Phoenix, AZ vs San Francisco, CA: internet compared
Thinking of moving between Phoenix and San Francisco? Here is how home internet compares in the two cities, based on FCC data as of December 31, 2025 and Census statistics.
San Francisco, CA leads for fiber availability (44% vs 27%). Phoenix, AZ and San Francisco, CA are about even for gigabit-class availability.
| Phoenix, AZ | San Francisco, CA | |
|---|---|---|
| Residents | 1,624,832 | 836,321 |
| Median household income | $77,041 | $141,446 |
| Can get fiber | 27% | 44% |
| Can get cable | 74% | 97% |
| Can get DSL | 55% | 23% |
| Can get fixed wireless | 98% | 99%+ |
| Can get gigabit | 73% | 74% |
| Households with broadband | 90% | 92% |
Top providers
| Phoenix, AZ | San Francisco, CA |
|---|---|
| Cox: 89% | Xfinity: 98% |
| CenturyLink / Quantum Fiber: 86% | AT&T: 97% |
| Wi-Fiber: 77% | Unwired: 94% |
| T-Mobile Home Internet: 70% | Etheric Communications: 77% |
| AT&T: 56% | T-Mobile Home Internet: 73% |
Coverage percentages are the share of residential locations where each provider reports service. Availability varies by address.
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Internet in Phoenix, AZ · Internet in San Francisco, CA · Compare any two ZIP codes · Rankings