In 99203 there are 2 residential Fiber providers covering 77.14% of the zip. The average home can get speeds up to 3,693 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 99203, WA.
To see availability maps for all providers including fiber, cable, DSL, and more in 99203, WA please click below.
Fiber Internet Service Providers in 99203
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 99203 are not shown.
99203 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 99203 is fiber internet available?

Fiber Internet Availability Key
Fiber is available in 77.14% of 99203. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is Quantum Fiber. Call one of the companies with service in 99203 above to see who has service at your home.
How fast is fiber internet in 99203?
The map below shows maximum fiber internet speeds by area in 99203.

Fiber Internet Speed Key
The average 99203 home can get up to 3,693 Mbps on their fiber internet plan. The fastest fiber download speed in the zip is 8,000 Mbps, which 21.88% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, less than 1% of homes can only purchase plans up to 940 Mbps. See the internet provider details below for info about their speed and coverage in 99203.
Fiber internet speeds tend to be faster in the southwest parts of 99203, and slower in the north areas of the zip.
Is fiber the fastest internet I can get in 99203?
The fastest internet for you may vary based on where in 99203 you live. In general, cable competes most often with fiber in the zip.
- Fiber is the fastest internet type for 76.41% of 99203 homes.
- Cable is fastest for 23.55% 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 99203 homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in 99203, along with details on where in 99203 and at what speeds.
Quantum Fiber Fiber in 99203, WA

Quantum Fiber fiber coverage
About 77.14%, or 15,781 people, have Quantum Fiber fiber internet available to them in the zip. The company covers the entire 99203 area. Quantum Fiber is one of the largest internet service providers internet service providers in the US, with internet service available in much of 99203.
Quantum Fiber fiber download speeds
Quantum Fiber is the fastest when comparing download speeds to all other internet providers in 99203. Versus other fiber providers in the area, Quantum Fiber fiber is the fastest. There are 4 different maximum speeds throughout 99203. The fastest plan anyone in 99203 can order from Quantum Fiber goes up to 8,000 Mbps, the slowest package only goes up to 940 Mbps, and the zip-wide average maximum speed for 99203 customers is up to 3,693 Mbps.
Show all download speeds
- 28.4% up to 8,000.0 Mbps
- 0.1% up to 3,000.0 Mbps
- 70.5% up to 2,000.0 Mbps
- 0.9% up to 940.0 Mbps
Quantum Fiber fiber upload speeds
In 99203 download speeds tend to be faster than than upload speeds for Quantum Fiber fiber. Compared to other ISPs, Quantum Fiber is the fastest where upload speeds are concerned, and the fastest compared to other 99203 fiber providers. Quantum Fiber 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 99203 is up to 8,000 Mbps. Some customers have slower plan choices, which only go up to 940 Mbps. On average, Quantum Fiber customers can get speeds up to 2,988 Mbps.
Show all upload speeds
- 28.4% up to 8,000.0 Mbps
- 0.1% up to 3,000.0 Mbps
- 70.5% up to 1,000.0 Mbps
- 0.9% up to 940.0 Mbps
Centurylink Fiber in 99203, WA

Centurylink fiber coverage
About 19.66%, or 4,022 people, have Centurylink fiber internet available to them in the zip. The company covers the central, west, north, northeast, and south 99203 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 99203.
Centurylink fiber download speeds
Centurylink is above average when comparing download speeds to all other internet providers in 99203. Versus other fiber providers in the area, Centurylink fiber is the slowest. There are 4 different maximum speeds throughout 99203. The fastest plan anyone in 99203 can order from Centurylink goes up to 1,000 Mbps, the slowest package only goes up to 100 Mbps, and the zip-wide average maximum speed for 99203 customers is up to 937 Mbps.
Show all download speeds
- 21.6% up to 1,000.0 Mbps
- 76.3% up to 940.0 Mbps
- 1.2% up to 200.0 Mbps
- 0.9% up to 100.0 Mbps
Centurylink fiber upload speeds
In 99203 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 the slowest compared to other 99203 fiber 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 99203 is up to 1,000 Mbps. Some customers have slower plan choices, which only go up to 100 Mbps. On average, Centurylink customers can get speeds up to 708 Mbps.
Show all upload speeds
- 21.6% up to 1,000.0 Mbps
- 45.5% up to 940.0 Mbps
- 32.0% up to 200.0 Mbps
- 0.9% up to 100.0 Mbps
99203 Fiber by Area
This information is most helpful to those looking for homes or considering moving to 99203 or any of the areas nearby.
How does fiber internet in 99203 compare to the rest of Washington?
Fiber internet speeds in 99203 are much faster versus the average speeds in Washington: 0.00 Mbps in Washington versus 3,693 Mbps in the zip. The state has similar fiber availability compared to the zip. Average fiber coverage in Washington is 0.00% versus 77.14% in 99203.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around 99203 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 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
- 99204, WA: more fiber coverage, faster speeds
- 99202, WA: less fiber coverage, slower speeds
- 99223, WA: less fiber coverage, faster speeds
- 99201, WA: less fiber coverage, faster speeds
- 99224, WA: less fiber coverage, faster speeds
- 99207, WA: less fiber coverage, slower speeds
- 99205, WA: more fiber coverage, faster speeds
- 99212, WA: less fiber coverage, faster speeds
- 99217, WA: less fiber coverage, faster speeds
- 99206, WA: less fiber coverage, faster speeds
Zip Codes with Similar Populations
- 75237, TX: less fiber coverage, faster speeds
- 40330, KY: less fiber coverage, faster speeds
- 43202, OH: less fiber coverage, faster speeds
- 43607, OH: less fiber coverage, faster speeds
- 00757, PR: less fiber coverage, slower speeds
- 62801, IL: less fiber coverage, faster speeds
- 67205, KS: more fiber coverage, faster speeds
- 67226, KS: more fiber coverage, faster speeds
- 70520, LA: more fiber coverage, faster speeds
- 71105, LA: more fiber coverage, faster speeds


