In Cowlitz County there are 5 residential Fiber providers covering 60.89% of the county. The average home can get speeds up to 2,313 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 Fiber internet providers in Cowlitz County, WA.
To see availability maps for all providers including fiber, cable, DSL, and more in Cowlitz County, WA please click below.
Cowlitz County, WA Availability Maps
Fiber Internet Service Providers in Cowlitz County
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 Cowlitz County are not shown.
Cowlitz County 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 Cowlitz County is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 60.89% of Cowlitz County. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is Astound Broadband. Call one of the companies with service in Cowlitz County above to see who has service at your home.
How fast is fiber internet in Cowlitz County?
The map below shows maximum fiber internet speeds by area in Cowlitz County.
Fiber Internet Speed Key
The average Cowlitz County home can get up to 2,313 Mbps on their fiber internet plan. The fastest fiber download speed in the county is 6,000 Mbps, which 5.79% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 3.98% of homes can only purchase plans up to 1,000 Mbps. See the internet provider details below for info about their speed and coverage in Cowlitz County.
Fiber internet speeds tend to be faster in the southeast parts of Cowlitz County, and slower in the northeast areas of the county.
Is fiber the fastest internet I can get in Cowlitz County?
The fastest internet for you may vary based on where in Cowlitz County you live. In general, cable competes most often with fiber in the county.
- Fiber is the fastest internet type for 57.62% of Cowlitz County homes.
- Cable is fastest for 33.97% of the county.
- DSL is fastest for 5.88%.
- Fixed wireless is fastest for 2.22%.
- Satellite internet may be the only option for less than 1% of Cowlitz County homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Cowlitz County, along with details on where in Cowlitz County and at what speeds.
Astound Broadband Fiber in Cowlitz County, WA
Astound Broadband fiber coverage
About 38.84%, or 43,004 people, have Astound Broadband fiber internet available to them in the county. The company covers the west, central, southwest, northwest, southeast, north, and south Cowlitz County area. Astound Broadband is one of the largest internet service providers internet service providers in the US, with internet service available in some of Cowlitz County.
Astound Broadband fiber download speeds
Astound Broadband is above average when comparing download speeds to all other internet providers in Cowlitz County. Versus other fiber providers in the area, Astound Broadband fiber is above average. There are no different maximum speeds throughout Cowlitz County. The fastest plan anyone in Cowlitz County can order from Astound Broadband goes up to 2,000 Mbps, and all Cowlitz County customers can get this speed.
Show all download speeds
- 100.0% up to 2,000.0 Mbps
Astound Broadband fiber upload speeds
In Cowlitz County download speeds tend to be equal to than upload speeds for Astound Broadband fiber. Compared to other ISPs, Astound Broadband is above average where upload speeds are concerned, and above average compared to other Cowlitz County fiber providers. Astound Broadband offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Cowlitz County is up to 2,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 2,000.0 Mbps
Quantum Fiber Fiber in Cowlitz County, WA
Quantum Fiber fiber coverage
About 33.94%, or 37,581 people, have Quantum Fiber fiber internet available to them in the county. The company covers the west, central, southwest, south, north, southeast, and northwest Cowlitz County area. Quantum Fiber is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Cowlitz County.
Quantum Fiber fiber download speeds
Quantum Fiber is above average when comparing download speeds to all other internet providers in Cowlitz County. Versus other fiber providers in the area, Quantum Fiber fiber is above average. There are 3 different maximum speeds throughout Cowlitz County. The fastest plan anyone in Cowlitz County can order from Quantum Fiber goes up to 2,000 Mbps, the slowest package only goes up to 940 Mbps, and the county-wide average maximum speed for Cowlitz County customers is up to 1,952 Mbps.
Show all download speeds
- 95.4% up to 2,000.0 Mbps
- 1.2% up to 1,000.0 Mbps
- 3.3% up to 940.0 Mbps
Quantum Fiber fiber upload speeds
In Cowlitz County download speeds tend to be faster than than upload speeds for Quantum Fiber fiber. Compared to other ISPs, Quantum Fiber is above average where upload speeds are concerned, and below average compared to other Cowlitz County fiber providers. Quantum Fiber offers 2 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Cowlitz County is up to 1,000 Mbps. Some customers have slower plan choices, which only go up to 940 Mbps. On average, Quantum Fiber customers can get speeds up to 998 Mbps.
Show all upload speeds
- 96.7% up to 1,000.0 Mbps
- 3.3% up to 940.0 Mbps
Centurylink Fiber in Cowlitz County, WA
Centurylink fiber coverage
About 28.75%, or 31,835 people, have Centurylink fiber internet available to them in the county. The company covers the west, central, southwest, south, and southeast Cowlitz County area. Centurylink is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Cowlitz County.
Centurylink fiber download speeds
Centurylink is average when comparing download speeds to all other internet providers in Cowlitz County. Versus other fiber providers in the area, Centurylink fiber is the slowest. There are 8 different maximum speeds throughout Cowlitz County. The fastest plan anyone in Cowlitz County can order from Centurylink goes up to 1,000 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Cowlitz County customers is up to 933 Mbps.
