In Castleton there are 3 residential Fiber providers covering 78.10% of the neighborhood. The average home can get speeds up to 4,954 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 Castleton, Indianapolis, IN.
To see availability maps for all providers including fiber, cable, DSL, and more in Castleton, Indianapolis, IN please click below.
Castleton, Indianapolis, IN Availability Maps
Fiber Internet Service Providers in Castleton
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 Castleton are not shown.
Castleton 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 Castleton is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 78.10% of Castleton. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is AT&T. Call one of the companies with service in Castleton above to see who has service at your home.
How fast is fiber internet in Castleton?
The map below shows maximum fiber internet speeds by area in Castleton.
Fiber Internet Speed Key
The average Castleton home can get up to 4,954 Mbps on their fiber internet plan. The fastest fiber download speed in the neighborhood is 5,120 Mbps, which 39.66% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 2.08% of homes can only purchase plans up to 1,000 Mbps. See the internet provider details below for info about their speed and coverage in Castleton.
Fiber internet speeds tend to be faster in the north parts of Castleton, and slower in the central areas of the neighborhood.
Is fiber the fastest internet I can get in Castleton?
The fastest internet for you may vary based on where in Castleton you live. In general, cable competes most often with fiber in the neighborhood.
- Fiber is the fastest internet type for 76.02% of Castleton homes.
- Cable is fastest for 23.98% of the neighborhood.
- 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 Castleton homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Castleton, along with details on where in Castleton and at what speeds.
EarthLink Fiber in Castleton, Indianapolis, IN
EarthLink fiber coverage
About 76.94%, or 2,842 people, have EarthLink fiber internet available to them in the neighborhood. The company covers the entire Castleton area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in much of Castleton.
EarthLink fiber download speeds
EarthLink is above average when comparing download speeds to all other internet providers in Castleton. Versus other fiber providers in the area, EarthLink fiber is one of the slowest. There are 2 different maximum speeds throughout Castleton. The fastest plan anyone in Castleton can order from EarthLink goes up to 5,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the neighborhood-wide average maximum speed for Castleton customers is up to 4,521 Mbps.
Show all download speeds
- 88.0% up to 5,000.0 Mbps
- 12.0% up to 1,000.0 Mbps
EarthLink fiber upload speeds
In Castleton download speeds tend to be equal to than upload speeds for EarthLink fiber. Compared to other ISPs, EarthLink is above average where upload speeds are concerned, and one of the slowest compared to other Castleton fiber providers. EarthLink offers 2 different upload speeds across the neighborhood, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Castleton is up to 5,000 Mbps. Some customers have slower plan choices, which only go up to 1,000 Mbps. On average, EarthLink customers can get speeds up to 4,521 Mbps.
Show all upload speeds
- 88.0% up to 5,000.0 Mbps
- 12.0% up to 1,000.0 Mbps
AT&T Fiber in Castleton, Indianapolis, IN
AT&T fiber coverage
About 76.94%, or 2,842 people, have AT&T fiber internet available to them in the neighborhood. The company covers the entire Castleton area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in much of Castleton.
AT&T fiber download speeds
AT&T is above average when comparing download speeds to all other internet providers in Castleton. Versus other fiber providers in the area, AT&T fiber is one of the slowest. There are 2 different maximum speeds throughout Castleton. The fastest plan anyone in Castleton can order from AT&T goes up to 5,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the neighborhood-wide average maximum speed for Castleton customers is up to 4,521 Mbps.
Show all download speeds
- 88.0% up to 5,000.0 Mbps
- 12.0% up to 1,000.0 Mbps
AT&T fiber upload speeds
In Castleton download speeds tend to be equal to than upload speeds for AT&T fiber. Compared to other ISPs, AT&T is above average where upload speeds are concerned, and one of the slowest compared to other Castleton fiber providers. AT&T offers 2 different upload speeds across the neighborhood, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Castleton is up to 5,000 Mbps. Some customers have slower plan choices, which only go up to 1,000 Mbps. On average, AT&T customers can get speeds up to 4,521 Mbps.
Show all upload speeds
- 88.0% up to 5,000.0 Mbps
- 12.0% up to 1,000.0 Mbps
MetroNet Fiber in Castleton, Indianapolis, IN
MetroNet fiber coverage
About 39.66%, or 1,465 people, have MetroNet fiber internet available to them in the neighborhood. The company covers the north, northeast, east, south, central, and southwest Castleton area. MetroNet is one of the largest internet service providers internet service providers in the US, with internet service available in some of Castleton.
MetroNet fiber download speeds
MetroNet is the fastest when comparing download speeds to all other internet providers in Castleton. Versus other fiber providers in the area, MetroNet fiber is the fastest. There are no different maximum speeds throughout Castleton. The fastest plan anyone in Castleton can order from MetroNet goes up to 5,120 Mbps, and all Castleton customers can get this speed.
Show all download speeds
- 100.0% up to 5,120.0 Mbps
MetroNet fiber upload speeds
In Castleton download speeds tend to be equal to than upload speeds for MetroNet fiber. Compared to other ISPs, MetroNet is the fastest where upload speeds are concerned, and the fastest compared to other Castleton fiber providers. MetroNet offers no different upload speeds across the neighborhood. The fastest upload speed available to anyone from this ISP in Castleton is up to 5,120 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 5,120.0 Mbps
Castleton Fiber by Area
This information is most helpful to those looking for homes or considering moving to Castleton or any of the areas nearby.
How does fiber internet in Castleton compare to the rest of Indianapolis?
Fiber internet speeds in Castleton are much faster versus the average speeds in Indianapolis: 0.00 Mbps in Indianapolis versus 4,954 Mbps in the neighborhood. The city has similar fiber availability compared to the neighborhood. Average fiber coverage in Indianapolis is 0.00% versus 78.10% in Castleton.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Castleton 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 neighborhoods?
Below are neighborhoods nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Neighborhoods
- Hearth Stone, Indianapolis, IN: more fiber coverage, faster speeds
- Nora, Indianapolis, IN: less fiber coverage, faster speeds
- Broad Ripple, Indianapolis, IN: more fiber coverage, slower speeds
- Geist, Indianapolis, IN: more fiber coverage, faster speeds
- Devington, Indianapolis, IN: more fiber coverage, faster speeds
- North Willow Farms, Indianapolis, IN: more fiber coverage, faster speeds
- Meridian-Kessler, Indianapolis, IN: more fiber coverage, slower speeds
- Westchester Estates, Indianapolis, IN: less fiber coverage, faster speeds
- Mapleton-Fall Creek, Indianapolis, IN: less fiber coverage, slower speeds
- Martindale-Brightwood, Indianapolis, IN: less fiber coverage, slower speeds
Neighborhoods with Similar Populations
- Santa Clara Heights, Santa Clara, UT: more fiber coverage, faster speeds
- Nearnorthwest, South Bend, IN: less fiber coverage, slower speeds
- Apple Valley, Birmingham, AL: less fiber coverage, faster speeds
- Capitol Hill, Oklahoma City, OK: less fiber coverage, faster speeds
- Lykins, Kansas City, MO: more fiber coverage, faster speeds
- Aspen, Davis, CA: less fiber coverage, slower speeds
- Woodcrest, Coon Rapids, MN: less fiber coverage, slower speeds
- Meadow Park, Rochester, MN: more fiber coverage, faster speeds
- Barrio Campanilla, Toa Baja, PR: less fiber coverage, slower speeds
- Parkmont, Fremont, CA: less fiber coverage, slower speeds