In 51551 there are 2 residential DSL providers covering 89.47% of the zip. The average home can get speeds up to 37 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 51551, IA.
To see availability maps for all providers including fiber, cable, DSL, and more in 51551, IA please click below.
DSL Internet Service Providers in 51551
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 51551 are not shown.
51551 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 51551 is DSL internet available?
DSL Internet Availability Key
DSL is available in 89.47% of 51551. Areas in green have DSL internet service, where areas in yellow or red may not. The most widely available provider is Centurylink. Call one of the companies with service in 51551 above to see who has service at your home.
How fast is DSL internet in 51551?
The map below shows maximum DSL internet speeds by area in 51551.
DSL Internet Speed Key
The average 51551 home can get up to 37 Mbps on their DSL internet plan. The fastest DSL download speed in the zip is 100 Mbps, which 3.73% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 22.01% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in 51551.
DSL internet speeds tend to be faster in the north parts of 51551, and slower in the southeast areas of the zip.
Is DSL the fastest internet I can get in 51551?
The fastest internet for you may vary based on where in 51551 you live. In general, fiber competes most often with DSL in the zip.
- Fiber is the fastest internet type for 99.16% of 51551 homes.
- Cable is fastest for less than 1% of the zip.
- 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 51551 homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in 51551, along with details on where in 51551 and at what speeds.
Centurylink DSL in 51551, IA
Centurylink DSL coverage
About 88.25%, or 1,584 people, have Centurylink DSL internet available to them in the zip. The company covers the entire 51551 area. Centurylink is one of the largest internet service providers internet service providers in the US, with internet service available in most of 51551.
Centurylink DSL download speeds
Centurylink is below average when comparing download speeds to all other internet providers in 51551. Versus other DSL providers in the area, Centurylink DSL is the fastest. There are 5 different maximum speeds throughout 51551. The fastest plan anyone in 51551 can order from Centurylink goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the zip-wide average maximum speed for 51551 customers is up to 37 Mbps.
Show all download speeds
- 4.2% up to 100.0 Mbps
- 3.3% up to 80.0 Mbps
- 1.3% up to 60.0 Mbps
- 67.6% up to 40.0 Mbps
- 23.5% up to 10.0 Mbps
Centurylink DSL upload speeds
In 51551 download speeds tend to be faster than than upload speeds for Centurylink DSL. Compared to other ISPs, Centurylink is below average where upload speeds are concerned, and the fastest compared to other 51551 DSL providers. Centurylink offers 4 different upload speeds across the zip, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in 51551 is up to 10 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Centurylink customers can get speeds up to 3.1 Mbps.
Show all upload speeds
- 7.6% up to 10.0 Mbps
- 1.3% up to 5.0 Mbps
- 67.6% up to 3.0 Mbps
- 23.5% up to 1.0 Mbps
Windstream DSL in 51551, IA
Windstream DSL coverage
About 1.23%, or 22 people, have Windstream DSL internet available to them in the zip. The company covers the southwest 51551 area. Windstream is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of 51551.
Windstream DSL download speeds
Windstream is the slowest when comparing download speeds to all other internet providers in 51551. Versus other DSL providers in the area, Windstream DSL is the slowest. There are no different maximum speeds throughout 51551. The fastest plan anyone in 51551 can order from Windstream goes up to 10 Mbps, and all 51551 customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
Windstream DSL upload speeds
In 51551 download speeds tend to be faster than than upload speeds for Windstream DSL. Compared to other ISPs, Windstream is the slowest where upload speeds are concerned, and the slowest compared to other 51551 DSL providers. Windstream offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 51551 is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
51551 DSL by Area
This information is most helpful to those looking for homes or considering moving to 51551 or any of the areas nearby.
How does DSL internet in 51551 compare to the rest of Iowa?
DSL internet speeds in 51551 are much faster versus the average speeds in Iowa: 0.00 Mbps in Iowa versus 37 Mbps in the zip. The state has similar DSL availability compared to the zip. Average DSL coverage in Iowa is 0.00% versus 89.47% in 51551.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around 51551 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 zip codes?
Below are zip codes nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Zip Codes
- 51540, IA: less DSL coverage, faster speeds
- 51534, IA: more DSL coverage, faster speeds
- 51571, IA: more DSL coverage, faster speeds
- 51533, IA: less DSL coverage, faster speeds
- 51554, IA: more DSL coverage, faster speeds
- 51561, IA: less DSL coverage, faster speeds
- 51549, IA: less DSL coverage, faster speeds
- 68048, NE: more DSL coverage, faster speeds
- 68409, NE: more DSL coverage, faster speeds
- 68113, NE: less DSL coverage, slower speeds
Zip Codes with Similar Populations
- 00775, PR: more DSL coverage, slower speeds
- 50604, IA: more DSL coverage, faster speeds
- 75574, TX: more DSL coverage, faster speeds
- 53007, WI: more DSL coverage, faster speeds
- 35097, AL: more DSL coverage, faster speeds
- 32140, FL: more DSL coverage, faster speeds
- 29030, SC: less DSL coverage, faster speeds
- 28091, NC: more DSL coverage, faster speeds
- 27242, NC: less DSL coverage, faster speeds
- 26519, WV: more DSL coverage, faster speeds