Show all download speeds
- 33.5% up to 1,000.0 Mbps
- 63.1% up to 940.0 Mbps
- 0.2% up to 500.0 Mbps
- 1.1% up to 200.0 Mbps
- 1.2% up to 100.0 Mbps
- 0.2% up to 80.0 Mbps
- 0.6% up to 40.0 Mbps
- 0.2% up to 10.0 Mbps
Centurylink fiber upload speeds
In Cowlitz County download speeds tend to be faster than than upload speeds for Centurylink fiber. Compared to other ISPs, Centurylink is above average where upload speeds are concerned, and below average compared to other Cowlitz County fiber providers. Centurylink offers 10 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Cowlitz County is up to 1,000 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Centurylink customers can get speeds up to 803 Mbps.
Show all upload speeds
- 33.5% up to 1,000.0 Mbps
- 45.4% up to 940.0 Mbps
- 0.3% up to 500.0 Mbps
- 18.6% up to 200.0 Mbps
- 0.9% up to 100.0 Mbps
- 0.3% up to 50.0 Mbps
- 0.5% up to 20.0 Mbps
- 0.2% up to 10.0 Mbps
- 0.1% up to 5.0 Mbps
- 0.2% up to 1.0 Mbps
Ziply Fiber in Cowlitz County, WA
Ziply fiber coverage
About 5.79%, or 6,407 people, have Ziply fiber internet available to them in the county. The company covers the southeast Cowlitz County area. Ziply is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Cowlitz County.
Ziply fiber download speeds
Ziply is the fastest when comparing download speeds to all other internet providers in Cowlitz County. Versus other fiber providers in the area, Ziply fiber is the fastest. There are no different maximum speeds throughout Cowlitz County. The fastest plan anyone in Cowlitz County can order from Ziply goes up to 6,000 Mbps, and all Cowlitz County customers can get this speed.
Show all download speeds
- 100.0% up to 6,000.0 Mbps
Ziply fiber upload speeds
In Cowlitz County download speeds tend to be equal to than upload speeds for Ziply fiber. Compared to other ISPs, Ziply is the fastest where upload speeds are concerned, and the fastest compared to other Cowlitz County fiber providers. Ziply offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Cowlitz County is up to 6,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 6,000.0 Mbps
Tenino Telephone Company Fiber in Cowlitz County, WA
Tenino Telephone Company fiber coverage
About 4.11%, or 4,549 people, have Tenino Telephone Company fiber internet available to them in the county. The company covers the southeast and south Cowlitz County area. Tenino Telephone Company is an average-sized internet service provider internet service providers in the US, with internet service available in a very small piece of Cowlitz County.
Tenino Telephone Company fiber download speeds
Tenino Telephone Company is average when comparing download speeds to all other internet providers in Cowlitz County. Versus other fiber providers in the area, Tenino Telephone Company fiber is below average. There are no different maximum speeds throughout Cowlitz County. The fastest plan anyone in Cowlitz County can order from Tenino Telephone Company goes up to 1,000 Mbps, and all Cowlitz County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Tenino Telephone Company fiber upload speeds
In Cowlitz County download speeds tend to be faster than than upload speeds for Tenino Telephone Company fiber. Compared to other ISPs, Tenino Telephone Company is below average where upload speeds are concerned, and below average compared to other Cowlitz County fiber providers. Tenino Telephone Company offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Cowlitz County is up to 500 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 500.0 Mbps
Cowlitz County Fiber by Area
This information is most helpful to those looking for homes or considering moving to Cowlitz County or any of the areas nearby.
How does fiber internet in Cowlitz County compare to the rest of Washington?
Fiber internet speeds in Cowlitz County are much faster versus the average speeds in Washington: 0.00 Mbps in Washington versus 2,313 Mbps in the county. The state has similar fiber availability compared to the county. Average fiber coverage in Washington is 0.00% versus 60.89% in Cowlitz County.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Cowlitz County are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does fiber internet look like in other counties?
Below are counties nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Counties
- Columbia County, OR: less fiber coverage, faster speeds
- Wahkiakum County, WA: more fiber coverage, slower speeds
- Lewis County, WA: less fiber coverage, faster speeds
- Clark County, WA: less fiber coverage, faster speeds
- Clatsop County, OR: less fiber coverage, slower speeds
- Pacific County, WA: less fiber coverage, slower speeds
- Skamania County, WA: less fiber coverage, faster speeds
- Hood River County, OR: more fiber coverage, slower speeds
- Klickitat County, WA: less fiber coverage, slower speeds
- Yakima County, WA: less fiber coverage, faster speeds
Counties with Similar Populations
- Yamhill County, OR: more fiber coverage, faster speeds
- Madison County, MS: more fiber coverage, faster speeds
- Macon County, IL: less fiber coverage, faster speeds
- Mercer County, PA: less fiber coverage, faster speeds
- Adams County, PA: less fiber coverage, slower speeds
- LaSalle County, IL: less fiber coverage, faster speeds
- Navajo County, AZ: less fiber coverage, faster speeds
- Rockwall County, TX: more fiber coverage, faster speeds
- St. Lawrence County, NY: more fiber coverage, slower speeds
- Sumter County, SC: more fiber coverage, slower speeds