yet (0)View Plans
Castle Cable TVNo rating yet (0)No rating yet (0)No rating yet (0)View Plans
WestelcomNo rating yet (0)No rating yet (0)No rating yet (0)View Plans

Who is the Cheapest Internet Provider in Jefferson County?

Of the providers in Jefferson County, customers rate T-Mobile Home Internet the best for price. Data comes from customers rating their satisfaction with pricing: in Jefferson County where enough of them have reviewed a provider, otherwise across New York 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 4.11 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 3.31 out of 5.

The table below shows how customers in Jefferson County, New York, and the United States rated the affordability of their internet service.

Rated Affordability in Jefferson County

ISP / Tech TypeJefferson County AffordabilityNew York AffordabilityNational AffordabilityFor Service
T-Mobile Home InternetNo rating yet (0)4 of 5 stars (18)4 of 5 stars (342)View Plans
FrontierNo rating yet (0)3.5 of 5 stars (2)3.5 of 5 stars (177)View Plans
EarthLinkNo rating yet (0)2 of 5 stars (1)3 of 5 stars (15)View Plans
VerizonNo rating yet (0)3.5 of 5 stars (140)3.5 of 5 stars (816)View Plans
Spectrum2 of 5 stars (5)2.5 of 5 stars (189)3 of 5 stars (1949)View Plans
HughesNetNo rating yet (0)No rating yet (0)2.5 of 5 stars (25)View Plans
TDSNo rating yet (0)No rating yet (0)3 of 5 stars (39)View Plans
ViasatNo rating yet (0)No rating yet (0)1.5 of 5 stars (12)View Plans
Hudson Valley WirelessNo rating yet (0)No rating yet (0)No rating yet (0)View Plans
Castle Cable TVNo rating yet (0)No rating yet (0)No rating yet (0)View Plans
WestelcomNo rating yet (0)No rating yet (0)No rating yet (0)View Plans

Fiber, 5G, Cable and DSL Internet in Jefferson County

Which Fiber Internet Providers are Available in Jefferson County?

Westelcom Fiber in Jefferson County, NY

Westelcom logo

Availability:

16.8%

Customer Rating:

 of 5 stars

(0)

Avg. Download Speed

1,000 Mbps

Westelcom Company offers Fiber service to 16.8% of Jefferson County homes. Across the county, Westelcom Fiber is the only type of service available from the company, with speeds up to 1,000 Mbps, with speeds from 1,000 Mpbs up to 1,000 Mbps depending on the address. Upload speeds are symmetrical, meaning they are exactly the same as download speeds for Westelcom Fiber. Westelcom Fiber is rated other types of internet service available in Jefferson County from Westelcom in terms of customer satisfaction.

EarthLink Fiber in Jefferson County, NY

EarthLink logo

Availability:

9.5%

Customer Rating:

3.7 of 5 stars

(6)

Avg. Download Speed

980 Mbps

EarthLink offers Fiber service to 9.5% of Jefferson County homes. Across the county, EarthLink Fiber is the only type of service available from the company, with speeds up to 980 Mbps, with speeds from 980 Mpbs up to 980 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 880 and as high as 880, with an average of 880 Mbps throughout the county. EarthLink Fiber is rated about the same as other types of internet service available in Jefferson County from EarthLink in terms of customer satisfaction.

Verizon Fiber in Jefferson County, NY

Verizon logo

Availability:

9.5%

Customer Rating:

3.9 of 5 stars

(453)

Avg. Download Speed

980 Mbps

Verizon offers Fiber service to 9.5% of Jefferson County homes. Across the county, Verizon Fiber has speeds up to 980 Mbps, with speeds from 980 Mpbs up to 980 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 880 and as high as 880, with an average of 880 Mbps throughout the county. Verizon Fiber is rated about the same as other types of internet service available in Jefferson County from Verizon in terms of customer satisfaction.

Spectrum Fiber in Jefferson County, NY

Spectrum logo

Availability:

7.3%

Customer Rating:

3.5 of 5 stars

(207)

Avg. Download Speed

1,000 Mbps

Spectrum offers Fiber service to 7.3% of Jefferson County homes. Across the county, Spectrum Fiber has speeds up to 1,000 Mbps, with speeds from 1,000 Mpbs up to 1,000 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 500 and as high as 1,000, with an average of 504 Mbps throughout the county. Spectrum Fiber is rated about the same as other types of internet service available in Jefferson County from Spectrum in terms of customer satisfaction.

TDS Fiber in Jefferson County, NY

TDS logo

Availability:

3.4%

Customer Rating:

3.6 of 5 stars

(16)

Avg. Download Speed

1,000 Mbps

TDS offers Fiber service to 3.4% of Jefferson County homes. Across the county, TDS Fiber has speeds up to 1,000 Mbps, with speeds from 1,000 Mpbs up to 1,000 Mbps depending on the address. Upload speeds are symmetrical, meaning they are exactly the same as download speeds for TDS Fiber. TDS Fiber is rated lower than other types of internet service available in Jefferson County from TDS in terms of customer satisfaction.

Castle Cable TV Fiber in Jefferson County, NY

Castle Cable TV logo

Availability:

3.0%

Customer Rating:

 of 5 stars

(0)

Avg. Download Speed

1,000 Mbps

Castle Cable TV offers Fiber service to 3.0% of Jefferson County homes. Across the county, Castle Cable TV Fiber is the only type of service available from the company, with speeds up to 1,000 Mbps, with speeds from 1,000 Mpbs up to 1,000 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 500 and as high as 500, with an average of 500 Mbps throughout the county. Castle Cable TV Fiber is rated other types of internet service available in Jefferson County from Castle Cable TV in terms of customer satisfaction.

