Federal Communications Commission (FCC) has granted 67 radio service licenses and call signs in Trinity, Texas. Select a service category from the following table to research licenses and call signs in that category.
| Radio Service Category | Number of Licenses |
|---|---|
| Restricted Operator licenses | 28 |
| Amateur licenses | 26 |
| Vanity licenses | 9 |
| General Mobile Radio (GMRS) licenses | 4 |
