In New Castle there are 2 residential DSL providers covering 77.84% of the city. The average home can get speeds up to 50 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 DSL internet providers in New Castle, IN.
To see availability maps for all providers including fiber, cable, DSL, and more in New Castle, IN please click below.
New Castle, IN Availability Maps
DSL Internet Service Providers in New Castle
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 New Castle are not shown.
New Castle 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 New Castle is DSL internet available?
DSL Internet Availability Key
DSL is available in 77.84% of New Castle. Areas in green have DSL 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 New Castle above to see who has service at your home.
How fast is DSL internet in New Castle?
The map below shows maximum DSL internet speeds by area in New Castle.
DSL Internet Speed Key
The average New Castle home can get up to 50 Mbps on their DSL internet plan. The fastest DSL download speed in the city is 100 Mbps, which 21.01% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 21.58% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in New Castle.
DSL internet speeds tend to be faster in the southeast parts of New Castle, and slower in the north areas of the city.
Is DSL the fastest internet I can get in New Castle?
The fastest internet for you may vary based on where in New Castle you live. In general, fiber competes most often with DSL in the city.
- Fiber is the fastest internet type for 81.03% of New Castle homes.
- Cable is fastest for 6.33% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 12.57%.
- Satellite internet may be the only option for less than 1% of New Castle homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in New Castle, along with details on where in New Castle and at what speeds.
AT&T DSL in New Castle, IN
AT&T DSL coverage
About 77.30%, or 20,300 people, have AT&T DSL internet available to them in the city. The company covers the entire New Castle area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in much of New Castle.
AT&T DSL download speeds
AT&T is below average when comparing download speeds to all other internet providers in New Castle. Versus other DSL providers in the area, AT&T DSL is one of the fastest. There are 5 different maximum speeds throughout New Castle. The fastest plan anyone in New Castle can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for New Castle customers is up to 50 Mbps.
Show all download speeds
- 27.2% up to 100.0 Mbps
- 9.0% up to 75.0 Mbps
- 16.7% up to 50.0 Mbps
- 19.8% up to 25.0 Mbps
- 27.2% up to 10.0 Mbps
AT&T DSL upload speeds
In New Castle 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 New Castle DSL providers. AT&T offers 4 different upload speeds across the city, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in New Castle is up to 20 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, AT&T customers can get speeds up to 10 Mbps.
Show all upload speeds
- 36.2% up to 20.0 Mbps
- 16.7% up to 10.0 Mbps
- 19.8% up to 5.0 Mbps
- 27.2% up to 1.0 Mbps
EarthLink DSL in New Castle, IN
EarthLink DSL coverage
About 77.30%, or 20,300 people, have EarthLink DSL internet available to them in the city. The company covers the entire New Castle area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in much of New Castle.
EarthLink DSL download speeds
EarthLink is below average when comparing download speeds to all other internet providers in New Castle. Versus other DSL providers in the area, EarthLink DSL is one of the fastest. There are 5 different maximum speeds throughout New Castle. The fastest plan anyone in New Castle can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for New Castle customers is up to 50 Mbps.
Show all download speeds
- 27.2% up to 100.0 Mbps
- 9.0% up to 75.0 Mbps
- 16.7% up to 50.0 Mbps
- 19.8% up to 25.0 Mbps
- 27.2% up to 10.0 Mbps
EarthLink DSL upload speeds
In New Castle 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 New Castle DSL providers. EarthLink offers 4 different upload speeds across the city, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in New Castle is up to 20 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, EarthLink customers can get speeds up to 10 Mbps.
Show all upload speeds
- 36.2% up to 20.0 Mbps
- 16.7% up to 10.0 Mbps
- 19.8% up to 5.0 Mbps
- 27.2% up to 1.0 Mbps
New Castle DSL by Area
This information is most helpful to those looking for homes or considering moving to New Castle or any of the areas nearby.
How does DSL internet in New Castle compare to the rest of Indiana?
DSL internet speeds in New Castle are much faster versus the average speeds in Indiana: 0.00 Mbps in Indiana versus 50 Mbps in the city. The state has similar DSL availability compared to the city. Average DSL coverage in Indiana is 0.00% versus 77.84% in New Castle.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around New Castle are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does DSL 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
- Westwood, IN: less DSL coverage, slower speeds
- Mount Summit, IN: less DSL coverage, faster speeds
- New Lisbon, IN: more DSL coverage, slower speeds
- Greensboro, IN: less DSL coverage, faster speeds
- Sulphur Springs, IN: less DSL coverage, faster speeds
- Cadiz, IN: less DSL coverage, slower speeds
- Spiceland, IN: less DSL coverage, slower speeds
- Lewisville, IN: less DSL coverage, slower speeds
- Mooreland, IN: less DSL coverage, slower speeds
- Springport, IN: less DSL coverage, slower speeds
Cities with Similar Populations
- East Chicago, IN: more DSL coverage, faster speeds
- Tahlequah, OK: less DSL coverage, slower speeds
- Springfield, PA: less DSL coverage, slower speeds
- Flowing Wells, AZ: more DSL coverage, slower speeds
- Ennis, TX: less DSL coverage, slower speeds
- Enfield, CT: less DSL coverage, slower speeds
- Emporia, KS: less DSL coverage, slower speeds
- El Macero, CA: more DSL coverage, faster speeds
- El Dorado, AR: less DSL coverage, slower speeds
- El Cerrito, CA: less DSL coverage, faster speeds