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6 Best Internet Providers in New Castle, NH

Find internet availability by address in New Castle, NH

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

New Castle ISP Report at a Glance
ISP grade New Castle ISP Report Card B
Average speed Download Speed for Most Households 2,000 Mbps
ISP count Number of Internet Service Providers 6
Customer review count Real New Castle 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.

New Castle has 6 internet service providers, they are sorted by coverage, available speed, and customer rating from our unbiased internet provider report. Cable, Fiber, DSL, and Fixed Wireless internet are available in the city. Reviews are grouped by provider and the type of service they offer, covering all 4 available internet technologies in New Castle.

New Castle overview

New Castle has 6 internet service providers, they are sorted by coverage, available speed, and customer rating from our unbiased internet provider report. Cable, Fiber, DSL, and Fixed Wireless internet are available in the city. Reviews are grouped by provider and the type of service they offer, covering all 4 available internet technologies in New Castle.

Compare Providers Ranked by Coverage, Speed, and Customer Ratings

XFINITY

XFINITY logo

Availability:

100.0%

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 New Castle.

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

Customer Rating

Cable

100.0%

2,000 Mbps

2,000 Mbps

Cable: 3.3 of 5 stars

(1,910)

Fidium

Fidium logo

Availability:

100.0%

Customer Rating:

3.8 of 5 stars

(72)

View Plans

1-833-875-1335 Price: $30.00 - $125.00 / mo.

Connection

Availability

Avg. Download Speed InfoThe highest download speed available in New Castle.

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

Customer Rating

Fiber

96.1%

1,519 Mbps

2,000 Mbps

Fiber: 4.1 of 5 stars

(54)

DSL

74.5%

28 Mbps

80 Mbps

DSL: 3.1 of 5 stars

(13)

EarthLink

EarthLink logo

Availability:

75.2%

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 New Castle.

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

Customer Rating

Fixed Wireless

75.2%

25 Mbps

25 Mbps

Wireless: 0.0 of 5 stars

(0)

AT&T

AT&T logo

Availability:

75.2%

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 New Castle.

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

Customer Rating

Fixed Wireless

75.2%

25 Mbps

25 Mbps

Wireless: 3.6 of 5 stars

(164)

Above are the top 4 providers in New Castle, NH 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:

74.8%

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 New Castle.

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

Customer Rating

Fixed Wireless

74.8%

38 Mbps

100 Mbps

Wireless: 3.9 of 5 stars

(204)

Verizon

Verizon logo

Availability:

49.9%

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 New Castle.

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

Customer Rating

Fixed Wireless

49.9%

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 New Castle 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 New Castle ratings may vary and are shown below.

Who is the Best Internet Provider in New Castle, NH?

Verizon is the best internet provider in New Castle based on New Hampshire customer satisfaction ratings and reviews. Based on our extensive and unbiased survey, Verizon had the best reviews at the local, state, and national levels versus all available providers in New Castle, making it a solid recommendation among providers with reviews. Verizon is an option for 49.90% of the city.

Verizon logo

Click here to get Verizon

or call 1-833-213-7018

The chart and table below show average customer ratings from customers in New Castle, New Hampshire, and customers throughout the country.

Top Rated Internet Providers in New Castle


Verizon3.673.82
Fidium3.503.74
XFINITY3.413.37
T-Mobile Home Internet2.004.04
  • City Rating
  • State Rating
  • National Rating

Local, State, and National Ratings for all New Castle Internet Providers

ISP / Tech TypeNew Castle OverallNew Hampshire OverallNational OverallFor Service
Verizon (0) (3) (723)View Plans
Fidium (0) (8) (70)View Plans
XFINITY (0) (32) (2164)View Plans
T-Mobile Home Internet (0) (1) (284)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 45 reviews from New Hampshire internet customers, Verizon is the best internet service provider for New Castle residents. Verizon was rated at an average of 3.67 out of 5 in our report for overall customer satisfaction. Fidium Fiber wins for second-place in New Hampshire, with 3.50 out of 5 stars and 100.0% coverage in New Castle.

At a national level, based on 4206 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 New Castle?

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

New Castle, NH 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 New Castle?

According to unbiased feedback from real internet customers in the city, they reported being happiest with speeds provided by T-Mobile Home Internet. On the other hand, based on data provided by the internet providers to the FCC, XFINITY from Comcast 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 New Castle

Max Advertised Speed in New Castle, NH


ISP / Tech TypeMax Advertised Speed
XFINITY from Comcast2,000 Mbps
Fidium Fiber2,000 Mbps
Verizon300 Mbps
T-Mobile Home Internet100 Mbps
Viasat100 Mbps
EarthLink25 Mbps
AT&T25 Mbps
HughesNet25 Mbps

Customer Ratings for Internet Provider Speeds in New Castle


T-Mobile Home Internet4.003.96
XFINITY3.943.77
Fidium3.883.84
Verizon3.004.00
  • City Rating
  • State Rating
  • National Rating

ISP / Tech TypeNew Castle SpeedNew Hampshire SpeedNational SpeedFor Service
T-Mobile Home Internet (0) (1) (284)View Plans
XFINITY (0) (32) (2164)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
EarthLink (0) (0) (12)View Plans
Viasat (0) (0) (11)View Plans

Based on data reported by New Castle ISPs to the FCC, the fastest speeds in the city are available through XFINITY from Comcast. The company offers speeds up to 2,000 Mbps in New Castle. Therefore, the average customer can get up to 2,000 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 T-Mobile Home Internet. This indicates T-Mobile Home Internet reliably delivers speeds expected by the customer based on the plan they are paying for.

