The Federal Communications Commission (FCC) has granted a total of 24 licenses and call signs in the category of Vanity license in Humacao, 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 |
|---|---|---|
| KP4ACF | CRUZ FLECHA, AMALIO | 2015-04-23 |
| KP4BHC | JIMENEZ, JUAN R | 2019-10-22 |
| KP4CID | Berrios Gonzalez, Jose C | 2015-12-04 |
| KP4DDF | DELGADO FONTANEZ, DANIEL | 2017-08-02 |
| KP4ES | PUERTO RICO AMATEUR RADIO LEAGUE | 2017-01-23 |
| KP4IRR | RIVAS-RIVERA, ISRAEL | 2015-01-15 |
| KP4JFM | FIGUEROA MARQUEZ, JOHNNY | 2019-04-12 |
| KP4JLH | LUZUNARIS HERNANDEZ, JUANA M | 2022-04-29 |
| KP4LAL | LAUSELL, LUIS A | 2019-03-22 |
| KP4LES | SANTIAGO, LUIS E | 2016-10-19 |
| KP4MCR | CONTRERAS ROSADO, MIGUEL A | 2019-10-16 |
| KP4MRT | Maranatha Civil Emergency Life Support Group And Communication Kp4jf | 2018-08-28 |
| KP4WMC | MEDINA CARDONA, WILLIAM | 2020-02-26 |
| KP4WSC | SEVILLA, WILFREDO | 2014-01-10 |
| KY4AA | Radio Club Mala Hierba Azul | 2011-11-09 |
| N4AKO | Totten, Maria Joana B | 2014-06-14 |
| N4GN | TOTTEN, TIMOTHY B | 2016-08-11 |
| NP4G | Vicens, Jose C | 2018-03-22 |
| NP4JB | Berrios Gonzalez, Jose C | 2016-08-09 |
| NP4TT | Radio Club Mala Hierba Azul | 2021-06-15 |
| WP4I | RODRIGUEZ-RODRIGUEZ, ANTHONY | 2021-09-18 |
| WP4JNC | Rivera-Vazquez, Juan C | 2018-12-27 |
| WP4RV | Vargas-Burgos, Roberto | 2023-01-06 |
| WP4RW | RIVERA DELGADO, ELISEO | 2022-03-24 |
