Federal Communications Commission (FCC) has granted 217 radio service licenses and call signs in Greenwich, Connecticut. 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 | 48 |
| Aircraft licenses | 46 |
| Ship Recreational or Voluntarily Equipped licenses | 44 |
| Restricted Operator licenses | 40 |
| General Mobile Radio (GMRS) licenses | 18 |
| Ship Compulsory Equipped licenses | 14 |
| Vanity licenses | 7 |
