In 85737 there are 2 residential Fiber providers covering 9.13% of the zip. The average home can get speeds up to 1,741 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 85737, AZ.
To see availability maps for all providers including fiber, cable, DSL, and more in 85737, AZ please click below.
Fiber Internet Service Providers in 85737
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 85737 are not shown.
85737 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 85737 is fiber internet available?

Fiber Internet Availability Key
Fiber is available in 9.13% of 85737. 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 85737 above to see who has service at your home.
How fast is fiber internet in 85737?
The map below shows maximum fiber internet speeds by area in 85737.

Fiber Internet Speed Key
The average 85737 home can get up to 1,741 Mbps on their fiber internet plan. The fastest fiber download speed in the zip is 2,000 Mbps, which 6.77% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 2.36% 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 85737.
Fiber internet speeds tend to be faster in the northwest parts of 85737, and slower in the east areas of the zip.
Is fiber the fastest internet I can get in 85737?
The fastest internet for you may vary based on where in 85737 you live. In general, cable competes most often with fiber in the zip.
- Fiber is the fastest internet type for 6.77% of 85737 homes.
- Cable is fastest for 93.23% 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 85737 homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in 85737, along with details on where in 85737 and at what speeds.
Quantum Fiber Fiber in 85737, AZ

Quantum Fiber fiber coverage
About 9.13%, or 2,080 people, have Quantum Fiber fiber internet available to them in the zip. The company covers the east, southeast, and northwest 85737 area. Quantum Fiber is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of 85737.
Quantum Fiber fiber download speeds
Quantum Fiber is the fastest when comparing download speeds to all other internet providers in 85737. Versus other fiber providers in the area, Quantum Fiber fiber is the fastest. There are 3 different maximum speeds throughout 85737. The fastest plan anyone in 85737 can order from Quantum Fiber goes up to 2,000 Mbps, the slowest package only goes up to 940 Mbps, and the zip-wide average maximum speed for 85737 customers is up to 1,728 Mbps.
Show all download speeds
- 74.1% up to 2,000.0 Mbps
- 3.4% up to 1,000.0 Mbps
- 22.5% up to 940.0 Mbps
Quantum Fiber fiber upload speeds
In 85737 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 85737 fiber providers. Quantum Fiber offers 2 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 85737 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 987 Mbps.
Show all upload speeds
- 77.5% up to 1,000.0 Mbps
- 22.5% up to 940.0 Mbps
Centurylink Fiber in 85737, AZ

Centurylink fiber coverage
About 6.77%, or 1,542 people, have Centurylink fiber internet available to them in the zip. The company covers the southeast, east, and northwest 85737 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 85737.
Centurylink fiber download speeds
Centurylink is above average when comparing download speeds to all other internet providers in 85737. Versus other fiber providers in the area, Centurylink fiber is the slowest. There are 2 different maximum speeds throughout 85737. The fastest plan anyone in 85737 can order from Centurylink goes up to 1,000 Mbps, the slowest package only goes up to 940 Mbps, and the zip-wide average maximum speed for 85737 customers is up to 983 Mbps.
Show all download speeds
- 71.3% up to 1,000.0 Mbps
- 28.7% up to 940.0 Mbps
Centurylink fiber upload speeds
In 85737 download speeds tend to be equal to 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 85737 fiber providers. Centurylink offers 2 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 85737 is up to 1,000 Mbps. Some customers have slower plan choices, which only go up to 940 Mbps. On average, Centurylink customers can get speeds up to 983 Mbps.
Show all upload speeds
- 71.3% up to 1,000.0 Mbps
- 28.7% up to 940.0 Mbps
85737 Fiber by Area
This information is most helpful to those looking for homes or considering moving to 85737 or any of the areas nearby.
How does fiber internet in 85737 compare to the rest of Arizona?
Fiber internet speeds in 85737 are much faster versus the average speeds in Arizona: 0.00 Mbps in Arizona versus 1,741 Mbps in the zip. The state has similar fiber availability compared to the zip. Average fiber coverage in Arizona is 0.00% versus 9.13% in 85737.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around 85737 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
- 85755, AZ: more fiber coverage, faster speeds
- 85742, AZ: more fiber coverage, slower speeds
- 85704, AZ: more fiber coverage, slower speeds
- 85741, AZ: less fiber coverage, slower speeds
- 85718, AZ: less fiber coverage, faster speeds
- 85658, AZ: more fiber coverage, slower speeds
- 85739, AZ: more fiber coverage, slower speeds
- 85743, AZ: less fiber coverage, slower speeds
- 85653, AZ: more fiber coverage, slower speeds
- 85145, AZ: more fiber coverage, slower speeds
Zip Codes with Similar Populations
- 07203, NJ: more fiber coverage, faster speeds
- 99004, WA: more fiber coverage, faster speeds
- 97209, OR: more fiber coverage, faster speeds
- 94596, CA: more fiber coverage, faster speeds
- 84124, UT: more fiber coverage, faster speeds
- 84105, UT: more fiber coverage, faster speeds
- 77551, TX: more fiber coverage, faster speeds
- 70124, LA: more fiber coverage, faster speeds
- 67218, KS: more fiber coverage, faster speeds
- 48176, MI: more fiber coverage, faster speeds


