In 85378 there are 3 residential Fiber providers covering 42.73% of the zip. The average home can get speeds up to 5,000 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 85378, AZ.
To see availability maps for all providers including fiber, cable, DSL, and more in 85378, AZ please click below.
Fiber Internet Service Providers in 85378
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 85378 are not shown.
85378 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 85378 is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 42.73% of 85378. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is Wyyerd. Call one of the companies with service in 85378 above to see who has service at your home.
How fast is fiber internet in 85378?
The map below shows maximum fiber internet speeds by area in 85378.
Fiber Internet Speed Key
The average 85378 home can get up to 5,000 Mbps on their fiber internet plan. The fastest fiber download speed in the zip is 5,000 Mbps, which 42.73% of residents can get.
Is fiber the fastest internet I can get in 85378?
The fastest internet for you may vary based on where in 85378 you live. In general, cable competes most often with fiber in the zip.
- Fiber is the fastest internet type for 42.73% of 85378 homes.
- Cable is fastest for 56.15% of the zip.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 1.12%.
- Satellite internet may be the only option for less than 1% of 85378 homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in 85378, along with details on where in 85378 and at what speeds.
Wyyerd Fiber Fiber in 85378, AZ
Wyyerd fiber coverage
About 42.73%, or 3,092 people, have Wyyerd fiber internet available to them in the zip. The company covers the southwest, west, and south 85378 area. Wyyerd is a large internet service provider internet service providers in the US, with internet service available in some of 85378.
Wyyerd Fiber fiber download speeds
Wyyerd is the fastest when comparing download speeds to all other internet providers in 85378. Versus other fiber providers in the area, Wyyerd fiber is the fastest. There are no different maximum speeds throughout 85378. The fastest plan anyone in 85378 can order from Wyyerd goes up to 5,000 Mbps, and all 85378 customers can get this speed.
Show all download speeds
- 100.0% up to 5,000.0 Mbps
Wyyerd Fiber fiber upload speeds
In 85378 download speeds tend to be equal to than upload speeds for Wyyerd fiber. Compared to other ISPs, Wyyerd is the fastest where upload speeds are concerned, and the fastest compared to other 85378 fiber providers. Wyyerd offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 85378 is up to 5,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 5,000.0 Mbps
Cox Communications Fiber in 85378, AZ
Cox fiber coverage
About 5.22%, or 378 people, have Cox fiber internet available to them in the zip. The company covers the west 85378 area. Cox is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of 85378.
Cox Communications fiber download speeds
Cox is average when comparing download speeds to all other internet providers in 85378. Versus other fiber providers in the area, Cox fiber is below average. There are no different maximum speeds throughout 85378. The fastest plan anyone in 85378 can order from Cox goes up to 1,000 Mbps, and all 85378 customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Cox Communications fiber upload speeds
In 85378 download speeds tend to be faster than than upload speeds for Cox fiber. Compared to other ISPs, Cox is below average where upload speeds are concerned, and the slowest compared to other 85378 fiber providers. Cox offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 85378 is up to 100 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 100.0 Mbps
Quantum Fiber Fiber in 85378, AZ
Quantum Fiber fiber coverage
About 2.21%, or 160 people, have Quantum Fiber fiber internet available to them in the zip. The company covers the west 85378 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 85378.
Quantum Fiber fiber download speeds
Quantum Fiber is average when comparing download speeds to all other internet providers in 85378. Versus other fiber providers in the area, Quantum Fiber fiber is the slowest. There are no different maximum speeds throughout 85378. The fastest plan anyone in 85378 can order from Quantum Fiber goes up to 940 Mbps, and all 85378 customers can get this speed.
Show all download speeds
- 100.0% up to 940.0 Mbps
Quantum Fiber fiber upload speeds
In 85378 download speeds tend to be equal to 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 85378 fiber providers. Quantum Fiber offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 85378 is up to 940 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 940.0 Mbps
85378 Fiber by Area
This information is most helpful to those looking for homes or considering moving to 85378 or any of the areas nearby.
How does fiber internet in 85378 compare to the rest of Arizona?
Fiber internet speeds in 85378 are much faster versus the average speeds in Arizona: 0.00 Mbps in Arizona versus 5,000 Mbps in the zip. The state has similar fiber availability compared to the zip. Average fiber coverage in Arizona is 0.00% versus 42.73% in 85378.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around 85378 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
- 85335, AZ: more fiber coverage, slower speeds
- 85373, AZ: less fiber coverage, slower speeds
- 85351, AZ: less fiber coverage, slower speeds
- 85375, AZ: more fiber coverage, slower speeds
- 85363, AZ: less fiber coverage, slower speeds
- 85379, AZ: more fiber coverage, faster speeds
- 85374, AZ: more fiber coverage, faster speeds
- 85382, AZ: less fiber coverage, slower speeds
- 85381, AZ: less fiber coverage, slower speeds
- 85345, AZ: less fiber coverage, slower speeds
Zip Codes with Similar Populations
- 11363, NY: more fiber coverage, slower speeds
- 01775, MA: more fiber coverage, slower speeds
- 16150, PA: more fiber coverage, faster speeds
- 14141, NY: less fiber coverage, slower speeds
- 12564, NY: less fiber coverage, faster speeds
- 12540, NY: less fiber coverage, slower speeds
- 97325, OR: less fiber coverage, slower speeds
- 10595, NY: more fiber coverage, faster speeds
- 03264, NH: more fiber coverage, slower speeds
- 98826, WA: more fiber coverage, slower speeds