Coverage · ZIP 85003
Internet Providers in Phoenix, AZ (85003)
There are 13 internet providers available in Phoenix, AZ (ZIP 85003), including Quantum Fiber, Cox Fiber, CenturyLink Fiber. Compare each provider below by technology, maximum advertised speed, and area coverage, then call (833) 261-0564 for help choosing a plan. Coverage data is sourced from the FCC National Broadband Map.
Internet providers in Phoenix, AZ (ZIP 85003)
There are 13 residential internet providers available in Phoenix, AZ (ZIP 85003), including Quantum Fiber, Cox Fiber, CenturyLink Fiber. The table below lists each provider with its technology type, maximum advertised speeds, and area coverage, sourced from the FCC National Broadband Map.
| Provider | Technology | Max download | Max upload | Area coverage |
|---|---|---|---|---|
| Quantum Fiber | Fiber | 8 Gbps | 8 Gbps | 32% |
| Cox Fiber | Fiber | 2 Gbps | 2 Gbps | 39% |
| CenturyLink Fiber | Fiber | 1 Gbps | 1 Gbps | 26% |
| Cox | Cable | 2 Gbps | 100 Mbps | 80% |
| Verizon 5G Home | 5G Home Internet | 1 Gbps | 75 Mbps | 89% |
| AT&T Internet Air | 5G Home Internet | 100 Mbps | 20 Mbps | 87% |
| T-Mobile Home Internet | 5G Home Internet | 100 Mbps | 20 Mbps | 84% |
| Wi-Fiber | Fixed Wireless | 400 Mbps | 400 Mbps | 90% |
| AirFiber | Fixed Wireless | 100 Mbps | 25 Mbps | 90% |
| Starlink | Satellite | 280 Mbps | 30 Mbps | 100% |
| Viasat | Satellite | 150 Mbps | 3 Mbps | 100% |
| HughesNet | Satellite | 100 Mbps | 5 Mbps | 100% |
| CenturyLink | DSL | 140 Mbps | 40 Mbps | 80% |
Internet in Phoenix, AZ — common questions
How many internet providers are available in Phoenix, AZ?
There are 13 internet providers available in Phoenix, AZ (ZIP 85003), including Quantum Fiber, Cox Fiber, CenturyLink Fiber. Availability varies by exact address.
What is the fastest internet available in 85003?
Quantum Fiber offers the highest advertised download speed in Phoenix, AZ at up to 8 Gbps. Actual speeds depend on the plan and your address.
How do I check internet availability at my address in Phoenix, AZ?
Enter your ZIP code on Ziatan to see every provider serving your block, then call (833) 261-0564 for help comparing plans and pricing — free, with no signup required.