Confidence: Medium · Source: FCC ULS · As of 2026-09-19
KK4-prefix vanity callsigns coming available
Vanity slots whose callsigns start with KK4. Sorted by availability date — soonest first.
Showing 3,951– 4,000 of 4,065
| Callsign | State | Available | Last held | Last holder | Released by |
|---|---|---|---|---|---|
| KK4ZSN | KY | 2028-03-26in 553d | 2024-03-27 | Eadens, Ethan E | Expired |
| KK4ZSO | KY | 2028-03-26in 553d | 2024-03-27 | Wright, Freddy G | Expired |
| KK4ZSP | KY | 2028-03-26in 553d | 2024-03-27 | Taylor, Shawn M | Expired |
| KK4ZSQ | KY | 2028-03-26in 553d | 2024-03-27 | Porter, Rickey D | Expired |
| KK4ZSS | KY | 2028-03-26in 553d | 2024-03-27 | Duke, Seth M | Expired |
| KK4ZST | KY | 2028-03-26in 553d | 2024-03-27 | Schell, John C | Expired |
| KK4ZSU | KY | 2028-03-26in 553d | 2024-03-27 | Swift, Marcus C | Expired |
| KK4ZSW | KY | 2028-03-26in 553d | 2024-03-27 | Tarrants Jr, Bob R | Expired |
| KK4ZTA | FL | 2028-03-26in 553d | 2024-03-27 | Smith, Gregory R | Expired |
| KK4ZTB | FL | 2028-03-26in 553d | 2024-03-27 | Bland, Dujunnea A | Expired |
| KK4ZTC | FL | 2028-03-26in 553d | 2024-03-27 | LeFave, Timothy K | Expired |
| KK4ZTD | FL | 2028-03-26in 553d | 2024-03-27 | Pierson, Frederick R | Expired |
| KK4ZTF | GA | 2028-03-26in 553d | 2024-03-27 | DELBERT, JOSEPH L | Expired |
| KK4ZTJ | FL | 2028-03-27in 554d | 2024-03-28 | Haupt, Edwin G | Expired |
| KK4ZTK | FL | 2028-03-27in 554d | 2024-03-28 | Bauzenberger Sr, Craig F | Expired |
| KK4ZTL | FL | 2028-03-27in 554d | 2024-03-28 | Elwell, Richard R | Expired |
| KK4ZTM | FL | 2028-03-27in 554d | 2024-03-28 | Oberholtzer, Jeffrey C | Expired |
| KK4ZTN | FL | 2028-03-27in 554d | 2024-03-28 | Kaplan, Daniel J | Expired |
| KK4ZTO | FL | 2028-03-27in 554d | 2024-03-28 | Evelo, Christopher S | Expired |
| KK4ZTQ | FL | 2028-03-27in 554d | 2024-03-28 | VanTassel, Brian J | Expired |
| KK4ZTV | FL | 2028-03-27in 554d | 2024-03-28 | Caraballo, Guillermo | Expired |
| KK4ZTX | TX | 2028-03-27in 554d | 2024-03-28 | Salvitti, Donato G | Expired |
| KK4ZTZ | KY | 2028-03-27in 554d | 2024-03-28 | MEYER, TYLER L | Expired |
| KK4PZZ | FL | 2028-03-28in 555d | 2024-03-29 | HUGHES, MICHAEL A | Expired |
| KK4ZUA | NC | 2028-03-30in 557d | 2024-03-31 | DOMBROSKY, DAVID J | Expired |
| KK4ZUB | NC | 2028-03-30in 557d | 2024-03-31 | BRITT, RICHIE T | Expired |
| KK4ZUC | NC | 2028-03-30in 557d | 2024-03-31 | BLACKROCK, RICKEY A | Expired |
| KK4ZUD | GA | 2028-03-30in 557d | 2024-03-31 | Uberto, Richard J | Expired |
| KK4ZUF | GA | 2028-03-30in 557d | 2024-03-31 | Uberto, Gretchen G | Expired |
| KK4ZUG | GA | 2028-03-30in 557d | 2024-03-31 | Soscia, Anthony | Expired |
| KK4ZUJ | FL | 2028-03-30in 557d | 2024-03-31 | Fields, Anne R | Expired |
| KK4ZUM | FL | 2028-03-30in 557d | 2024-03-31 | Dreke, Scott R | Expired |
| KK4ZUN | FL | 2028-03-30in 557d | 2024-03-31 | Furman, Stephen L | Expired |
| KK4ZUS | VA | 2028-03-30in 557d | 2024-03-31 | Clark, Kevin T | Expired |
| KK4ZUT | VA | 2028-03-30in 557d | 2024-03-31 | Gregory, Serge | Expired |
| KK4ZUX | VA | 2028-03-30in 557d | 2024-03-31 | Gull, Nikolas J | Expired |
| KK4ZVA | VA | 2028-03-30in 557d | 2024-03-31 | Sobers Jr, David M | Expired |
| KK4ZVC | KY | 2028-03-30in 557d | 2024-03-31 | Hankins, Marjorie E | Expired |
| KK4ZVG | VA | 2028-03-31in 558d | 2024-04-01 | Sukkho, Kittinan | Expired |
| KK4ZVH | VA | 2028-03-31in 558d | 2024-04-01 | Surapagit, Saravut | Expired |
| KK4ZVJ | FL | 2028-03-31in 558d | 2024-04-01 | Meechusak, Kittirat | Expired |
| KK4ZVK | FL | 2028-03-31in 558d | 2024-04-01 | Sutthikul, Sumet | Expired |
| KK4ZVL | FL | 2028-03-31in 558d | 2024-04-01 | Gantiya, Suriyan | Expired |
| KK4ZVM | VA | 2028-03-31in 558d | 2024-04-01 | Nooma, Ukrit | Expired |
| KK4ZVN | FL | 2028-03-31in 558d | 2024-04-01 | Serbsaila, Thitirat | Expired |
| KK4ZVY | FL | 2028-03-31in 558d | 2024-04-01 | COLE, BETH A | Expired |
| KK4ZVZ | FL | 2028-04-01in 559d | 2024-04-02 | Brunotte, Michael B | Expired |
| KK4ZWD | FL | 2028-04-01in 559d | 2024-04-02 | LaFont, Douglas B | Expired |
| KK4ZWG | FL | 2028-04-01in 559d | 2024-04-02 | O'Brien, Daniel | Expired |
| KK4ZWI | FL | 2028-04-01in 559d | 2024-04-02 | Terneus, Robert B | Expired |