Which Fixed Wireless and LTE Internet Providers are Available in Jefferson County?

Verizon Fixed Wireless in Jefferson County, NY

Verizon logo

Availability:

71.9%

Customer Rating:

3.6 of 5 stars

(362)

Avg. Download Speed

257 Mbps

Verizon offers Fixed Wireless service to 71.9% of Jefferson County homes. Across the county, Verizon Fixed Wireless has speeds up to 257 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 county. Verizon Fixed Wireless is rated other types of internet service available in Jefferson County from Verizon in terms of customer satisfaction.

T-Mobile Home Internet Fixed Wireless in Jefferson County, NY

T-Mobile Home Internet logo

Availability:

70.3%

Customer Rating:

4.0 of 5 stars

(342)

Avg. Download Speed

64 Mbps

T-Mobile Home Internet offers Fixed Wireless service to 70.3% of Jefferson 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 64 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 12 Mbps throughout the county. T-Mobile Home Internet Fixed Wireless is rated other types of internet service available in Jefferson County from T-Mobile Home Internet in terms of customer satisfaction.

Hudson Valley Wireless Fixed Wireless in Jefferson County, NY

Hudson Valley Wireless logo

Availability:

1.7%

Customer Rating:

 of 5 stars

(0)

Avg. Download Speed

113 Mbps

Hudson Valley Wireless offers Fixed Wireless service to 1.7% of Jefferson County homes. Across the county, Hudson Valley Wireless Fixed Wireless is the only type of service available from the company, with speeds up to 113 Mbps, with speeds from 25 Mpbs up to 200 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 4.0 and as high as 20, with an average of 12 Mbps throughout the county. Hudson Valley Wireless Fixed Wireless is rated other types of internet service available in Jefferson County from Hudson Valley Wireless in terms of customer satisfaction.

Which Cable Internet Providers are Available in Jefferson County?

Spectrum Cable in Jefferson County, NY

Spectrum logo

Availability:

81.3%

Customer Rating:

3.3 of 5 stars

(1739)

Avg. Download Speed

1,000 Mbps

Spectrum offers Cable service to 81.3% of Jefferson County homes. Across the county, Spectrum Cable has speeds up to 1,000 Mbps, with speeds from 1,000 Mpbs up to 1,000 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 35 and as high as 1,000, with an average of 623 Mbps throughout the county. Spectrum Cable is rated higher than other types of internet service available in Jefferson County from Spectrum in terms of customer satisfaction.

Which DSL Internet Providers are Available in Jefferson County?

Frontier DSL in Jefferson County, NY

Frontier logo

Availability:

10.0%

Customer Rating:

2.7 of 5 stars

(58)

Avg. Download Speed

48 Mbps

Frontier Communications offers DSL service to 10.0% of Jefferson County homes. Across the county, Frontier DSL is the only type of service available from the company, with speeds up to 48 Mbps, with speeds from 10 Mpbs up to 115 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 1.0 and as high as 7.0, with an average of 3.1 Mbps throughout the county. Frontier DSL is rated higher than other types of internet service available in Jefferson County from Frontier in terms of customer satisfaction.

TDS DSL in Jefferson County, NY

TDS logo

Availability:

5.7%

Customer Rating:

3.0 of 5 stars

(7)

Avg. Download Speed

35 Mbps

TDS offers DSL service to 5.7% of Jefferson County homes. Across the county, TDS DSL has speeds up to 35 Mbps, with speeds from 10 Mpbs up to 50 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 1.0 and as high as 10, with an average of 6.6 Mbps throughout the county. TDS DSL is rated about the same as other types of internet service available in Jefferson County from TDS in terms of customer satisfaction.

Customer Reviews for Internet Service Providers in New York

Customer Reviews

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ISPReports User

Verizon Fiber

1 of 5 stars November 13, 2026

do not buy they implemented a new interface that is user hostlie cannot forward through comercials tivo quit working avoid, avoid, avoid

Plan Pricing: 1 of 5 stars
Internet Speed: 3 of 5 stars
Overall Rating: 1 of 5 stars

ISPReports User

Fidium

1 of 5 stars October 31, 2026

Impossible to reach and very difficult to get help - never in real time.

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

ISPReports User

Optimum Cable

3 of 5 stars September 06, 2026
Plan Pricing: 3 of 5 stars
Internet Speed: 3 of 5 stars
Overall Rating: 3 of 5 stars

An angry resident of Glenville, NY

Spectrum Cable

2 of 5 stars July 06, 2026

Spectrum is slow, has poor customer service and also has a monopoly in my area. There is no competition. 5G internet service is not available as there is very poor cell signal at my home. Additionally, Verizon began running FiOS to my neighborhood and then stopped. I can only guess because Spectrum holds the cable franchise rights in the town of Glenville and is fighting to hold on to whatever market share they have.

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

A Addison, NY Customer

T-Mobile Home Internet Fixed Wireless

5 of 5 stars June 09, 2026
Plan Pricing: 5 of 5 stars
Internet Speed: 5 of 5 stars
Overall Rating: 5 of 5 stars

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Which ISP Should You Choose in Jefferson 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 Jefferson County is T-Mobile Home Internet.
  • The fastest internet provider should be Spectrum. Considering speed for the money and reliability in speeds, Verizon may be a better choice based on real-world local customer feedback.
  • The most affordable internet provider in Jefferson County is T-Mobile Home Internet.
  • Viasat, Spectrum, and HughesNet has the broadest coverage in Jefferson County, available to 81.4% 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.