In Castleton there are 8 residential internet providers covering 100.00% of the neighborhood. The average home can get speeds up to 4,306 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.
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8 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
Availability maps for all providers in Castleton
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.
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Internet service is available in 100.00% of Castleton. 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 AT&T. Now you can call companies in Castleton with more confidence that they might be available.
How fast are internet speeds in Castleton?
The map below shows maximum internet speeds by area in Castleton.
Internet Speed Key
The average Castleton home can get up to 4,306 Mbps on their internet plan. For most people, the fastest 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, 2.76% of homes can only purchase plans up to 1,200 Mbps. See the internet provider details below for info about their speed and coverage in Castleton.
Internet speeds tend to be faster in the south parts of Castleton, and slower in the northeast areas of the neighborhood.
What type of internet should I choose in Castleton?
The fastest internet for you may vary based on where in Castleton you live. If speed is your main concern, fiber will be the fastest internet 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.
Internet Market Health in Castleton
Internet Competition Key
The map shows how competitive the Castleton 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 Castleton based on what connections the average home has availabile:
- Average number of internet service providers to a home: 8.5 (very healthy)
- Average types of service (fiber, cable, DSL, etc): 3.7 (healthy)
- Average providers with broadband (25 Mbps+) speeds: 8.5 (very healthy)
Overall, competition is very healthy.
Castleton internet customers have the ability to buy internet service from 5 to 10 different providers, depending on where they live. For different types of service, Castleton homes have between 3 and 4 options. The type(s) of service available are fixed wireless, cable, dsl, and fiber, though these may vary depending on the region within the neighborhood.
When it comes to broadband download speeds faster than 25 Mbps, the situation is similar. Castleton internet customers who want faster speeds have between 5 and 10 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, Castleton is doing quite well.
TV & Internet 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.
XFINITY from Comcast Cable in Castleton, Indianapolis, IN
XFINITY cable coverage
About 100.00%, or 3,694 people, have XFINITY cable internet available to them in the neighborhood. The company covers the entire Castleton area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in every corner of Castleton.
XFINITY from Comcast cable download speeds
XFINITY is above average when comparing download speeds to all other internet providers in Castleton. Versus other cable providers in the area, XFINITY cable is the fastest. There are 2 different maximum speeds throughout Castleton. The fastest plan anyone in Castleton can order from XFINITY goes up to 2,000 Mbps, the slowest package only goes up to 1,200 Mbps, and the neighborhood-wide average maximum speed for Castleton customers is up to 1,978 Mbps.
Show all download speeds
- 97.2% up to 2,000.0 Mbps
- 2.8% up to 1,200.0 Mbps
XFINITY from Comcast cable upload speeds
In Castleton 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 Castleton cable providers. XFINITY 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 250 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, XFINITY customers can get speeds up to 244 Mbps.
Show all upload speeds
- 97.2% up to 250.0 Mbps
- 2.8% up to 35.0 Mbps
EarthLink DSL in Castleton, Indianapolis, IN
EarthLink DSL coverage
About 89.01%, or 3,288 people, have EarthLink DSL 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 most of Castleton.
EarthLink DSL download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Castleton. Versus other DSL providers in the area, EarthLink DSL is one of the fastest. There are 4 different maximum speeds throughout Castleton. The fastest plan anyone in Castleton can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the neighborhood-wide average maximum speed for Castleton customers is up to 96 Mbps.
Show all download speeds
- 88.1% up to 100.0 Mbps
- 8.0% up to 75.0 Mbps
- 2.6% up to 50.0 Mbps
- 1.3% up to 25.0 Mbps
EarthLink DSL upload speeds
In Castleton download speeds tend to be faster than than upload speeds for EarthLink DSL. Compared to other ISPs, EarthLink is below average where upload speeds are concerned, and one of the fastest compared to other Castleton DSL providers. EarthLink offers 3 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 20 Mbps. Some customers have slower plan choices, which only go up to 5.0 Mbps. On average, EarthLink customers can get speeds up to 20 Mbps.
Show all upload speeds
- 96.1% up to 20.0 Mbps
- 2.6% up to 10.0 Mbps
- 1.3% up to 5.0 Mbps
AT&T DSL in Castleton, Indianapolis, IN
AT&T DSL coverage
About 89.01%, or 3,288 people, have AT&T DSL 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 most of Castleton.
AT&T DSL download speeds
AT&T is below average when comparing download speeds to all other internet providers in Castleton. Versus other DSL providers in the area, AT&T DSL is one of the fastest. There are 4 different maximum speeds throughout Castleton. The fastest plan anyone in Castleton can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the neighborhood-wide average maximum speed for Castleton customers is up to 96 Mbps.
Show all download speeds
- 88.1% up to 100.0 Mbps
- 8.0% up to 75.0 Mbps
- 2.6% up to 50.0 Mbps
- 1.3% up to 25.0 Mbps
AT&T DSL upload speeds
In Castleton download speeds tend to be faster than than upload speeds for AT&T DSL. Compared to other ISPs, AT&T is below average where upload speeds are concerned, and one of the fastest compared to other Castleton DSL providers. AT&T offers 3 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 20 Mbps. Some customers have slower plan choices, which only go up to 5.0 Mbps. On average, AT&T customers can get speeds up to 20 Mbps.
Show all upload speeds
- 96.1% up to 20.0 Mbps
- 2.6% up to 10.0 Mbps
- 1.3% up to 5.0 Mbps
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
T-Mobile Home Internet Fixed Wireless in Castleton, Indianapolis, IN
T-Mobile Home Internet fixed wireless coverage
About 100.00%, or 3,694 people, have T-Mobile Home Internet fixed wireless internet available to them in the neighborhood. The company covers the entire Castleton area. T-Mobile Home Internet is one of the largest internet service providers internet service providers in the US, with internet service available in every corner of Castleton.
