Coverage · ZIP 85021 · Maricopa County
Internet providers in Phoenix, AZ.
There are 9 internet providers reporting service in Phoenix, AZ (ZIP 85021) in FCC National Broadband Map filings (FCC filings as of Dec 31, 2024), including Quantum Fiber, Cox Fiber, and CenturyLink Fiber. The fastest advertised download speed is 8 Gbps from Quantum Fiber. 3 of them offer fiber. These records are aggregated to ZIP areas. Call 888-889-4095 and your OneClickAway agent confirms which plans are actually orderable at your exact address — with current pricing — before anything is ordered.
Ranked · fiber first, then cable, 5G home, fixed wireless, DSL
Every provider reporting service in Phoenix, AZ (85021)
Maximum advertised speeds from FCC National Broadband Map filings (FCC filings as of Dec 31, 2024). Coverage is the share of census blocks in this ZIP where the provider reports service. Prices are not shown — they change by address and promotion, so your agent quotes them live.
Providers are grouped by technology. Within a group, OneClickAway partners appear first in our listed partner order. We may receive compensation when you order through us. Block coverage is not the percentage of homes served.
| # | Provider | Technology | Max download | Max upload | Coverage |
|---|---|---|---|---|---|
| 01 | Quantum Fiber by Lumen |
FiberLow latency | 8 Gbps | 8 Gbps | 22% of blocks |
| 02 | Cox Fiber by Cox Enterprises |
FiberLow latency | 2 Gbps | 2 Gbps | 16% of blocks |
| 03 | CenturyLink Fiber by Lumen |
FiberLow latency | 1 Gbps | 1 Gbps | 20% of blocks |
| 04 | Cox by Cox Enterprises |
CableLow latency | 2 Gbps | 100 Mbps | 92% of blocks |
| 05 | Verizon 5G Home by Verizon |
5G HomeLow latency | 300 Mbps | 30 Mbps | 68% of blocks |
| 06 | T-Mobile Home Internet by T-Mobile |
5G HomeLow latency | 100 Mbps | 20 Mbps | 93% of blocks |
| 07 | AT&T Internet Air by AT&T |
5G HomeLow latency | 100 Mbps | 20 Mbps | 78% of blocks |
| 08 | Wi-Fiber | Fixed WirelessLow latency | 400 Mbps | 400 Mbps | 1% of blocks |
| 09 | CenturyLink by Lumen |
DSLLow latency | 140 Mbps | 40 Mbps | 90% of blocks |
Satellite service is filed for essentially every U.S. address and is listed separately: Starlink up to 280 Mbps · Viasat up to 150 Mbps · HughesNet up to 100 Mbps.
Common questions
Internet in Phoenix, AZ, answered from the filings
How many internet providers serve Phoenix, AZ?
FCC filings list 9 internet providers reporting residential service in ZIP 85021, including Quantum Fiber, Cox Fiber, and CenturyLink Fiber. This is an aggregated ZIP-area comparison, so not every provider reaches every address — a OneClickAway agent confirms which ones reach yours before you order.
What is the fastest internet in 85021?
Quantum Fiber reports the highest maximum advertised download speed in Phoenix, AZ at up to 8 Gbps (up to 8 Gbps upload). Actual speeds depend on the plan sold at your address; these are provider-reported maximums, not guarantees.
Is fiber internet available in Phoenix, AZ?
Quantum Fiber, Cox Fiber, and CenturyLink Fiber report fiber service in ZIP 85021. Fiber typically offers symmetrical speeds and lower latency; whether it reaches your specific address is confirmed by your agent before ordering.
Which of these providers can OneClickAway order for me?
OneClickAway is an authorized agent for Xfinity, Frontier, Kinetic by Windstream, Brightspeed, and EarthLink; other brands are listed for comparison and may require ordering directly. Call 888-889-4095 (Mon–Fri 9–6 PT).
Nearby ZIP codes in Maricopa County
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Your agent checks partner plans, current pricing, and installation options at your exact address. You decide whether to order. Monday – Friday, 9 AM – 6 PM (PT).