The Federal Communications Commission (FCC) has granted 15 radio service licenses and call signs in Rio Blanco, Puerto Rico. Select a call sign from the table below to view its details such as the date of authorization, expiration date, service description, and so forth.
| Name | Address, Zip |
|---|---|
| RR00006537 | PMB 011, PO Box 760, 00744 |
| WP3NH | PO Box 66, 00744 |
| WP4ITK | PO BOX 330, 00744 |
| WP4ITL | PO BOX 330, 00744 |
| WP4OHQ | PO Box 679, 00744 |
| WP4OTQ | PO Box 13, 00744 |
| WP4QQH | PO Box 693, 00744 |
| WP4QVA | PO Box 655, 00744 |
| WP4SN | PO Box 458, 00744 |
| WRDM351 | PO Box 693, PO Box 00744-0693, 00744 |
| WRFD472 | PO Box 13, 00744 |
| WRKB950 | PO Box 330, 00744 |
| WRKB954 | PO Box 482, 00744 |
| WRKB960 | PO Box 330, 00744 |
| WRNT949 | PO BOX 330, 00744 |
