In 85203 there are 5 residential Fiber providers covering 74.90% of the zip. The average home can get speeds up to 6,570 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 85203, AZ.
To see availability maps for all providers including fiber, cable, DSL, and more in 85203, AZ please click below.
Fiber Internet Service Providers in 85203
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 85203 are not shown.
85203 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 85203 is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 74.90% of 85203. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is Google Fiber. Call one of the companies with service in 85203 above to see who has service at your home.
How fast is fiber internet in 85203?
The map below shows maximum fiber internet speeds by area in 85203.
Fiber Internet Speed Key
The average 85203 home can get up to 6,570 Mbps on their fiber internet plan. The fastest fiber download speed in the zip is 8,000 Mbps, which 41.98% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 1.52% of homes can only purchase plans up to 500 Mbps. See the internet provider details below for info about their speed and coverage in 85203.
Fiber internet speeds tend to be faster in the east parts of 85203, and slower in the north areas of the zip.
Is fiber the fastest internet I can get in 85203?
The fastest internet for you may vary based on where in 85203 you live. In general, cable competes most often with fiber in the zip.
- Fiber is the fastest internet type for 74.74% of 85203 homes.
- Cable is fastest for 24.62% 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 85203 homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in 85203, along with details on where in 85203 and at what speeds.
EarthLink Fiber in 85203, AZ
EarthLink fiber coverage
About 52.55%, or 20,165 people, have EarthLink fiber internet available to them in the zip. The company covers the southwest, south, southeast, west, central, northeast, north, and northwest 85203 area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of 85203.
EarthLink fiber download speeds
EarthLink is above average when comparing download speeds to all other internet providers in 85203. Versus other fiber providers in the area, EarthLink fiber is above average. There are no different maximum speeds throughout 85203. The fastest plan anyone in 85203 can order from EarthLink goes up to 5,000 Mbps, and all 85203 customers can get this speed.
Show all download speeds
- 100.0% up to 5,000.0 Mbps
EarthLink fiber upload speeds
In 85203 download speeds tend to be equal to than upload speeds for EarthLink fiber. Compared to other ISPs, EarthLink is above average where upload speeds are concerned, and above average compared to other 85203 fiber providers. EarthLink offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 85203 is up to 5,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 5,000.0 Mbps
AT&T Fiber in 85203, AZ
AT&T fiber coverage
About 52.55%, or 20,165 people, have AT&T fiber internet available to them in the zip. The company covers the southwest, south, southeast, west, central, northeast, north, and northwest 85203 area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of 85203.
AT&T fiber download speeds
AT&T is above average when comparing download speeds to all other internet providers in 85203. Versus other fiber providers in the area, AT&T fiber is above average. There are no different maximum speeds throughout 85203. The fastest plan anyone in 85203 can order from AT&T goes up to 5,000 Mbps, and all 85203 customers can get this speed.
Show all download speeds
- 100.0% up to 5,000.0 Mbps
AT&T fiber upload speeds
In 85203 download speeds tend to be equal to than upload speeds for AT&T fiber. Compared to other ISPs, AT&T is above average where upload speeds are concerned, and above average compared to other 85203 fiber providers. AT&T offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 85203 is up to 5,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 5,000.0 Mbps
Google Fiber Fiber in 85203, AZ
Google Fiber fiber coverage
About 35.88%, or 13,769 people, have Google Fiber fiber internet available to them in the zip. The company covers the southwest, west, east, central, northwest, southeast, north, and northeast 85203 area. Google Fiber is one of the largest internet service providers internet service providers in the US, with internet service available in some of 85203.
Google Fiber fiber download speeds
Google Fiber is the fastest when comparing download speeds to all other internet providers in 85203. Versus other fiber providers in the area, Google Fiber fiber is the fastest. There are no different maximum speeds throughout 85203. The fastest plan anyone in 85203 can order from Google Fiber goes up to 8,000 Mbps, and all 85203 customers can get this speed.
