Federal Communications Commission (FCC) has granted 154 radio service licenses and call signs in Columbia City, Indiana. 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 | 104 |
| Vanity licenses | 22 |
| General Mobile Radio (GMRS) licenses | 21 |
| Restricted Operator licenses | 7 |
