Federal Communications Commission (FCC) has granted 367 radio service licenses and call signs in Brentwood, California. Select a service category from the following table to research licenses and call signs in that category.
| Radio Service Category | Number of Licenses |
|---|---|
| Amateur licenses | 221 |
| General Mobile Radio (GMRS) licenses | 68 |
| Vanity licenses | 35 |
| Restricted Operator licenses | 29 |
| Ship Recreational or Voluntarily Equipped licenses | 11 |
| Aircraft licenses | 3 |
