Federal Communications Commission (FCC) has granted 569 radio service licenses and call signs in Mercer Island, Washington. 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 | 210 |
| Ship Recreational or Voluntarily Equipped licenses | 153 |
| Restricted Operator licenses | 70 |
| Vanity licenses | 64 |
| General Mobile Radio (GMRS) licenses | 43 |
| Aircraft licenses | 17 |
| Ship Compulsory Equipped licenses | 12 |
