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7 Best Internet Providers in Southbury, CT

Find internet availability by address in Southbury, CT

Jump to: Best Internet Provider | Availability Maps | Customer Reviews | Southbury ISP Report Card | Business Internet in Southbury

Southbury ISP Report at a Glance
ISP grade Southbury ISP Report Card B
Average speed Download Speed for Most Households 5,784 Mbps
ISP count Number of Internet Service Providers 7
Customer review count Real Southbury Customer Ratings 0

This page reflects the most recent FCC update from January 06, 2026, based on the Broadband Data Collection as of June 30, 2025.

Data update information

This page reflects the most recent FCC update from January 06, 2026, based on the Broadband Data Collection as of June 30, 2025.

Southbury has 7 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 city. Reviews are grouped by provider and the type of service they offer, covering all 4 available internet technologies in Southbury.

Southbury overview

Southbury has 7 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 city. Reviews are grouped by provider and the type of service they offer, covering all 4 available internet technologies in Southbury.

Compare Providers Ranked by Coverage, Speed, and Customer Ratings

Spectrum

Spectrum logo

Availability:

97.8%

Customer Rating:

3.3 of 5 stars

(1,936)

View Plans

1-877-411-1381 Price: $30.00 - $120.00 / mo.

Connection

Availability

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

Max Download Speed InfoCalculated from the maximum speeds available to most Southbury residents, weighted by user distribution.

Customer Rating

Fiber

4.9%

1,000 Mbps

1,000 Mbps

Fiber: 3.5 of 5 stars

(203)

Cable

97.8%

1,000 Mbps

1,000 Mbps

Cable: 3.2 of 5 stars

(1,618)

Frontier

Frontier logo

Availability:

83.9%

Customer Rating:

3.4 of 5 stars

(166)

View Plans

1-877-361-2072 Price: $44.99 - $134.99 / mo.

Connection

Availability

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

Max Download Speed InfoCalculated from the maximum speeds available to most Southbury residents, weighted by user distribution.

Customer Rating

Fiber

79.9%

7,000 Mbps

7,000 Mbps

Fiber: 3.8 of 5 stars

(110)

DSL

24.6%

10 Mbps

10 Mbps

DSL: 2.5 of 5 stars

(46)

XFINITY

XFINITY logo

Availability:

3.5%

Customer Rating:

3.4 of 5 stars

(2,391)

View Plans

1-877-244-3013 Price: $40.00 - $130.00 / mo.

Connection

Availability

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

Max Download Speed InfoCalculated from the maximum speeds available to most Southbury residents, weighted by user distribution.

Customer Rating

Cable

3.5%

1,934 Mbps

2,000 Mbps

Cable: 3.3 of 5 stars

(1,910)

EarthLink

EarthLink logo

Availability:

91.5%

Customer Rating:

3.8 of 5 stars

(13)

View Plans

1-877-418-2092 Price: Starting at $54.95 / mo.

Connection

Availability

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

Max Download Speed InfoCalculated from the maximum speeds available to most Southbury residents, weighted by user distribution.

Customer Rating

Fixed Wireless

91.5%

32 Mbps

100 Mbps

Wireless: 0.0 of 5 stars

(0)

Above are the top 4 providers in Southbury, CT for most people based on high speed internet coverage, speeds, and customer reviews. Click below to see all providers in your city.


T-Mobile Home Internet

T-Mobile Home Internet logo

Availability:

97.5%

Customer Rating:

4.0 of 5 stars

(341)

View Plans

1-833-601-2935 Price: $55.00 - $105.00 / mo.

Connection

Availability

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

Max Download Speed InfoCalculated from the maximum speeds available to most Southbury residents, weighted by user distribution.

Customer Rating

Fixed Wireless

97.5%

71 Mbps

100 Mbps

Wireless: 3.9 of 5 stars

(204)

AT&T

AT&T logo

Availability:

91.5%

Customer Rating:

3.7 of 5 stars

(1,051)

View Plans

1-877-610-1219 Price: $65.00 - $90.00 / mo.

