Federal Communications Commission (FCC) has granted 112 radio service licenses and call signs in Greenfield, Wisconsin. 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 | 74 |
| Vanity licenses | 15 |
| General Mobile Radio (GMRS) licenses | 14 |
| Restricted Operator licenses | 8 |
| Ship Compulsory Equipped licenses | 1 |
