In Delphi there are 2 residential DSL providers covering 49.04% of the city. The average home can get speeds up to 10 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 Delphi, OH.
To see availability maps for all providers including fiber, cable, DSL, and more in Delphi, OH please click below.
DSL Internet Service Providers in Delphi
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 Delphi are not shown.
Delphi 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 Delphi is DSL internet available?
DSL Internet Availability Key
DSL is available in 49.04% of Delphi. Areas in green have DSL internet service, where areas in yellow or red may not. The most widely available provider is Frontier. Call one of the companies with service in Delphi above to see who has service at your home.
How fast is DSL internet in Delphi?
The map below shows maximum DSL internet speeds by area in Delphi.
DSL Internet Speed Key
The average Delphi home can get up to 10 Mbps on their DSL internet plan. The fastest DSL download speed in the city is 10 Mbps, which 49.04% of residents can get.
Is DSL the fastest internet I can get in Delphi?
The fastest internet for you may vary based on where in Delphi you live. In general, cable competes most often with DSL in the city.
- Fiber is the fastest internet type for 14.26% of Delphi homes.
- Cable is fastest for 50.48% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 35.26%.
- Satellite internet may be the only option for less than 1% of Delphi homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Delphi, along with details on where in Delphi and at what speeds.
Frontier Communications DSL in Delphi, OH
Frontier DSL coverage
About 36.70%, or 229 people, have Frontier DSL internet available to them in the city. The company covers the west, southwest, central, and north Delphi area. Frontier is one of the largest internet service providers internet service providers in the US, with internet service available in some of Delphi.
Frontier Communications DSL download speeds
Frontier is one of the slowest when comparing download speeds to all other internet providers in Delphi. Versus other DSL providers in the area, Frontier DSL is one of the fastest. There are no different maximum speeds throughout Delphi. The fastest plan anyone in Delphi can order from Frontier goes up to 10 Mbps, and all Delphi customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
Frontier Communications DSL upload speeds
In Delphi download speeds tend to be faster than than upload speeds for Frontier DSL. Compared to other ISPs, Frontier is one of the slowest where upload speeds are concerned, and one of the fastest compared to other Delphi DSL providers. Frontier offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Delphi is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
Brightspeed DSL in Delphi, OH
Brightspeed DSL coverage
About 20.67%, or 129 people, have Brightspeed DSL internet available to them in the city. The company covers the south, southwest, and southeast Delphi area. Brightspeed is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Delphi.
Brightspeed DSL download speeds
Brightspeed is one of the slowest when comparing download speeds to all other internet providers in Delphi. Versus other DSL providers in the area, Brightspeed DSL is one of the fastest. There are no different maximum speeds throughout Delphi. The fastest plan anyone in Delphi can order from Brightspeed goes up to 10 Mbps, and all Delphi customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
Brightspeed DSL upload speeds
In Delphi download speeds tend to be faster than than upload speeds for Brightspeed DSL. Compared to other ISPs, Brightspeed is one of the slowest where upload speeds are concerned, and one of the fastest compared to other Delphi DSL providers. Brightspeed offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Delphi is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
Delphi DSL by Area
This information is most helpful to those looking for homes or considering moving to Delphi or any of the areas nearby.
How does DSL internet in Delphi compare to the rest of Ohio?
DSL internet speeds in Delphi are much faster versus the average speeds in Ohio: 0.00 Mbps in Ohio versus 10 Mbps in the city. The state has similar DSL availability compared to the city. Average DSL coverage in Ohio is 0.00% versus 49.04% in Delphi.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Delphi 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
- Plymouth, OH: more DSL coverage, faster speeds
- New Haven, OH: less DSL coverage, similar speeds
- Greenwich, OH: more DSL coverage, faster speeds
- North Fairfield, OH: more DSL coverage, faster speeds
- Shiloh, OH: more DSL coverage, faster speeds
- Shenandoah, OH: more DSL coverage, faster speeds
- Willard, OH: more DSL coverage, faster speeds
- Celeryville, OH: more DSL coverage, similar speeds
- Ganges, OH: more DSL coverage, faster speeds
- Centerton, OH: less DSL coverage, similar speeds
Cities with Similar Populations
- Ewing, IL: less DSL coverage, similar speeds
- Ewing, NE: more DSL coverage, similar speeds
- Fannettsburg, PA: more DSL coverage, faster speeds
- Farber, MO: less DSL coverage, faster speeds
- Farmington, GA: more DSL coverage, faster speeds
- Waltz, KY: more DSL coverage, faster speeds
- Walsh, WI: more DSL coverage, faster speeds
- Foster, OR: more DSL coverage, faster speeds
- Vertrees, KY: more DSL coverage, faster speeds
- Glenfield, NC: more DSL coverage, faster speeds