Connection

Availability

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

Max Download Speed InfoCalculated from the maximum speeds available to most Southbury residents, weighted by user distribution.

Customer Rating

Fixed Wireless

91.5%

32 Mbps

100 Mbps

Wireless: 3.6 of 5 stars

(164)

Verizon

Verizon logo

Availability:

57.3%

Customer Rating:

3.8 of 5 stars

(811)

View Plans

1-833-213-7018 Price: $49.99 - $89.99 / mo.

Connection

Availability

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

Max Download Speed InfoCalculated from the maximum speeds available to most Southbury residents, weighted by user distribution.

Customer Rating

Fixed Wireless

57.3%

300 Mbps

300 Mbps

Wireless: 3.7 of 5 stars

(170)

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.

Satellite providers, which generally offer 100% coverage across the United States, are available for Southbury 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.

Dish

Dish logo

Availability:

100%

Customer Rating:

3.6923 of 5 stars

(13)

View Plans

1-866-252-1910 Price: {{isp_price_range}}


DirecTV

DirecTV logo

Availability:

100%

Customer Rating:

4.3333 of 5 stars

(9)

View Plans

1-844-294-9501 Price: {{isp_price_range}}


Viasat

Viasat logo

Availability:

100%

Customer Rating:

1.7273 of 5 stars

(11)

View Plans

1-833-875-1370 Price: {{isp_price_range}}


HughesNet

HughesNet logo

Availability:

100%

Customer Rating:

2.4286 of 5 stars

(21)

View Plans

1-833-684-9249 Price: {{isp_price_range}}


Starlink

Starlink logo

Availability:

100%

Customer Rating:

3.9836 of 5 stars

(61)

View Plans

Price: {{isp_price_range}}

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 Southbury ratings may vary and are shown below.

Who is the Best Internet Provider in Southbury, CT?

T-Mobile Home Internet is the highest-rated internet provider in Southbury based on 63 Connecticut customer reviews, and T-Mobile Home Internet has the highest rating nationwide. The provider information above and the information immediately below can help you decide. Compare provider ratings and review counts above. The chart and table below show average customer ratings from customers in Southbury, Connecticut, and customers throughout the country.

Top Rated Internet Providers in Southbury


T-Mobile Home Internet4.334.04
Verizon3.803.82
Frontier3.423.39
Spectrum3.253.28
  • City Rating
  • State Rating
  • National Rating

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

ISP / Tech TypeSouthbury OverallConnecticut OverallNational OverallFor Service
T-Mobile Home Internet (0) (3) (284)View Plans
Verizon (0) (5) (723)View Plans
Frontier (0) (12) (143)View Plans
Spectrum (0) (8) (1738)View Plans
XFINITY (0) (34) (2164)View Plans
HughesNet (0) (1) (18)View Plans
AT&T (0) (0) (924)View Plans
EarthLink (0) (0) (12)View Plans
Viasat (0) (0) (11)View Plans

Based on 63 reviews from Connecticut internet customers, T-Mobile Home Internet is the best internet service provider for Southbury residents. T-Mobile Home Internet was rated at an average of 4.33 out of 5 in our report for overall customer satisfaction. Verizon wins for second-place in Connecticut, with 3.80 out of 5 stars and 57.3% coverage in Southbury.

At a national level, based on 6017 national reviews for any of the providers listed above, T-Mobile Home Internet is rated higher than any other provider, with a rating of 4.04 out of 5.

Which Providers are Available at my Home in Southbury?

The map shows speeds per provider and where each provider is available. Click the drop-down menu to choose
a different provider.

Southbury, CT map of internet availability

Internet Availability Key

0%
10%
50%
100%

 

Speeds and coverage vary within the city, 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 Southbury?

