Federal Communications Commission (FCC) has granted 355 radio service licenses and call signs in San Carlos, 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 | 206 |
| General Mobile Radio (GMRS) licenses | 51 |
| Vanity licenses | 33 |
| Restricted Operator licenses | 26 |
| Ship Recreational or Voluntarily Equipped licenses | 21 |
| Aircraft licenses | 14 |
| Ship Compulsory Equipped licenses | 4 |
