5 Best Internet Providers in Theresa, NY
Find internet availability by address in Theresa, NY
Jump to: Best Internet Provider | Availability Maps | Customer Reviews | Theresa ISP Report Card | Business Internet in Theresa
| Theresa ISP Report Card | D+ | |
| Download Speed for Most Households | 998 Mbps | |
| Number of Internet Service Providers | 5 | |
| Real Theresa 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.
This page reflects the most recent FCC update from January 06, 2026, based on the Broadband Data Collection as of June 30, 2025.
Theresa has 5 internet service providers, they are sorted by coverage, available speed, and customer rating from our unbiased internet provider report. Cable, Fiber, 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 Theresa.
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Theresa has 5 internet service providers, they are sorted by coverage, available speed, and customer rating from our unbiased internet provider report. Cable, Fiber, 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 Theresa.
Compare Providers Ranked by Coverage, Speed, and Customer Ratings
Spectrum
Connection
Customer Rating
Cable
EarthLink
Connection
Customer Rating
Fiber
Verizon
Connection
Customer Rating
Fiber
Fixed Wireless
Castle Cable TV
Connection
Customer Rating
Fiber
Above are the top 4 providers in Theresa, NY for most people based on high speed internet coverage, speeds, and customer reviews. Click below to see all providers in your city.
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 Theresa ratings may vary and are shown below.
Who is the Best Internet Provider in Theresa, NY?
T-Mobile Home Internet is the highest-rated internet provider in Theresa based on 372 New York 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 Theresa, New York, and customers throughout the country.
Top Rated Internet Providers in Theresa
Local, State, and National Ratings for all Theresa Internet Providers
| ISP / Tech Type | Theresa Overall | New York Overall | National Overall | For Service | ||
|---|---|---|---|---|---|---|
| T-Mobile Home Internet | (0) | (16) | (284) | View Plans | ||
| Verizon | (0) | (177) | (723) | View Plans | ||
| Spectrum | (0) | (177) | (1738) | View Plans | ||
| EarthLink | (0) | (1) | (12) | View Plans | ||
| HughesNet | (0) | (1) | (18) | View Plans | ||
| Viasat | (0) | (0) | (11) | View Plans | ||
| Castle Cable TV | (0) | (0) | (0) | View Plans |
Based on 372 reviews from New York internet customers, T-Mobile Home Internet is the best internet service provider for Theresa residents. T-Mobile Home Internet was rated at an average of 4.13 out of 5 in our report for overall customer satisfaction. Verizon wins for second-place in New York, with 3.76 out of 5 stars and 44.4% coverage in Theresa.
At a national level, based on 2786 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 Theresa?
a different provider.

Internet Availability Key
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 Theresa?
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, Spectrum and Castle Cable TV 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 Theresa
| ISP / Tech Type | Max Advertised Speed | ||
|---|---|---|---|
| Castle Cable TV | 1,000 Mbps | ||
| Spectrum | 1,000 Mbps | ||
| EarthLink | 940 Mbps | ||
| Verizon | 940 Mbps | ||
| T-Mobile Home Internet | 100 Mbps | ||
| Viasat | 100 Mbps | ||
| HughesNet | 25 Mbps |
Customer Ratings for Internet Provider Speeds in Theresa
| ISP / Tech Type | Theresa Speed | New York Speed | National Speed | For Service | ||
|---|---|---|---|---|---|---|
| Verizon | (0) | (177) | (723) | View Plans | ||
| T-Mobile Home Internet | (0) | (16) | (284) | View Plans | ||
| Spectrum | (0) | (177) | (1738) | View Plans | ||
| EarthLink | (0) | (1) | (12) | View Plans | ||
| HughesNet | (0) | (1) | (18) | View Plans | ||
| Viasat | (0) | (0) | (11) | View Plans | ||
| Castle Cable TV | (0) | (0) | (0) | View Plans |
Based on data reported by Theresa ISPs to the FCC, the fastest speeds in the city are available through Spectrum and Castle Cable TV. These internet providers offer speeds up to 1,000 Mbps in Theresa. 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.
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 Theresa?
New York 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 4.00 out of 5, which is lower than the average across all internet providers in the country. Verizon is rated in second place for affordability by the company’s Theresa customers with an average price rating of 3.31 out of 5.
The chart and graph below show how customers in Theresa, New York, and the United States rated the affordability of their internet service.
Rated Affordability in Theresa
| ISP / Tech Type | Theresa Affordability | New York Affordability | National Affordability | For Service | ||
|---|---|---|---|---|---|---|
| T-Mobile Home Internet | (0) | (16) | (284) | View Plans | ||
| Verizon | (0) | (177) | (723) | View Plans | ||
| Spectrum | (0) | (177) | (1738) | View Plans | ||
| EarthLink | (0) | (1) | (12) | View Plans | ||
| HughesNet | (0) | (1) | (18) | View Plans | ||
| Viasat | (0) | (0) | (11) | View Plans | ||
| Castle Cable TV | (0) | (0) | (0) | View Plans |
Theresa 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 Theresa below, including the metrics used and how Theresa compares to the rest of New York and nation.
| Metric
(hover for details)
|
Theresa | New York | USA | ||
|---|---|---|---|---|---|
| Fiber Availability Percent The percentage of households in Theresa that have a Fiber internet connection available to their home. | 39.57% | 83.33% | 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. | 998 Mbps | 4,072 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 Theresa. | 2.6 | 4.9 | 6.8 |
| Average Household SizeA larger household size in a city indicates that there will be a greater need for bandwidth due to simultaneous usage, multiple devices, and network congestion. | 2.8 | 2.7 | 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% | 13% | 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. | 95% | 94% | 95% | ||
| Households with InternetA higher percentage of households with internet indicates a higher need for usage and connectivity in people’s daily lives. | 90% | 90% | 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. | 71% | 76% | 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% | 77% | 76% |
Our demographic data is sourced from the latest 5-year release of the American Community Survey by the US Census Bureau.
