Federal Communications Commission (FCC) has granted 285 radio service licenses and call signs in Sioux City, Iowa. 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 | 172 |
| Restricted Operator licenses | 34 |
| General Mobile Radio (GMRS) licenses | 29 |
| Vanity licenses | 28 |
| Aircraft licenses | 19 |
| Ship Compulsory Equipped licenses | 2 |
| Ship Recreational or Voluntarily Equipped licenses | 1 |
