In 03870 there are 8 residential internet providers covering 100.00% of the zip. The average home can get speeds up to 2,000 Mbps. Note that we may have a financial relationship with some of the providers below. This does not influence rankings, and helps us provide high-quality detailed information for free.
Jump to Availability Maps
8 Internet Service Providers in 03870
Data updated 11/14/2025, based on FCC data from 12/31/2024. This is the most current data available as of .
To avoid wasting your time, providers with less than 1% coverage in 03870 are not shown.
03870 Satellite TV & Internet Providers
DISH Satellite TV
DIRECTV Satellite TV
Not sure whether to choose Dish or DIRECTV? For most people most of the time we recommend DISH. But click here to learn more.
Viasat Satellite Internet
Availability maps for all providers in 03870
Using the dropdown below, please select a provider. Green indicates nearly all homes have service, red indicates few homes have service, and blank indicates no service.
Please note some providers will take longer to load than others
Internet service is available in 100.00% of 03870. Using our interactive availability map, you can compare service areas for different providers, we include fiber, cable, DSL, or fixed wireless internet service for all providers who offer it. You will notice that some providers might be listed multiple times for each service. If you find no providers cover the location you're looking at, you can opt for satellite service. The most widely available provider is XFINITY. Now you can call companies in 03870 with more confidence that they might be available.
How fast are internet speeds in 03870?
The map below shows maximum internet speeds by area in 03870.
Internet Speed Key
The average 03870 home can get up to 2,000 Mbps on their internet plan. For most people, the fastest download speed in the zip is 2,000 Mbps, which 100.00% of residents can get.
What type of internet should I choose in 03870?
The fastest internet for you may vary based on where in 03870 you live. If speed is your main concern, fiber will be the fastest internet in the zip.
- Fiber is the fastest internet type for 71.19% of 03870 homes.
- Cable is fastest for 28.81% of the zip.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for less than 1%.
- Satellite internet may be the only option for less than 1% of 03870 homes.
Internet Market Health in 03870
Internet Competition Key
The map shows how competitive the 03870 internet service market is. Areas in green have more alternatives, areas in yellow have a few choices, and areas in red may have only one provider. More competition usually means faster speeds and better prices for you, the customer.
Below are quick facts on internet competition and market health in 03870 based on what connections the average home has availabile:
- Average number of internet service providers to a home: 4.9 (unhealthy)
- Average types of service (fiber, cable, DSL, etc): 3.6 (very healthy)
- Average providers with broadband (25 Mbps+) speeds: 4.3 (unhealthy)
Overall, competition is healthy.
03870 internet customers have the ability to buy internet service from 2 to 7 different providers, depending on where they live. For different types of service, 03870 homes have between 2 and 4 options. The type(s) of service available are cable, fiber, fixed wireless, and dsl, though these may vary depending on the region within the zip.
When it comes to broadband download speeds faster than 25 Mbps, the situation is worse. 03870 internet customers who want faster speeds have between 2 and 6 choices of companies offering speeds up to or over 25 Mbps.
More internet companies with faster speeds means fewer monopolies and better prices for customers. In promoting a free market for internet, 03870 is doing better than most.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in 03870, along with details on where in 03870 and at what speeds.
XFINITY from Comcast Cable in 03870, NH
XFINITY cable coverage
About 100.00%, or 5,519 people, have XFINITY cable internet available to them in the zip. The company covers the entire 03870 area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in every corner of 03870.
XFINITY from Comcast cable download speeds
XFINITY is the fastest when comparing download speeds to all other internet providers in 03870. Versus other cable providers in the area, XFINITY cable is the fastest. There are no different maximum speeds throughout 03870. The fastest plan anyone in 03870 can order from XFINITY goes up to 2,000 Mbps, and all 03870 customers can get this speed.
Show all download speeds
- 100.0% up to 2,000.0 Mbps
XFINITY from Comcast cable upload speeds
In 03870 download speeds tend to be faster than than upload speeds for XFINITY cable. Compared to other ISPs, XFINITY is below average where upload speeds are concerned, and the fastest compared to other 03870 cable providers. XFINITY offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 03870 is up to 250 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 250.0 Mbps
Fidium Fiber Fiber in 03870, NH
Fidium fiber coverage
About 99.91%, or 5,514 people, have Fidium fiber internet available to them in the zip. The company covers the entire 03870 area. Fidium is one of the largest internet service providers internet service providers in the US, with internet service available in most of 03870.