Who is the Cheapest Internet Provider in New Castle?

New Hampshire 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 5.00 out of 5, which is higher than the average across all internet providers in the country. Fidium Fiber is rated in second place for affordability by the company’s New Castle customers with an average price rating of 3.50 out of 5.

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

Rated Affordability in New Castle


T-Mobile Home Internet5.004.11
Fidium3.503.79
Verizon3.333.50
XFINITY2.843.03
  • City Rating
  • State Rating
  • National Rating

ISP / Tech TypeNew Castle AffordabilityNew Hampshire AffordabilityNational AffordabilityFor Service
T-Mobile Home Internet (0) (1) (284)View Plans
Fidium (0) (8) (70)View Plans
Verizon (0) (3) (723)View Plans
XFINITY (0) (32) (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

New Castle 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 New Castle below, including the metrics used and how New Castle compares to the rest of New Hampshire and nation.

New Castle ISP Report Card: B
Metric

(hover for details)
New Castle New Hampshire USA
96.10% 83.21% 67.25%
2,000 Mbps 1,970 Mbps 3,293 Mbps
5.5 5.8 6.8

 

New Castle Digital Connectivity Index: 76 / 100
Metric

(hover for details)
New Castle New Hampshire USA
2.2 2.5 2.7
36% 15% 14%
97% 96% 95%
95% 92% 90%
88% 83% 75%
88% 84% 76%

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

New Castle ISP Report Card & Digital Connectivity Index

The ISP Report Card in New Castle is B, which is much better than other cities. The local demand for broadband internet connectivity in New Castle is high with a score of 76 / 100 in our Digital Connectivity Index. This means that internet service providers operating in New Castle have done a good job meeting the needs of its residents.

The New Castle 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.

95% of New Castle households have an internet connection despite having 100.00% availability. 88% of households have fiber, cable, or DSL, 0% have satellite, 0% are still on dial-up, and 0% 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 88% of households have a broadband connection such as fiber, cable or DSL available to their home, 88% subscribe to it. A very large amount of New Castle 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 New Castle?

Kittery, ME

  • ISP Report Card: B
  • Digital Connectivity Index: 73 / 100
Kittery Point, ME

  • ISP Report Card: B+
  • Digital Connectivity Index: 80 / 100
Portsmouth, NH

  • ISP Report Card: B
  • Digital Connectivity Index: 73 / 100
Rye, NH

  • ISP Report Card: B+
  • Digital Connectivity Index: 81 / 100
Eliot, ME

  • ISP Report Card: B
  • Digital Connectivity Index: 81 / 100
York, ME

  • ISP Report Card: B
  • Digital Connectivity Index: 80 / 100
West Rye, NH

  • ISP Report Card: B+
  • Digital Connectivity Index: 76 / 100
Rye Beach, NH

  • ISP Report Card: B+
  • Digital Connectivity Index: 79 / 100
Greenland, NH

  • ISP Report Card: B
  • Digital Connectivity Index: 84 / 100

How Much Speed does a New Castle Household Need?

Higher speed is typically preferred, but that comes at a higher price. The average size of a household in New Castle is 2.2, which is smaller than the New Hampshire average of 2.5 and smaller than the national average of 2.7. New Castle's average household income is $193,558 which is much higher than the New Hampshire average of $104,600 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.

New Castle also has 8% of its population enrolled in school between the 6th grade and college level, this is lower than the New Hampshire average of 14%. Additionally, 36% of residents work from home, which is higher 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 New Castle has a very high need for internet connectivity and speeds.

Compared to the rest of the country, New Castle households are much more technology-engaged. 97% of households have some sort of computing device, 93% have desktops or laptops in the home, and 97% have smartphones. To see what speeds you are currently getting, please visit our internet speed test tool.

Which Fiber Internet Providers are Available in New Castle?

Fidium Fiber in New Castle, NH

Fidium logo

Availability:

96.1%

Customer Rating:

4.1 of 5 stars

(54)

Avg. Download Speed

1,519 Mbps

Fidium Fiber offers Fiber service to 96.1% of New Castle homes. Across the city, Fidium Fiber has speeds up to 1,519 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 New Castle from Fidium in terms of customer satisfaction.

Which Cable Internet Providers are Available in New Castle?

