The Federal Communications Commission (FCC) has granted a total of 46 licenses and call signs in the category of Amateur license in Hormigueros, 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 |
|---|---|---|
| KP4BLA | RIOS CARVAJAL, WILFREDO | 2017-01-04 |
| KP4BS | PAGAN ZAPATA SR, CARLOS | 2011-03-10 |
| KP4BV | CRUZ CRUZ SR, ANTONIO | 2015-11-17 |
| KP4FLD | ANDUJAR, JOSE L | 2016-09-13 |
| KP4QX | CARDONA LOPEZ, TOMAS | 2020-08-12 |
| KP4ZY | Moreno Cueto, Jose C | 2014-08-20 |
| NP3YM | IRIZARRY, EDWIN T | 2010-06-02 |
| NP4O | CALERO, NOMAR | 2018-06-20 |
| NP4QD | ALBINO RIVERA, LORENZO | 2006-03-03 |
| WP3PI | Ciordia-Fajardo, Rafael A | 2013-12-13 |
| WP3ZG | Hernandez-Montalvo, Efrain | 2013-09-18 |
| WP4DLB | DE LA ROSA, ISMAEL | 2004-09-21 |
| WP4FAW | DEL TORO, JOSE M | 2006-07-19 |
| WP4FM | NEGRON, JOSE R | 2008-09-03 |
| WP4GHQ | RAMIREZ NIEVES, JOSE | 2016-09-30 |
| WP4LJJ | LOPEZ VELEZ, JAVIER | 2004-01-21 |
| WP4MVO | MATOS ACOSTA, LOWEL | 2015-11-04 |
| WP4NWP | OLIVENCIA-MINGUELA, ESTHER M | 2018-05-02 |
| WP4OYB | Perez-Jimenez, Sally A | 2014-04-07 |
| WP4OYN | Astacio-Torres, Angel L | 2014-04-07 |
| WP4PQC | Martinez Encarnacion, Cristina | 2016-02-09 |
| WP4PQG | Vazquez Cardona, Carlos B | 2016-02-10 |
| WP4QIG | RIVERA TORRES, EVAN | 2018-08-29 |
| WP4QIQ | LUCIANO CINTRON, PEDRO | 2018-08-30 |
| WP4QKC | NEGRON DIAZ, ORLANDO J | 2018-09-06 |
| WP4QKO | RAMIREZ TORO, NOE | 2018-10-09 |
| WP4QVQ | GREENE-RODRIGUEZ, CARMEN N | 2018-12-03 |
| WP4QYK | Quinones-Velazquez, Antonio R | 2019-02-27 |
| WP4QZN | Perez Ortiz, Joel | 2019-03-08 |
| WP4RAW | Santiago-Santana, Ivan | 2019-03-18 |
| WP4RAY | Riviera-Rodriguez, Angel L | 2019-03-18 |
| WP4RFH | GUADALUPE LORENZO, ELBIN | 2019-08-19 |
| WP4RKI | SILVA COLLAZO, AMY E | 2020-02-06 |
| WP4RKK | Ronda-Santiago, Daniel | 2020-02-06 |
| WP4RLA | RODRIGUEZ VIVALDI, MARIA E | 2020-02-24 |
| WP4RMK | RAMIREZ PAGAN, LUIS M | 2020-06-01 |
| WP4RML | TORO RIVERA, LETICIA | 2020-06-01 |
| WP4RTT | RIVERA TORRES, EVAN | 2021-05-17 |
| WP4RYZ | BONILLA VEGA, SIXTO A | 2021-08-16 |
| WP4RZC | STRICKER MUNIZ, TOMAS | 2021-08-16 |
| WP4SKG | SURCANDO LA HISTORIA AMATEUR RADIO CLUB | 2022-06-22 |
| WP4SMS | DIODONET JUSTINIANO, HECTOR | 2022-07-21 |
| WP4SPA | OLIVARES, GENARO | 2022-08-10 |
| WP4SPE | SANTOS RODRIGUEZ, YESENIA | 2022-08-10 |
| WP4SPN | VELEZ SANTOS, YADIEL | 2022-08-10 |
| WP4SPP | SWEET FRUITS ON AIR AMATEUR RADIO CLUB | 2022-08-16 |
