Federal Communications Commission (FCC) has granted 443 radio service licenses and call signs in Ontario, 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 | 263 |
| General Mobile Radio (GMRS) licenses | 80 |
| Restricted Operator licenses | 40 |
| Vanity licenses | 37 |
| Aircraft licenses | 19 |
| Ship Recreational or Voluntarily Equipped licenses | 4 |