Fidium Fiber fiber download speeds
Fidium is above average when comparing download speeds to all other internet providers in 03870. Versus other fiber providers in the area, Fidium fiber is the fastest. There are 2 different maximum speeds throughout 03870. The fastest plan anyone in 03870 can order from Fidium goes up to 2,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the zip-wide average maximum speed for 03870 customers is up to 1,713 Mbps.
Show all download speeds
- 71.3% up to 2,000.0 Mbps
- 28.7% up to 1,000.0 Mbps
Fidium Fiber fiber upload speeds
In 03870 download speeds tend to be equal to than upload speeds for Fidium fiber. Compared to other ISPs, Fidium is the fastest where upload speeds are concerned, and the fastest compared to other 03870 fiber providers. Fidium offers 2 different upload speeds across the zip, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in 03870 is up to 2,000 Mbps. Some customers have slower plan choices, which only go up to 1,000 Mbps. On average, Fidium customers can get speeds up to 1,713 Mbps.
Show all upload speeds
- 71.3% up to 2,000.0 Mbps
- 28.7% up to 1,000.0 Mbps
Fidium Fiber DSL in 03870, NH
Fidium DSL coverage
About 57.62%, or 3,180 people, have Fidium DSL internet available to them in the zip. The company covers the entire 03870 area. Fidium is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of 03870.
Fidium Fiber DSL download speeds
Fidium is the slowest when comparing download speeds to all other internet providers in 03870. Versus other DSL providers in the area, Fidium DSL is the fastest. There are 2 different maximum speeds throughout 03870. The fastest plan anyone in 03870 can order from Fidium goes up to 60 Mbps, the slowest package only goes up to 10 Mbps, and the zip-wide average maximum speed for 03870 customers is up to 11 Mbps.
Show all download speeds
- 1.5% up to 60.0 Mbps
- 98.5% up to 10.0 Mbps
Fidium Fiber DSL upload speeds
In 03870 download speeds tend to be faster than than upload speeds for Fidium DSL. Compared to other ISPs, Fidium is the slowest where upload speeds are concerned, and the fastest compared to other 03870 DSL providers. Fidium offers 2 different upload speeds across the zip, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in 03870 is up to 10 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Fidium customers can get speeds up to 1.1 Mbps.
Show all upload speeds
- 1.5% up to 10.0 Mbps
- 98.5% up to 1.0 Mbps
T-Mobile Home Internet Fixed Wireless in 03870, NH
T-Mobile Home Internet fixed wireless coverage
About 93.42%, or 5,156 people, have T-Mobile Home Internet fixed wireless internet available to them in the zip. The company covers the entire 03870 area. T-Mobile Home Internet is one of the largest internet service providers internet service providers in the US, with internet service available in most of 03870.
T-Mobile Home Internet fixed wireless download speeds
T-Mobile Home Internet is below average when comparing download speeds to all other internet providers in 03870. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is below average. There are 2 different maximum speeds throughout 03870. The fastest plan anyone in 03870 can order from T-Mobile Home Internet goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the zip-wide average maximum speed for 03870 customers is up to 67 Mbps.
Show all download speeds
- 55.8% up to 100.0 Mbps
- 44.2% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In 03870 download speeds tend to be faster than than upload speeds for T-Mobile Home Internet fixed wireless. Compared to other ISPs, T-Mobile Home Internet is below average where upload speeds are concerned, and above average compared to other 03870 fixed wireless providers. T-Mobile Home Internet offers 2 different upload speeds across the zip, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in 03870 is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, T-Mobile Home Internet customers can get speeds up to 12 Mbps.
Show all upload speeds
- 55.8% up to 20.0 Mbps
- 44.2% up to 3.0 Mbps
EarthLink Fixed Wireless in 03870, NH
EarthLink fixed wireless coverage
About 69.41%, or 3,831 people, have EarthLink fixed wireless internet available to them in the zip. The company covers the entire 03870 area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in much of 03870.
EarthLink fixed wireless download speeds
EarthLink is below average when comparing download speeds to all other internet providers in 03870. Versus other fixed wireless providers in the area, EarthLink fixed wireless is one of the slowest. There are 2 different maximum speeds throughout 03870. The fastest plan anyone in 03870 can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the zip-wide average maximum speed for 03870 customers is up to 32 Mbps.
