Federal Communications Commission (FCC) has granted 85 radio service licenses and call signs in Castroville, Texas. 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 | 48 |
| General Mobile Radio (GMRS) licenses | 19 |
| Vanity licenses | 13 |
| Restricted Operator licenses | 5 |
