In Delmar there are 2 residential DSL providers covering 82.08% of the city. The average home can get speeds up to 94 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 Delmar, IA.
To see availability maps for all providers including fiber, cable, DSL, and more in Delmar, IA please click below.
DSL Internet Service Providers in Delmar
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 Delmar are not shown.
Delmar 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 Delmar is DSL internet available?
DSL Internet Availability Key
DSL is available in 82.08% of Delmar. Areas in green have DSL internet service, where areas in yellow or red may not. The most widely available provider is Windstream. Call one of the companies with service in Delmar above to see who has service at your home.
How fast is DSL internet in Delmar?
The map below shows maximum DSL internet speeds by area in Delmar.
DSL Internet Speed Key
The average Delmar home can get up to 94 Mbps on their DSL internet plan. The fastest DSL download speed in the city is 200 Mbps, which 21.36% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 16.21% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Delmar.
DSL internet speeds tend to be faster in the east parts of Delmar, and slower in the northwest areas of the city.
Is DSL the fastest internet I can get in Delmar?
The fastest internet for you may vary based on where in Delmar you live. In general, fiber competes most often with DSL in the city.
- Fiber is the fastest internet type for 83.02% of Delmar homes.
- Cable is fastest for less than 1% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 15.78%.
- Satellite internet may be the only option for 1.20% of Delmar homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Delmar, along with details on where in Delmar and at what speeds.
Windstream DSL in Delmar, IA
Windstream DSL coverage
About 72.30%, or 843 people, have Windstream DSL internet available to them in the city. The company covers the northeast, southeast, central, east, north, south, and southwest Delmar area. Windstream is one of the largest internet service providers internet service providers in the US, with internet service available in much of Delmar.
Windstream DSL download speeds
Windstream is below average when comparing download speeds to all other internet providers in Delmar. Versus other DSL providers in the area, Windstream DSL is the fastest. There are 5 different maximum speeds throughout Delmar. The fastest plan anyone in Delmar can order from Windstream goes up to 200 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Delmar customers is up to 106 Mbps.
Show all download speeds
- 29.5% up to 200.0 Mbps
- 36.7% up to 100.0 Mbps
- 11.2% up to 50.0 Mbps
- 13.8% up to 25.0 Mbps
- 8.9% up to 10.0 Mbps
Windstream DSL upload speeds
In Delmar download speeds tend to be faster than than upload speeds for Windstream DSL. Compared to other ISPs, Windstream is below average where upload speeds are concerned, and the fastest compared to other Delmar DSL providers. Windstream offers 8 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 Delmar is up to 52 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Windstream customers can get speeds up to 27 Mbps.
Show all upload speeds
- 32.0% up to 52.0 Mbps
- 6.5% up to 50.0 Mbps
- 4.0% up to 32.0 Mbps
- 12.8% up to 23.0 Mbps
- 10.8% up to 17.0 Mbps
- 4.5% up to 12.0 Mbps
- 20.4% up to 3.0 Mbps
- 8.9% up to 1.0 Mbps
Centurylink DSL in Delmar, IA
Centurylink DSL coverage
About 9.78%, or 114 people, have Centurylink DSL internet available to them in the city. The company covers the northwest, north, and west Delmar area. Centurylink is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Delmar.
Centurylink DSL download speeds
Centurylink is the slowest when comparing download speeds to all other internet providers in Delmar. Versus other DSL providers in the area, Centurylink DSL is the slowest. There are no different maximum speeds throughout Delmar. The fastest plan anyone in Delmar can order from Centurylink goes up to 10 Mbps, and all Delmar customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
Centurylink DSL upload speeds
In Delmar download speeds tend to be faster than than upload speeds for Centurylink DSL. Compared to other ISPs, Centurylink is the slowest where upload speeds are concerned, and the slowest compared to other Delmar DSL providers. Centurylink offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Delmar is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
Delmar DSL by Area
This information is most helpful to those looking for homes or considering moving to Delmar or any of the areas nearby.
How does DSL internet in Delmar compare to the rest of Iowa?
DSL internet speeds in Delmar are much faster versus the average speeds in Iowa: 0.00 Mbps in Iowa versus 94 Mbps in the city. The state has similar DSL availability compared to the city. Average DSL coverage in Iowa is 0.00% versus 82.08% in Delmar.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Delmar 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
- North Welton, IA: more DSL coverage, slower speeds
- Petersville, IA: less DSL coverage, slower speeds
- Welton, IA: less DSL coverage, slower speeds
- Elwood, IA: less DSL coverage, slower speeds
- Maquoketa, IA: more DSL coverage, slower speeds
- Charlotte, IA: more DSL coverage, faster speeds
- Hurstville, IA: more DSL coverage, slower speeds
- Grand Mound, IA: less DSL coverage, faster speeds
- Spragueville, IA: less DSL coverage, slower speeds
- Nashville, IA: less DSL coverage, slower speeds
Cities with Similar Populations
- Illiopolis, IL: more DSL coverage, slower speeds
- San Pierre, IN: less DSL coverage, slower speeds
- Ryan, IA: less DSL coverage, faster speeds
- Ridgeway, OH: more DSL coverage, slower speeds
- Richmond, MA: less DSL coverage, slower speeds
- Reynolds, IL: less DSL coverage, slower speeds
- Lorimor, IA: less DSL coverage, slower speeds
- Lore City, OH: less DSL coverage, slower speeds
- Limehouse, SC: more DSL coverage, slower speeds
- Lake Arthur, NM: more DSL coverage, slower speeds