Theresa ISP Report Card & Digital Connectivity Index
The ISP Report Card in Theresa is D+, which is better than other cities. The local demand for broadband internet connectivity in Theresa is high with a score of 67 / 100 in our Digital Connectivity Index. This means that internet service providers operating in Theresa have done a good job meeting the needs of its residents.
The Theresa 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.
90% of Theresa households have an internet connection despite having 97.31% availability. 71% of households have fiber, cable, or DSL, 9% have satellite, 0% are still on dial-up, and 1% 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 71% of households have a broadband connection such as fiber, cable or DSL available to their home, 73% subscribe to it. A large amount of Theresa 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 Theresa?
- ISP Report Card: D
- Digital Connectivity Index: 51 / 100
- ISP Report Card: C-
- Digital Connectivity Index: 35 / 100
- ISP Report Card: C+
- Digital Connectivity Index: 36 / 100
- ISP Report Card: C+
- Digital Connectivity Index: 38 / 100
- ISP Report Card: D+
- Digital Connectivity Index: 46 / 100
- ISP Report Card: B-
- Digital Connectivity Index: 42 / 100
- ISP Report Card: C
- Digital Connectivity Index: 46 / 100
- ISP Report Card: B-
- Digital Connectivity Index: 35 / 100
- ISP Report Card: D
- Digital Connectivity Index: 67 / 100
How Much Speed does a Theresa Household Need?
Higher speed is typically preferred, but that comes at a higher price. The average size of a household in Theresa is 2.8, which is larger than the New York average of 2.7 and larger than the national average of 2.7. Theresa's average household income is $73,548 which is lower than the New York average of $98,794 and about average for 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.
Theresa also has 15% of its population enrolled in school between the 6th grade and college level, this is lower than the New York average of 16%. Additionally, 11% of residents work from home, which is lower than the 13% of residents in New York who work from home. This and other factors you can see above show us that the community of Theresa has a high need for internet connectivity and speeds.
Compared to the rest of the country, Theresa households are more technology-engaged. 95% of households have some sort of computing device, 85% have desktops or laptops in the home, and 92% have smartphones. To see what speeds you are currently getting, please visit our internet speed test tool.
Which Fiber Internet Providers are Available in Theresa?
EarthLink Fiber in Theresa, NY
EarthLink offers Fiber service to 38.1% of Theresa homes. Across the city, EarthLink Fiber is the only type of service available from the company, with speeds up to 940 Mbps
Verizon Fiber in Theresa, NY
Verizon offers Fiber service to 38.1% of Theresa homes. Across the city, Verizon Fiber has speeds up to 940 Mbps
Castle Cable TV Fiber in Theresa, NY
Castle Cable TV offers Fiber service to 1.5% of Theresa homes. Across the city, Castle Cable TV 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 Theresa?
Spectrum Cable in Theresa, NY
Spectrum offers Cable service to 93.2% of Theresa homes. Across the city, Spectrum Cable is the only type of service available from the company, with speeds up to 1,000 Mbps
Which DSL Internet Providers are Available in Theresa?
According to the most recently submitted data by internet service providers to the FCC, there are currently no DSL providers available in Theresa, NY.
Which Fixed Wireless and LTE Internet Providers are Available in Theresa?
T-Mobile Home Internet Fixed Wireless in Theresa, NY
T-Mobile Home Internet offers Fixed Wireless service to 71.5% of Theresa homes. Across the city, T-Mobile Home Internet Fixed Wireless is the only type of service available from the company, with speeds up to 36 Mbps, with speeds from 25 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 3.0 and as high as 20, with an average of 5.6 Mbps throughout the city.
Verizon Fixed Wireless in Theresa, NY
Verizon offers Fixed Wireless service to 6.3% of Theresa homes. Across the city, Verizon Fixed Wireless has speeds up to 300 Mbps
Which ISP Should You Choose in Theresa?
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 Theresa is T-Mobile Home Internet.
- The fastest internet provider should be Spectrum and Castle Cable TV. 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 Theresa is T-Mobile Home Internet.
- Viasat, Spectrum, and HughesNet has the broadest coverage in Theresa, 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 Theresa compare to other cities with a similar population?
To see how Theresa 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 Theresa's D+ ISP Report Card and 67 / 100 Digital Connectivity Index.
- ISP Report Card: C
- Digital Connectivity Index: 56 / 100
- ISP Report Card: C+
- Digital Connectivity Index: 64 / 100
- ISP Report Card: D+
- Digital Connectivity Index: 39 / 100
- ISP Report Card: C+
- Digital Connectivity Index: 40 / 100
- ISP Report Card: C
- Digital Connectivity Index: 13 / 100
- ISP Report Card: D
- Digital Connectivity Index: 46 / 100
- ISP Report Card: C-
- Digital Connectivity Index: 44 / 100
- ISP Report Card: B-
- Digital Connectivity Index: 44 / 100
- ISP Report Card: B
- Digital Connectivity Index: 86 / 100
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