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 Castleton. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is below average. There are 2 different maximum speeds throughout Castleton. The fastest plan anyone in Castleton can order from T-Mobile Home Internet goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the neighborhood-wide average maximum speed for Castleton customers is up to 69 Mbps.
Show all download speeds
- 59.1% up to 100.0 Mbps
- 40.9% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Castleton 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 below average compared to other Castleton fixed wireless providers. T-Mobile Home Internet 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 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 13 Mbps.
Show all upload speeds
- 59.1% up to 20.0 Mbps
- 40.9% up to 3.0 Mbps
Verizon Fixed Wireless in Castleton, Indianapolis, IN
Verizon fixed wireless coverage
About 97.16%, or 3,589 people, have Verizon fixed wireless internet available to them in the neighborhood. The company covers the entire Castleton area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in most of Castleton.
Verizon fixed wireless download speeds
Verizon is below average when comparing download speeds to all other internet providers in Castleton. Versus other fixed wireless providers in the area, Verizon fixed wireless is the fastest. There are 2 different maximum speeds throughout Castleton. The fastest plan anyone in Castleton can order from Verizon goes up to 1,000 Mbps, the slowest package only goes up to 300 Mbps, and the neighborhood-wide average maximum speed for Castleton customers is up to 918 Mbps.
Show all download speeds
- 88.3% up to 1,000.0 Mbps
- 11.7% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In Castleton 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 Castleton fixed wireless providers. Verizon 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 75 Mbps. Some customers have slower plan choices, which only go up to 20 Mbps. On average, Verizon customers can get speeds up to 69 Mbps.
Show all upload speeds
- 88.3% up to 75.0 Mbps
- 11.7% up to 20.0 Mbps
EarthLink Fixed Wireless in Castleton, Indianapolis, IN
EarthLink fixed wireless coverage
About 92.66%, or 3,423 people, have EarthLink fixed wireless 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 most of Castleton.
EarthLink fixed wireless download speeds
EarthLink is one of the slowest when comparing download speeds to all other internet providers in Castleton. Versus other fixed wireless providers in the area, EarthLink fixed wireless 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 100 Mbps, the slowest package only goes up to 25 Mbps, and the neighborhood-wide average maximum speed for Castleton customers is up to 53 Mbps.
Show all download speeds
- 37.2% up to 100.0 Mbps
- 62.8% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In Castleton download speeds tend to be faster than than upload speeds for EarthLink fixed wireless. Compared to other ISPs, EarthLink is one of the slowest where upload speeds are concerned, and one of the slowest compared to other Castleton fixed wireless 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 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 9.3 Mbps.
Show all upload speeds
- 37.2% up to 20.0 Mbps
- 62.8% up to 3.0 Mbps
AT&T Fixed Wireless in Castleton, Indianapolis, IN
AT&T fixed wireless coverage
About 92.66%, or 3,423 people, have AT&T fixed wireless 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 most of Castleton.
AT&T fixed wireless download speeds
AT&T is one of the slowest when comparing download speeds to all other internet providers in Castleton. Versus other fixed wireless providers in the area, AT&T fixed wireless 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 100 Mbps, the slowest package only goes up to 25 Mbps, and the neighborhood-wide average maximum speed for Castleton customers is up to 53 Mbps.
Show all download speeds
- 37.2% up to 100.0 Mbps
- 62.8% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In Castleton download speeds tend to be faster than than upload speeds for AT&T fixed wireless. Compared to other ISPs, AT&T is one of the slowest where upload speeds are concerned, and one of the slowest compared to other Castleton fixed wireless 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 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 9.3 Mbps.
Show all upload speeds
- 37.2% up to 20.0 Mbps
- 62.8% up to 3.0 Mbps
Castleton Internet 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 internet in Castleton compare to the rest of Indianapolis?
Internet speeds in Castleton are faster versus the average speeds in Indianapolis: 4,159 Mbps in Indianapolis versus 4,306 Mbps in the neighborhood. The city has similar internet availability compared to the neighborhood. Average internet coverage in Indianapolis is 99.51% versus 100.00% in Castleton.
What zip codes have widespread internet?
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 internet service 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: equal internet coverage, faster speeds
- Nora, Indianapolis, IN: less internet coverage, slower speeds
- Broad Ripple, Indianapolis, IN: equal internet coverage, slower speeds
- Geist, Indianapolis, IN: equal internet coverage, faster speeds
- Devington, Indianapolis, IN: less internet coverage, faster speeds
- North Willow Farms, Indianapolis, IN: equal internet coverage, faster speeds
- Meridian-Kessler, Indianapolis, IN: equal internet coverage, faster speeds
- Westchester Estates, Indianapolis, IN: equal internet coverage, slower speeds
- Mapleton-Fall Creek, Indianapolis, IN: equal internet coverage, slower speeds
- Martindale-Brightwood, Indianapolis, IN: less internet coverage, slower speeds
Neighborhoods with Similar Populations
- Santa Clara Heights, Santa Clara, UT: equal internet coverage, faster speeds
- Nearnorthwest, South Bend, IN: less internet coverage, slower speeds
- Apple Valley, Birmingham, AL: less internet coverage, slower speeds
- Capitol Hill, Oklahoma City, OK: less internet coverage, slower speeds
- Lykins, Kansas City, MO: less internet coverage, faster speeds
- Aspen, Davis, CA: equal internet coverage, slower speeds
- Woodcrest, Coon Rapids, MN: equal internet coverage, slower speeds
- Meadow Park, Rochester, MN: equal internet coverage, faster speeds
- Barrio Campanilla, Toa Baja, PR: equal internet coverage, slower speeds
- Parkmont, Fremont, CA: less internet coverage, slower speeds