According to unbiased feedback from real internet customers in the city, they reported being happiest with speeds provided by Verizon. On the other hand, based on data provided by the internet providers to the FCC, Frontier Communications 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 Southbury

Max Advertised Speed in Southbury, CT


ISP / Tech TypeMax Advertised Speed
Frontier Communications7,000 Mbps
XFINITY from Comcast2,000 Mbps
Spectrum1,000 Mbps
Verizon300 Mbps
AT&T100 Mbps
EarthLink100 Mbps
T-Mobile Home Internet100 Mbps
Viasat100 Mbps
HughesNet25 Mbps

Customer Ratings for Internet Provider Speeds in Southbury


Verizon3.804.00
T-Mobile Home Internet3.673.96
XFINITY3.593.77
Spectrum3.383.61
  • City Rating
  • State Rating
  • National Rating

ISP / Tech TypeSouthbury SpeedConnecticut SpeedNational SpeedFor Service
Verizon (0) (5) (723)View Plans
T-Mobile Home Internet (0) (3) (284)View Plans
XFINITY (0) (34) (2164)View Plans
Spectrum (0) (8) (1738)View Plans
Frontier (0) (12) (143)View Plans
HughesNet (0) (1) (18)View Plans
AT&T (0) (0) (924)View Plans
EarthLink (0) (0) (12)View Plans
Viasat (0) (0) (11)View Plans

Based on data reported by Southbury ISPs to the FCC, the fastest speeds in the city are available through Frontier Communications. The company offers speeds up to 7,000 Mbps in Southbury. Therefore, the average customer can get up to 6,660 Mbps if they're willing to purchase the fastest subscription tier available at their homes.

Additionally, actual customers in the city 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.

Who is the Cheapest Internet Provider in Southbury?

Connecticut customers rate T-Mobile Home Internet 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.

T-Mobile Home Internet received a local rating of 4.33 out of 5, which is about average for the average across all internet providers in the country. Verizon is rated in second place for affordability by the company’s Southbury customers with an average price rating of 4.00 out of 5.

The chart and graph below show how customers in Southbury, Connecticut, and the United States rated the affordability of their internet service.

Rated Affordability in Southbury


T-Mobile Home Internet4.334.11
Verizon4.003.50
Frontier3.503.37
XFINITY2.883.03
  • City Rating
  • State Rating
  • National Rating

ISP / Tech TypeSouthbury AffordabilityConnecticut AffordabilityNational AffordabilityFor Service
T-Mobile Home Internet (0) (3) (284)View Plans
Verizon (0) (5) (723)View Plans
Frontier (0) (12) (143)View Plans
XFINITY (0) (34) (2164)View Plans
Spectrum (0) (8) (1738)View Plans
HughesNet (0) (1) (18)View Plans
AT&T (0) (0) (924)View Plans
EarthLink (0) (0) (12)View Plans
Viasat (0) (0) (11)View Plans

Southbury 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 city 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 Southbury below, including the metrics used and how Southbury compares to the rest of Connecticut and nation.

Southbury ISP Report Card: B
Metric

(hover for details)
Southbury Connecticut USA
79.86% 92.55% 67.25%
5,784 Mbps 6,732 Mbps 3,293 Mbps
5.5 6.5 6.8

 

Southbury Digital Connectivity Index: 77 / 100
Metric

(hover for details)
Southbury Connecticut USA
2.5 2.5 2.7
22% 15% 14%
94% 95% 95%
93% 92% 90%
85% 80% 75%
85% 81% 76%

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

Southbury ISP Report Card & Digital Connectivity Index

The ISP Report Card in Southbury is B, which is much better than other cities. The local demand for broadband internet connectivity in Southbury is high with a score of 77 / 100 in our Digital Connectivity Index. This means that internet service providers operating in Southbury have done a good job meeting the needs of its residents.

The Southbury ISP Report Card evaluates the city on availability and speed metrics compared to other cities in the United States. ISP Infrastructure can vary greatly and on its own isn’t a perfect measure of what a city 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.

93% of Southbury households have an internet connection despite having 99.85% availability. 85% of households have fiber, cable, or DSL, 2% have satellite, 1% are still on dial-up, and 2% 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 85% of households have a broadband connection such as fiber, cable or DSL available to their home, 85% subscribe to it. A very large amount of Southbury 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 Cities Compare to Southbury?

