Phoenix, AZ vs San Diego, CA: internet compared
Thinking of moving between Phoenix and San Diego? Here is how home internet compares in the two cities, based on FCC data as of December 31, 2025 and Census statistics.
San Diego, CA leads for fiber availability (40% vs 27%). Phoenix, AZ leads for gigabit-class availability (73% vs 68%).
| Phoenix, AZ | San Diego, CA | |
|---|---|---|
| Residents | 1,624,832 | 1,385,061 |
| Median household income | $77,041 | $104,321 |
| Can get fiber | 27% | 40% |
| Can get cable | 74% | 90% |
| Can get DSL | 55% | 53% |
| Can get fixed wireless | 98% | 82% |
| Can get gigabit | 73% | 68% |
| Households with broadband | 90% | 95% |
Top providers
| Phoenix, AZ | San Diego, CA |
|---|---|
| Cox: 89% | AT&T: 85% |
| CenturyLink / Quantum Fiber: 86% | T-Mobile Home Internet: 71% |
| Wi-Fiber: 77% | Verizon: 58% |
| T-Mobile Home Internet: 70% | Cox: 49% |
| AT&T: 56% | Spectrum: 46% |
Coverage percentages are the share of residential locations where each provider reports service. Availability varies by address.
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