The Federal Communications Commission (FCC) has granted 19 radio service licenses and call signs in Las Marias, 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 |
|---|---|
| KF4VYH | HC1 Box 4196, 00670 |
| KP4GR | PO BOX 419, 00670 |
| KP4UVA | HC 01 BOX 3195, 00670 |
| NP3IH | HC 1 BOX 4545, 00670 |
| NP3LM | HC2 Box 9927, 00670 |
| NP4SQ | PO Box 62, 00670 |
| WB2KJB | PO Box 313, 00670 |
| WP4GEJ | HC 1 BOX 4073, 00670 |
| WP4OSK | HC01 BOX 3501, 00670 |
| WP4PJH | PO Box 159, 00670 |
| WP4RDY | HC 1 BOX 3195, 00670 |
| WP4RIA | HC2 Box 9927, 00670 |
| WP4ROQ | PO BOX 419, 00670 |
| WP4RPU | PO BOX 419, 00670 |
| WP4SPH | HC 1 BOX 3882, 00670 |
| WP4SPI | HC 1 BOX 3177, 00670 |
| WRFS734 | HC 1 BOX 3332, 00670 |
| WRTG555 | HC01 BOX 3195, PO Box 00670, 00670 |
| WRTI519 | Car 119 km 57.2, PO Box HC01, 00670 |