Cedarhurst, CT

  • ISP Report Card: A
  • Digital Connectivity Index: 89 / 100
Sandy Hook, CT

  • ISP Report Card: B+
  • Digital Connectivity Index: 91 / 100
Roxbury Falls, CT

  • ISP Report Card: B-
  • Digital Connectivity Index: 79 / 100
Woodbury, CT

  • ISP Report Card: B+
  • Digital Connectivity Index: 78 / 100
Oxford, CT

  • ISP Report Card: A-
  • Digital Connectivity Index: 78 / 100
Middlebury, CT

  • ISP Report Card: B+
  • Digital Connectivity Index: 79 / 100
Roxbury, CT

  • ISP Report Card: B-
  • Digital Connectivity Index: 71 / 100
Newtown, CT

  • ISP Report Card: B+
  • Digital Connectivity Index: 87 / 100
Minortown, CT

  • ISP Report Card: A-
  • Digital Connectivity Index: 78 / 100

How Much Speed does a Southbury Household Need?

Higher speed is typically preferred, but that comes at a higher price. The average size of a household in Southbury is 2.5, which is smaller than the Connecticut average of 2.5 and smaller than the national average of 2.7. Southbury's average household income is $128,007 which is much higher than the Connecticut average of $108,836 and much higher than the national average of $90,606. Homes with fewer people living in them and with higher incomes tend to indicate a fairly average device usage pattern.

Southbury also has 13% of its population enrolled in school between the 6th grade and college level, this is lower than the Connecticut average of 16%. Additionally, 22% of residents work from home, which is higher than the 15% of residents in Connecticut who work from home. This and other factors you can see above show us that the community of Southbury has a very high need for internet connectivity and speeds.

Compared to the rest of the country, Southbury households are about average when it comes to technological engagement. 94% of households have some sort of computing device, 93% 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 Southbury?

Frontier Fiber in Southbury, CT

Frontier logo

Availability:

79.9%

Customer Rating:

3.8 of 5 stars

(110)

Avg. Download Speed

7,000 Mbps

Frontier Communications offers Fiber service to 79.9% of Southbury homes. Across the city, Frontier Fiber has speeds up to 7,000 Mbps, with speeds from 7,000 Mpbs up to 7,000 Mbps depending on the address. Upload speeds are symmetrical, meaning they are exactly the same as download speeds for Frontier Fiber. Frontier Fiber is rated higher than other types of internet service available in Southbury from Frontier in terms of customer satisfaction.

Spectrum Fiber in Southbury, CT

Spectrum logo

Availability:

4.9%

Customer Rating:

3.5 of 5 stars

(203)

Avg. Download Speed

1,000 Mbps

Spectrum offers Fiber service to 4.9% of Southbury homes. Across the city, 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 500, with an average of 500 Mbps throughout the city. Spectrum Fiber is rated about the same as other types of internet service available in Southbury from Spectrum in terms of customer satisfaction.

Which Cable Internet Providers are Available in Southbury?

Spectrum Cable in Southbury, CT

Spectrum logo

Availability:

97.8%

Customer Rating:

3.2 of 5 stars

(1,618)

Avg. Download Speed

1,000 Mbps

Spectrum offers Cable service to 97.8% of Southbury homes. Across the city, 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 35, with an average of 35 Mbps throughout the city. Spectrum Cable is rated lower than other types of internet service available in Southbury from Spectrum in terms of customer satisfaction.

XFINITY Cable in Southbury, CT

XFINITY logo

Availability:

3.5%

Customer Rating:

3.3 of 5 stars

(1,910)

Avg. Download Speed

1,934 Mbps

XFINITY from Comcast offers Cable service to 3.5% of Southbury homes. Across the city, XFINITY Cable is the only type of service available from the company, with speeds up to 1,934 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 232 Mbps throughout the city. XFINITY Cable is rated about the same as other types of internet service available in Southbury from XFINITY in terms of customer satisfaction.

Which DSL Internet Providers are Available in Southbury?

