The Federal Communications Commission (FCC) has granted a total of 18 licenses and call signs in the category of Vanity license in Las Piedras, 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 |
|---|---|---|
| KP3H | HERNADEZ, DANIEL | 2017-03-12 |
| KP4AJC | CALDERON, ADRIAN J | 2021-02-25 |
| KP4AY | CARRASQUILLO, LUIS | 2019-06-04 |
| KP4BD | Las Piedras DX Group | 2019-07-19 |
| KP4BO | Asociacion De Radioaficionados De Puerto Rico Inc | 2016-08-12 |
| KP4EBM | BERRIOS, EMMANUEL | 2009-09-10 |
| KP4EGM | Gomez-Merced, Edward | 2012-12-07 |
| KP4FBI | BAEZ, ZORAIDA | 2019-06-04 |
| KP4GVF | VILA FIGUEROA, GILBERTO | 2009-03-07 |
| KP4HC | CARRASQUILLO, HECTOR | 2019-06-04 |
| KP4MF | Mendez-Alvarado, Felix A | 2022-05-10 |
| KP4WMM | Martinez Mendez, Wilfredo | 2015-11-06 |
| N4NDL | De Leon-Diaz, Nelson | 2020-07-24 |
| NP4DT | De Leon-Diaz, Nelson | 2019-03-22 |
| NP4ED | Gomez-Merced, Edward | 2019-03-22 |
| WP3AV | Zayas-Lopez, Ismael | 2022-10-04 |
| WP3SG | Diaz Alequin, Pablo | 2019-09-25 |
| WP4DCZ | RUCCI, HECTOR G | 2006-08-08 |