Show all download speeds
- 100.0% up to 8,000.0 Mbps
Google Fiber fiber upload speeds
In 85203 download speeds tend to be equal to than upload speeds for Google Fiber fiber. Compared to other ISPs, Google Fiber is the fastest where upload speeds are concerned, and the fastest compared to other 85203 fiber providers. Google Fiber offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 85203 is up to 8,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 8,000.0 Mbps
Quantum Fiber Fiber in 85203, AZ
Quantum Fiber fiber coverage
About 18.73%, or 7,188 people, have Quantum Fiber fiber internet available to them in the zip. The company covers the south, southwest, southeast, west, central, and north 85203 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 85203.
Quantum Fiber fiber download speeds
Quantum Fiber is above average when comparing download speeds to all other internet providers in 85203. Versus other fiber providers in the area, Quantum Fiber fiber is above average. There are 3 different maximum speeds throughout 85203. The fastest plan anyone in 85203 can order from Quantum Fiber goes up to 8,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the zip-wide average maximum speed for 85203 customers is up to 4,821 Mbps.
Show all download speeds
- 47.8% up to 8,000.0 Mbps
- 47.3% up to 2,000.0 Mbps
- 4.8% up to 1,000.0 Mbps
Quantum Fiber fiber upload speeds
In 85203 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 above average compared to other 85203 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 85203 is up to 8,000 Mbps. Some customers have slower plan choices, which only go up to 1,000 Mbps. On average, Quantum Fiber customers can get speeds up to 4,347 Mbps.
Show all upload speeds
- 47.8% up to 8,000.0 Mbps
- 52.2% up to 1,000.0 Mbps
Saddleback Communications Fiber in 85203, AZ
Saddleback Communications fiber coverage
About 1.52%, or 583 people, have Saddleback Communications fiber internet available to them in the zip. The company covers the north, northeast, and northwest 85203 area. Saddleback Communications is a small internet service provider internet service providers in the US, with internet service available in a very small piece of 85203.
Saddleback Communications fiber download speeds
Saddleback Communications is below average when comparing download speeds to all other internet providers in 85203. Versus other fiber providers in the area, Saddleback Communications fiber is the slowest. There are no different maximum speeds throughout 85203. The fastest plan anyone in 85203 can order from Saddleback Communications goes up to 500 Mbps, and all 85203 customers can get this speed.
Show all download speeds
- 100.0% up to 500.0 Mbps
Saddleback Communications fiber upload speeds
In 85203 download speeds tend to be faster than than upload speeds for Saddleback Communications fiber. Compared to other ISPs, Saddleback Communications is below average where upload speeds are concerned, and the slowest compared to other 85203 fiber providers. Saddleback Communications offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 85203 is up to 50 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 50.0 Mbps
85203 Fiber by Area
This information is most helpful to those looking for homes or considering moving to 85203 or any of the areas nearby.
How does fiber internet in 85203 compare to the rest of Arizona?
Fiber internet speeds in 85203 are much faster versus the average speeds in Arizona: 0.00 Mbps in Arizona versus 6,570 Mbps in the zip. The state has similar fiber availability compared to the zip. Average fiber coverage in Arizona is 0.00% versus 74.90% in 85203.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around 85203 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
- 85213, AZ: less fiber coverage, slower speeds
- 85201, AZ: less fiber coverage, faster speeds
- 85204, AZ: less fiber coverage, slower speeds
- 85210, AZ: less fiber coverage, faster speeds
- 85256, AZ: more fiber coverage, slower speeds
- 85205, AZ: less fiber coverage, slower speeds
- 85202, AZ: less fiber coverage, slower speeds
- 85206, AZ: less fiber coverage, slower speeds
- 85233, AZ: less fiber coverage, slower speeds
- 85234, AZ: less fiber coverage, slower speeds
Zip Codes with Similar Populations
- 19136, PA: more fiber coverage, slower speeds
- 20111, VA: more fiber coverage, slower speeds
- 20735, MD: more fiber coverage, slower speeds
- 20877, MD: more fiber coverage, slower speeds
- 21014, MD: more fiber coverage, slower speeds
- 24401, VA: more fiber coverage, slower speeds
- 28079, NC: more fiber coverage, slower speeds
- 28208, NC: more fiber coverage, slower speeds
- 30078, GA: more fiber coverage, slower speeds
- 33881, FL: less fiber coverage, faster speeds