Confidence: Medium · Source: FCC ULS · As of 2026-09-09
NP4-prefix vanity callsigns coming available
Vanity slots whose callsigns start with NP4. Sorted by availability date — soonest first.
Showing 1– 7 of 7
| Callsign | State | Available | Last held | Last holder | Released by |
|---|---|---|---|---|---|
| NP4YZ | PA | 2027-06-18in 282d | 2023-06-19 | SANTIAGO, LUIS G | Expired |
| NP4ST | PR | 2027-07-26in 320d | 2023-07-27 | VELAZQUEZ RUIZ, JOSE L | Expired |
| NP4AO | MA | 2027-08-12in 337d | 2023-08-13 | ORTIZ, ALANIS N | Expired |
| NP4HC | PR | 2028-02-07in 516d | 2026-02-07 | COLLAZO-VEGA, HENRY | Cancelled |
| NP4ZJ | PR | 2028-03-04in 542d | 2024-03-05 | FELIX, MUNIZ | Expired |
| NP4FM | PR | 2028-03-21in 559d | 2024-03-22 | GONZALEZ JR, JOSE M | Expired |
| NP4JN | PR | 2028-03-23in 561d | 2026-03-24 | SOTO, HEBER M | Cancelled |