The Federal Communications Commission (FCC) has granted a total of 14 licenses and call signs in the category of Vanity license in Rio Grande, 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.
| Call Sign | License Holder Name | Date of Authorization |
|---|---|---|
| KP4CGM | GARCIA MARTINEZ, CARMEN A | 2015-12-15 |
| KP4DXC | NORTHEASTERN DX CLUB | 2019-06-29 |
| KP4GQ | QUINONES RODRIGUEZ, GILBERTO | 2020-07-09 |
| KP4ISG | SANTOS GONZALEZ, ISRAEL | 2015-03-24 |
| KP4JDL | DE LEON REYES, JORGE W | 2021-09-14 |
| KP4JEA | Aulet, Julio E | 2022-04-19 |
| KP4JFL | LOPEZ, JOSE F | 2022-05-19 |
| KP4OMC | Acevedo Tomasini, Edwin A | 2012-01-27 |
| KP4RGC | Rio Grande Ham Radio Club | 2019-06-07 |
| KP4TOP | BERRIOS, JUAN A | 2018-05-15 |
| KP4WXU | APONTE RIVERA, FERDINAND G | 2017-06-17 |
| NP4VO | LOPEZ, JOSE F | 2022-09-09 |
| WP3WX | Rio Grande Amateur Radio Service | 2018-11-27 |
| WP4AC | Agosto-Gautier, Carlos L | 2015-09-29 |