XFINITY Cable in New Castle, NH

XFINITY logo

Availability:

100.0%

Customer Rating:

3.3 of 5 stars

(1,910)

Avg. Download Speed

2,000 Mbps

XFINITY from Comcast offers Cable service to 100.0% of New Castle homes. Across the city, XFINITY Cable is the only type of service available from the company, with speeds up to 2,000 Mbps, with speeds from 2,000 Mpbs up to 2,000 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 250 and as high as 250, with an average of 250 Mbps throughout the city. XFINITY Cable is rated about the same as other types of internet service available in New Castle from XFINITY in terms of customer satisfaction.

Which DSL Internet Providers are Available in New Castle?

Fidium DSL in New Castle, NH

Fidium logo

Availability:

74.5%

Customer Rating:

3.1 of 5 stars

(13)

Avg. Download Speed

28 Mbps

Fidium Fiber offers DSL service to 74.5% of New Castle homes. Across the city, Fidium DSL has speeds up to 28 Mbps, with speeds from 10 Mpbs up to 80 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 5.8 Mbps throughout the city. Fidium DSL is rated lower than other types of internet service available in New Castle from Fidium in terms of customer satisfaction.

Which Fixed Wireless and LTE Internet Providers are Available in New Castle?

EarthLink Fixed Wireless in New Castle, NH

EarthLink logo

Availability:

75.2%

Customer Rating:

 of 5 stars

(0)

Avg. Download Speed

25 Mbps

EarthLink offers Fixed Wireless service to 75.2% of New Castle homes. Across the city, EarthLink Fixed Wireless is the only type of service available from the company, with speeds up to 25 Mbps, with speeds from 25 Mpbs up to 25 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 3.0 and as high as 3.0, with an average of 3.0 Mbps throughout the city. EarthLink Fixed Wireless is rated other types of internet service available in New Castle from EarthLink in terms of customer satisfaction.

AT&T Fixed Wireless in New Castle, NH

AT&T logo

Availability:

75.2%

Customer Rating:

 of 5 stars

(0)

Avg. Download Speed

25 Mbps

AT&T offers Fixed Wireless service to 75.2% of New Castle homes. Across the city, AT&T Fixed Wireless is the only type of service available from the company, with speeds up to 25 Mbps, with speeds from 25 Mpbs up to 25 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 3.0 and as high as 3.0, with an average of 3.0 Mbps throughout the city. AT&T Fixed Wireless is rated other types of internet service available in New Castle from AT&T in terms of customer satisfaction.

T-Mobile Home Internet Fixed Wireless in New Castle, NH

T-Mobile Home Internet logo

Availability:

74.8%

Customer Rating:

 of 5 stars

(0)

Avg. Download Speed

38 Mbps

T-Mobile Home Internet offers Fixed Wireless service to 74.8% of New Castle homes. Across the city, T-Mobile Home Internet Fixed Wireless is the only type of service available from the company, with speeds up to 38 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 5.9 Mbps throughout the city. T-Mobile Home Internet Fixed Wireless is rated other types of internet service available in New Castle from T-Mobile Home Internet in terms of customer satisfaction.

Verizon Fixed Wireless in New Castle, NH

Verizon logo

Availability:

49.9%

Customer Rating:

 of 5 stars

(0)

Avg. Download Speed

300 Mbps

Verizon offers Fixed Wireless service to 49.9% of New Castle 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 New Castle from Verizon in terms of customer satisfaction.

Which ISP Should You Choose in New Castle?

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 New Castle is Verizon.
  • The fastest internet provider should be XFINITY from Comcast. Considering speed for the money and reliability in speeds, T-Mobile Home Internet may be a better choice based on real-world local customer feedback.
  • The most affordable internet provider in New Castle is T-Mobile Home Internet.
  • HughesNet, Viasat, XFINITY from Comcast, and Fidium Fiber has the broadest coverage in New Castle, 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 New Castle compare to other cities with a similar population?

To see how New Castle 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 New Castle's B ISP Report Card and 76 / 100 Digital Connectivity Index.

Wausa, NE

  • ISP Report Card: D
  • Digital Connectivity Index: 60 / 100
Brownlow, WV

  • ISP Report Card: C+
  • Digital Connectivity Index: 42 / 100
Brownville, NY

  • ISP Report Card: C+
  • Digital Connectivity Index: 84 / 100
Cades, SC

  • ISP Report Card: D+
  • Digital Connectivity Index: 11 / 100
Campton, GA

  • ISP Report Card: C
  • Digital Connectivity Index: 74 / 100
Clarkson, NE

  • ISP Report Card: B
  • Digital Connectivity Index: 30 / 100
Cokesbury, NC

  • ISP Report Card: B
  • Digital Connectivity Index: 47 / 100
Crabtree, OR

  • ISP Report Card: B
  • Digital Connectivity Index: 81 / 100
Dale, PA

  • ISP Report Card: D
  • Digital Connectivity Index: 30 / 100

Customer Reviews

Customer Reviews for Internet Service Providers in New Hampshire

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