Confidence: Medium · Source: FCC ULS · As of 2026-09-16
KK4-prefix vanity callsigns coming available
Vanity slots whose callsigns start with KK4. Sorted by availability date — soonest first.
Showing 901– 950 of 4,090
| Callsign | State | Available | Last held | Last holder | Released by |
|---|---|---|---|---|---|
| KK4BE | TN | 2027-02-15in 152d | 2023-02-16 | MATHIS, RAY J | Expired |
| KK4ONH | GA | 2027-02-18in 155d | 2023-02-19 | BAXTER, HAROLD F | Expired |
| KK4ONI | GA | 2027-02-18in 155d | 2023-02-19 | OZMORE, ALAN S | Expired |
| KK4ONK | GA | 2027-02-18in 155d | 2023-02-19 | BECKSTEAD, ROBERT B | Expired |
| KK4ONN | SC | 2027-02-18in 155d | 2023-02-19 | HOOD, PAUL T | Expired |
| KK4ONS | GA | 2027-02-18in 155d | 2023-02-19 | Alexander Jr, Herbert D | Expired |
| KK4ONV | NC | 2027-02-18in 155d | 2023-02-19 | WARD, KENNETH B | Expired |
| KK4ONZ | NC | 2027-02-18in 155d | 2023-02-19 | Williams, Donna S | Expired |
| KK4OOG | FL | 2027-02-18in 155d | 2023-02-19 | Quail, Richard W | Expired |
| KK4OOI | FL | 2027-02-18in 155d | 2023-02-19 | Pollock, David W | Expired |
| KK4OOL | NC | 2027-02-18in 155d | 2023-02-19 | CHANEY, JOHN R | Expired |
| KK4OOM | NC | 2027-02-18in 155d | 2023-02-19 | GRIFFITH, ROBERT F | Expired |
| KK4OOO | NC | 2027-02-18in 155d | 2023-02-19 | KULOW, NANCY R | Expired |
| KK4OOR | NC | 2027-02-18in 155d | 2023-02-19 | LUFFMAN, KELLY | Expired |
| KK4OOS | NC | 2027-02-18in 155d | 2023-02-19 | STEARNS, BRIAN S | Expired |
| KK4OOT | NC | 2027-02-18in 155d | 2023-02-19 | TOJZA, KRZYSZTOF | Expired |
| KK4OOU | NC | 2027-02-18in 155d | 2023-02-19 | ERKMEN, TOLGA | Expired |
| KK4OOV | NC | 2027-02-18in 155d | 2023-02-19 | TORRISI, JOSEPH R | Expired |
| KK4OOY | FL | 2027-02-18in 155d | 2023-02-19 | HUNT, CHRIS E | Expired |
| KK4OOZ | FL | 2027-02-19in 156d | 2023-02-20 | PTEC Radio Club | Expired |
| KK4OPE | SC | 2027-02-20in 157d | 2023-02-21 | MAXEY, STEVEN J | Expired |
| KK4OPF | FL | 2027-02-20in 157d | 2023-02-21 | Hamilton, Charlton | Expired |
| KK4OPH | FL | 2027-02-20in 157d | 2023-02-21 | Monahan, Michael J | Expired |
| KK4OPJ | FL | 2027-02-20in 157d | 2023-02-21 | Mathison, Chris E | Expired |
| KK4OPK | FL | 2027-02-20in 157d | 2023-02-21 | Mackey, Edward A | Expired |
| KK4OPN | FL | 2027-02-20in 157d | 2023-02-21 | Gilbert, Kenneth B | Expired |
| KK4OPO | FL | 2027-02-20in 157d | 2023-02-21 | Rogers, Douglas S | Expired |
| KK4OPR | FL | 2027-02-20in 157d | 2023-02-21 | Dorris, Todd K | Expired |
| KK4OPS | FL | 2027-02-20in 157d | 2023-02-21 | Musselman, David H | Expired |
| KK4OPV | FL | 2027-02-20in 157d | 2023-02-21 | Holston, Amanda C | Expired |
| KK4OPW | FL | 2027-02-20in 157d | 2023-02-21 | Holston, Michael D | Expired |
| KK4OPX | FL | 2027-02-20in 157d | 2023-02-21 | Tharp, Travis P | Expired |
| KK4OQA | AL | 2027-02-20in 157d | 2023-02-21 | Parker, Michael A | Expired |
| KK4OQC | FL | 2027-02-20in 157d | 2023-02-21 | Stroberg, Pamela J | Expired |
| KK4OQD | FL | 2027-02-20in 157d | 2023-02-21 | Stroberg, Jeffery A | Expired |
| KK4OQE | GA | 2027-02-20in 157d | 2023-02-21 | Leggett, Veronica M | Expired |
| KK4OQF | GA | 2027-02-20in 157d | 2023-02-21 | Trierweiler, Thomas B | Expired |
| KK4OQG | VA | 2027-02-20in 157d | 2023-02-21 | White, Timothy G | Expired |
| KK4OQH | VA | 2027-02-20in 157d | 2023-02-21 | Whipple, Timothy J | Expired |
| KK4OQI | VA | 2027-02-20in 157d | 2023-02-21 | Wheeler Jr, Thomas J | Expired |
| KK4OQJ | VA | 2027-02-20in 157d | 2023-02-21 | Vadde, Pavan | Expired |
| KK4OQK | VA | 2027-02-20in 157d | 2023-02-21 | Thambusamy, Punniaraj | Expired |
| KK4OQP | VA | 2027-02-20in 157d | 2023-02-21 | Mukul, Dhruv V | Expired |
| KK4OQQ | VA | 2027-02-20in 157d | 2023-02-21 | Moore Jr, Bryan R | Expired |
| KK4OQR | VA | 2027-02-20in 157d | 2023-02-21 | Maleski, Michael V | Expired |
| KK4OQV | VA | 2027-02-20in 157d | 2023-02-21 | Haycraft, Rhonda | Expired |
| KK4OQZ | VA | 2027-02-20in 157d | 2023-02-21 | Christensen, Peter K | Expired |
| KK4ORF | FL | 2027-02-20in 157d | 2023-02-21 | INFANTE, YANNENLLY J | Expired |
| KK4ORI | AL | 2027-02-21in 158d | 2023-02-22 | Hamaker Jr, Jerry E | Expired |
| KK4ORJ | AL | 2027-02-21in 158d | 2023-02-22 | Winslett, William D | Expired |