Show all download speeds
- 9.0% up to 100.0 Mbps
- 91.0% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In 03870 download speeds tend to be faster than than upload speeds for EarthLink fixed wireless. Compared to other ISPs, EarthLink is below average where upload speeds are concerned, and one of the slowest compared to other 03870 fixed wireless providers. EarthLink offers 2 different upload speeds across the zip, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in 03870 is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, EarthLink customers can get speeds up to 4.5 Mbps.
Show all upload speeds
- 9.0% up to 20.0 Mbps
- 91.0% up to 3.0 Mbps
AT&T Fixed Wireless in 03870, NH
AT&T fixed wireless coverage
About 69.41%, or 3,831 people, have AT&T fixed wireless internet available to them in the zip. The company covers the entire 03870 area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in much of 03870.
AT&T fixed wireless download speeds
AT&T is below average when comparing download speeds to all other internet providers in 03870. Versus other fixed wireless providers in the area, AT&T fixed wireless is one of the slowest. There are 2 different maximum speeds throughout 03870. The fastest plan anyone in 03870 can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the zip-wide average maximum speed for 03870 customers is up to 32 Mbps.
Show all download speeds
- 9.0% up to 100.0 Mbps
- 91.0% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In 03870 download speeds tend to be faster than than upload speeds for AT&T fixed wireless. Compared to other ISPs, AT&T is below average where upload speeds are concerned, and one of the slowest compared to other 03870 fixed wireless providers. AT&T offers 2 different upload speeds across the zip, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in 03870 is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, AT&T customers can get speeds up to 4.5 Mbps.
Show all upload speeds
- 9.0% up to 20.0 Mbps
- 91.0% up to 3.0 Mbps
Verizon Fixed Wireless in 03870, NH
Verizon fixed wireless coverage
About 1.67%, or 92 people, have Verizon fixed wireless internet available to them in the zip. The company covers the west 03870 area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of 03870.
Verizon fixed wireless download speeds
Verizon is below average when comparing download speeds to all other internet providers in 03870. Versus other fixed wireless providers in the area, Verizon fixed wireless is the fastest. There are no different maximum speeds throughout 03870. The fastest plan anyone in 03870 can order from Verizon goes up to 300 Mbps, and all 03870 customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In 03870 download speeds tend to be faster than than upload speeds for Verizon fixed wireless. Compared to other ISPs, Verizon is below average where upload speeds are concerned, and the fastest compared to other 03870 fixed wireless providers. Verizon offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 03870 is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
03870 Internet by Area
This information is most helpful to those looking for homes or considering moving to 03870 or any of the areas nearby.
How does internet in 03870 compare to the rest of New Hampshire?
Internet speeds in 03870 are comparable versus the average speeds in New Hampshire: 1,970 Mbps in New Hampshire versus 2,000 Mbps in the zip. The state has similar internet availability compared to the zip. Average internet coverage in New Hampshire is 98.83% versus 100.00% in 03870.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around 03870 are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does internet service look like in other zip codes?
Below are zip codes nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Zip Codes
- 03871, NH: equal internet coverage, similar speeds
- 03801, NH: less internet coverage, slower speeds
- 03862, NH: less internet coverage, similar speeds
- 03854, NH: equal internet coverage, similar speeds
- 03840, NH: equal internet coverage, similar speeds
- 03842, NH: equal internet coverage, slower speeds
- 03904, ME: less internet coverage, slower speeds
- 03905, ME: less internet coverage, slower speeds
- 03885, NH: less internet coverage, similar speeds
- 03844, NH: less internet coverage, slower speeds
Zip Codes with Similar Populations
- 08853, NJ: equal internet coverage, slower speeds
- 97444, OR: less internet coverage, faster speeds
- 48133, MI: less internet coverage, slower speeds
- 86025, AZ: less internet coverage, slower speeds
- 44272, OH: equal internet coverage, slower speeds
- 31569, GA: less internet coverage, slower speeds
- 55319, MN: less internet coverage, faster speeds
- 50659, IA: less internet coverage, slower speeds
- 02568, MA: less internet coverage, slower speeds
- 35442, AL: less internet coverage, faster speeds