In Portsmouth there is 1 residential DSL provider covering 45.87% of the neighborhood. The average home can get speeds up to 81 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 Portsmouth, Portland, OR.
To see availability maps for all providers including fiber, cable, DSL, and more in Portsmouth, Portland, OR please click below.
Portsmouth, Portland, OR Availability Maps
DSL Internet Service Provider in Portsmouth
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 Portsmouth are not shown.
Portsmouth 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 Portsmouth is DSL internet available?
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DSL is available in 45.87% of Portsmouth. 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 Portsmouth above to see who has service at your home.
How fast is DSL internet in Portsmouth?
The map below shows maximum DSL internet speeds by area in Portsmouth.
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The average Portsmouth home can get up to 81 Mbps on their DSL internet plan. The fastest DSL download speed in the neighborhood is 100 Mbps, which 21.22% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 1.12% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Portsmouth.
DSL internet speeds tend to be faster in the northwest parts of Portsmouth, and slower in the south areas of the neighborhood.
Is DSL the fastest internet I can get in Portsmouth?
The fastest internet for you may vary based on where in Portsmouth you live. In general, fiber competes most often with DSL in the neighborhood.
- Fiber is the fastest internet type for 78.93% of Portsmouth homes.
- Cable is fastest for 21.07% 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 Portsmouth homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Portsmouth, along with details on where in Portsmouth and at what speeds.
Centurylink DSL in Portsmouth, Portland, OR
Centurylink DSL coverage
About 45.87%, or 4,623 people, have Centurylink DSL internet available to them in the neighborhood. The company covers the north, northeast, northwest, east, central, west, south, and southwest Portsmouth area. Centurylink is one of the largest internet service providers internet service providers in the US, with internet service available in some of Portsmouth.
Centurylink DSL download speeds
Centurylink is below average when comparing download speeds to all other internet providers in Portsmouth. Versus other DSL providers in the area, Centurylink DSL is the fastest. There are 5 different maximum speeds throughout Portsmouth. The fastest plan anyone in Portsmouth can order from Centurylink goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the neighborhood-wide average maximum speed for Portsmouth customers is up to 81 Mbps.
Show all download speeds
- 46.3% up to 100.0 Mbps
- 27.4% up to 80.0 Mbps
- 13.5% up to 60.0 Mbps
- 10.4% up to 40.0 Mbps
- 2.4% up to 10.0 Mbps
Centurylink DSL upload speeds
In Portsmouth 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 Portsmouth DSL providers. Centurylink offers 6 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 Portsmouth is up to 100 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Centurylink customers can get speeds up to 26 Mbps.
Show all upload speeds
- 12.4% up to 100.0 Mbps
- 20.1% up to 40.0 Mbps
- 41.2% up to 10.0 Mbps
- 13.5% up to 5.0 Mbps
- 10.4% up to 3.0 Mbps
- 2.4% up to 1.0 Mbps
Portsmouth DSL by Area
This information is most helpful to those looking for homes or considering moving to Portsmouth or any of the areas nearby.
How does DSL internet in Portsmouth compare to the rest of Portland?
DSL internet speeds in Portsmouth are much faster versus the average speeds in Portland: 0.00 Mbps in Portland versus 81 Mbps in the neighborhood. The city has similar DSL availability compared to the neighborhood. Average DSL coverage in Portland is 0.00% versus 45.87% in Portsmouth.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Portsmouth 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 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
- University Park, Portland, OR: less DSL coverage, slower speeds
- Kenton, Portland, OR: less DSL coverage, slower speeds
- St. Johns, Portland, OR: less DSL coverage, slower speeds
- Cathedral Park, Portland, OR: less DSL coverage, slower speeds
- Arbor Lodge, Portland, OR: less DSL coverage, slower speeds
- Overlook, Portland, OR: less DSL coverage, faster speeds
- Woodlawn, Portland, OR: less DSL coverage, slower speeds
- Bridgeton, Portland, OR: more DSL coverage, faster speeds
- Boise, Portland, OR: less DSL coverage, faster speeds
- Esther Short, Vancouver, WA: less DSL coverage, slower speeds
Neighborhoods with Similar Populations
- Capitol Hill, Salt Lake City, UT: more DSL coverage, faster speeds
- Center, Portland, OR: less DSL coverage, faster speeds
- Clark-Fulton, Cleveland, OH: more DSL coverage, slower speeds
- Concordia, Portland, OR: less DSL coverage, slower speeds
- Airport, Riverside, CA: more DSL coverage, faster speeds
- Downtown Minneapolis, St. Paul, MN: more DSL coverage, slower speeds
- East Rock, New Haven, CT: more DSL coverage, slower speeds
- Downtown Pasadena, Pasadena, TX: more DSL coverage, slower speeds
- Downtown Pittsfield, Ann Arbor, MI: more DSL coverage, slower speeds
- East Houston, Houston, TX: more DSL coverage, faster speeds