The coverage map shows the signal strength of native (non-roaming) coverage in San Diego.
San Diego has 7,364 map hexes within its boundaries.
| Network | 4G Coverage | 5G Coverage |
|---|---|---|
| AT&T | 97% | 93% |
| T-Mobile | 98% | 91% |
| Verizon | 100% | 97% |
| Dish | 0% | 54% |
Coverage data for San Diego comes from the FCC's Broadband Data Collection program and is supplemented with crowdsourced measurements. The current FCC data comes from the May 2025 release and represents coverage as of December 2024. New FCC data comes out about every six months.