The table below shows cell phone coverage around Area 51 for the major providers as of December 2021. Coverage typically includes the entire valley where the site is located. Corrections/updates are welcome.
| Location | Verizon Wireless | Sprint | AT&T | T-Mobile | Page Plus Prepaid | |
| Coyote Springs Valley (south of Alamo) | 4G | Roam | 4G | -- | 4G | |
| Alamo | 4G | Roam | 4G | -- | 4G | |
| Rachel | 4G | -- | 4G(*) | -- | 4G | |
| Warm Springs | -- | Extended | Roam | 4G | -- | |
| Tonopah | 4G | 4G | 4G | 4G | 4G | |
| US-95 Vegas-Tonopah | 4G | Extended/4G | 4G | 4G | 4G | |
| -- = No coverage | ||||||
(*) - As of 12/21: Coverage coming soon