Frontier DSL in Southbury, CT

Frontier logo

Availability:

24.6%

Customer Rating:

2.5 of 5 stars

(46)

Avg. Download Speed

10 Mbps

Frontier Communications offers DSL service to 24.6% of Southbury homes. Across the city, Frontier DSL has speeds up to 10 Mbps, with speeds from 10 Mpbs up to 10 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 1.0 and as high as 1.0, with an average of 1.0 Mbps throughout the city. Frontier DSL is rated lower than other types of internet service available in Southbury from Frontier in terms of customer satisfaction.

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

T-Mobile Home Internet Fixed Wireless in Southbury, CT

T-Mobile Home Internet logo

Availability:

97.5%

Customer Rating:

 of 5 stars

(0)

Avg. Download Speed

71 Mbps

T-Mobile Home Internet offers Fixed Wireless service to 97.5% of Southbury homes. Across the city, T-Mobile Home Internet Fixed Wireless is the only type of service available from the company, with speeds up to 71 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 13 Mbps throughout the city. T-Mobile Home Internet Fixed Wireless is rated other types of internet service available in Southbury from T-Mobile Home Internet in terms of customer satisfaction.

EarthLink Fixed Wireless in Southbury, CT

EarthLink logo

Availability:

91.5%

Customer Rating:

 of 5 stars

(0)

Avg. Download Speed

32 Mbps

EarthLink offers Fixed Wireless service to 91.5% of Southbury homes. Across the city, EarthLink Fixed Wireless is the only type of service available from the company, with speeds up to 32 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 4.7 Mbps throughout the city. EarthLink Fixed Wireless is rated other types of internet service available in Southbury from EarthLink in terms of customer satisfaction.

AT&T Fixed Wireless in Southbury, CT

AT&T logo

Availability:

91.5%

Customer Rating:

 of 5 stars

(0)

Avg. Download Speed

32 Mbps

AT&T offers Fixed Wireless service to 91.5% of Southbury homes. Across the city, AT&T Fixed Wireless is the only type of service available from the company, with speeds up to 32 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 4.7 Mbps throughout the city. AT&T Fixed Wireless is rated other types of internet service available in Southbury from AT&T in terms of customer satisfaction.

Verizon Fixed Wireless in Southbury, CT

Verizon logo

Availability:

57.3%

Customer Rating:

 of 5 stars

(0)

Avg. Download Speed

300 Mbps

Verizon offers Fixed Wireless service to 57.3% of Southbury homes. Across the city, Verizon Fixed Wireless is the only type of service available from the company, with speeds up to 300 Mbps, with speeds from 300 Mpbs up to 300 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 20 and as high as 20, with an average of 20 Mbps throughout the city. Verizon Fixed Wireless is rated other types of internet service available in Southbury from Verizon in terms of customer satisfaction.

Which ISP Should You Choose in Southbury?

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 Southbury is T-Mobile Home Internet.
  • The fastest internet provider should be Frontier Communications. 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 Southbury is T-Mobile Home Internet.
  • Viasat, Spectrum, and HughesNet has the broadest coverage in Southbury, 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 Southbury compare to other cities with a similar population?

To see how Southbury 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 Southbury's B ISP Report Card and 77 / 100 Digital Connectivity Index.

Somerton, AZ

  • ISP Report Card: B
  • Digital Connectivity Index: 56 / 100
Elkins Park, PA

  • ISP Report Card: B+
  • Digital Connectivity Index: 80 / 100
Enola, PA

  • ISP Report Card: B+
  • Digital Connectivity Index: 76 / 100
Satellite Beach, FL

  • ISP Report Card: B+
  • Digital Connectivity Index: 85 / 100
Sellersburg, IN

  • ISP Report Card: B+
  • Digital Connectivity Index: 79 / 100
Sharon, MA

  • ISP Report Card: B-
  • Digital Connectivity Index: 92 / 100
Sherrelwood, CO

  • ISP Report Card: B
  • Digital Connectivity Index: 67 / 100
Sienna Plantation, TX

  • ISP Report Card: B
  • Digital Connectivity Index: 96 / 100
Sikeston, MO

  • ISP Report Card: C-
  • Digital Connectivity Index: 54 / 100

Customer Reviews

Customer Reviews for Internet Service Providers in Connecticut

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