In Grantham there are 2 residential Fiber providers covering 23.10% of the city. The average home can get speeds up to 940 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.
This page contains all Fiber internet providers in Grantham, PA.
To see availability maps for all providers including fiber, cable, DSL, and more in Grantham, PA please click below.
Grantham, PA Availability Maps
Fiber Internet Service Providers in Grantham
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 Grantham are not shown.
Grantham 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
Where in Grantham is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 23.10% of Grantham. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is Earthlink. Call one of the companies with service in Grantham above to see who has service at your home.
How fast is fiber internet in Grantham?
The map below shows maximum fiber internet speeds by area in Grantham.
Fiber Internet Speed Key
The average Grantham home can get up to 940 Mbps on their fiber internet plan. The fastest fiber download speed in the city is 940 Mbps, which 23.10% of residents can get.
Is fiber the fastest internet I can get in Grantham?
The fastest internet for you may vary based on where in Grantham you live. In general, cable competes most often with fiber in the city.
- Fiber is the fastest internet type for less than 1% of Grantham homes.
- Cable is fastest for 52.88% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for less than 1%.
- Satellite internet may be the only option for 46.74% of Grantham homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Grantham, along with details on where in Grantham and at what speeds.
EarthLink Fiber in Grantham, PA
EarthLink fiber coverage
About 23.10%, or 849 people, have EarthLink fiber internet available to them in the city. The company covers the entire Grantham area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Grantham.
EarthLink fiber download speeds
EarthLink is above average when comparing download speeds to all other internet providers in Grantham. Versus other fiber providers in the area, EarthLink fiber is one of the fastest. There are no different maximum speeds throughout Grantham. The fastest plan anyone in Grantham can order from EarthLink goes up to 940 Mbps, and all Grantham customers can get this speed.
Show all download speeds
- 100.0% up to 940.0 Mbps
EarthLink fiber upload speeds
In Grantham download speeds tend to be faster than than upload speeds for EarthLink fiber. Compared to other ISPs, EarthLink is one of the fastest where upload speeds are concerned, and one of the fastest compared to other Grantham fiber providers. EarthLink offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Grantham is up to 880 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 880.0 Mbps
Verizon Fiber in Grantham, PA
Verizon fiber coverage
About 23.10%, or 849 people, have Verizon fiber internet available to them in the city. The company covers the entire Grantham area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Grantham.
Verizon fiber download speeds
Verizon is above average when comparing download speeds to all other internet providers in Grantham. Versus other fiber providers in the area, Verizon fiber is one of the fastest. There are no different maximum speeds throughout Grantham. The fastest plan anyone in Grantham can order from Verizon goes up to 940 Mbps, and all Grantham customers can get this speed.
Show all download speeds
- 100.0% up to 940.0 Mbps
Verizon fiber upload speeds
In Grantham download speeds tend to be faster than than upload speeds for Verizon fiber. Compared to other ISPs, Verizon is one of the fastest where upload speeds are concerned, and one of the fastest compared to other Grantham fiber providers. Verizon offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Grantham is up to 880 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 880.0 Mbps
Grantham Fiber by Area
This information is most helpful to those looking for homes or considering moving to Grantham or any of the areas nearby.
How does fiber internet in Grantham compare to the rest of Pennsylvania?
Fiber internet speeds in Grantham are much faster versus the average speeds in Pennsylvania: 0.00 Mbps in Pennsylvania versus 940 Mbps in the city. The state has similar fiber availability compared to the city. Average fiber coverage in Pennsylvania is 0.00% versus 23.10% in Grantham.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Grantham are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does fiber internet look like in other cities?
Below are cities nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Cities
- Dillsburg, PA: more fiber coverage, faster speeds
- Mechanicsburg, PA: more fiber coverage, faster speeds
- Shiremanstown, PA: more fiber coverage, similar speeds
- Fortney, PA: more fiber coverage, faster speeds
- Franklintown, PA: more fiber coverage, similar speeds
- Lewisberry, PA: more fiber coverage, faster speeds
- Camp Hill, PA: more fiber coverage, faster speeds
- Lower Allen, PA: more fiber coverage, similar speeds
- Boiling Springs, PA: more fiber coverage, faster speeds
- New Kingstown, PA: more fiber coverage, faster speeds
Cities with Similar Populations
- Swanzey, NH: more fiber coverage, faster speeds
- Shark River Hills, NJ: more fiber coverage, faster speeds
- Sterlington, LA: more fiber coverage, faster speeds
- Stigler, OK: more fiber coverage, faster speeds
- Shady Cove, OR: more fiber coverage, faster speeds
- Shavano Park, TX: more fiber coverage, faster speeds
- St. Bernard, OH: more fiber coverage, faster speeds
- Starr, SC: more fiber coverage, faster speeds
- Snow Hill, MD: more fiber coverage, faster speeds
- Tappahannock, VA: less fiber coverage, faster speeds