Confidence: Medium · Source: FCC ULS · As of 2026-09-18
KK4-prefix vanity callsigns coming available
Vanity slots whose callsigns start with KK4. Sorted by availability date — soonest first.
Showing 1,901– 1,950 of 4,075
| Callsign | State | Available | Last held | Last holder | Released by |
|---|---|---|---|---|---|
| KK4RTF | VA | 2027-06-09in 263d | 2023-06-10 | BOOKOUT, JENNIFER | Expired |
| KK4RTH | VA | 2027-06-09in 263d | 2023-06-10 | HOWELL, WILLIAM M | Expired |
| KK4RTJ | VA | 2027-06-09in 263d | 2023-06-10 | STUBBS, JESSICA K | Expired |
| KK4RTK | NC | 2027-06-09in 263d | 2023-06-10 | Bailey, Rachael L | Expired |
| KK4RTL | NC | 2027-06-09in 263d | 2023-06-10 | Bailey, Robert J | Expired |
| KK4RTM | FL | 2027-06-09in 263d | 2023-06-10 | Williams, Daniel T | Expired |
| KK4RTN | TN | 2027-06-09in 263d | 2023-06-10 | Kirk, Clint D | Expired |
| KK4RTR | SC | 2027-06-09in 263d | 2023-06-10 | ADAMS, LAYTON H | Expired |
| KK4RTS | SC | 2027-06-09in 263d | 2023-06-10 | KOSCIUCH, JAMES M | Expired |
| KK4RTT | SC | 2027-06-09in 263d | 2023-06-10 | SEBIRE, ROBERT J | Expired |
| KK4RTU | SC | 2027-06-09in 263d | 2023-06-10 | KOSCIUCH, RONALD J | Expired |
| KK4RUC | SC | 2027-06-09in 263d | 2023-06-10 | PACKER, SPENCER H | Expired |
| KK4RUD | SC | 2027-06-09in 263d | 2023-06-10 | CLARK, TYLER L | Expired |
| KK4RUE | SC | 2027-06-09in 263d | 2023-06-10 | DAVIES, ANDREA J | Expired |
| KK4RUH | FL | 2027-06-09in 263d | 2023-06-10 | NICHOLS, DANE A | Expired |
| KK4RUK | SC | 2027-06-09in 263d | 2023-06-10 | BEE, RONALD W | Expired |
| KK4RUL | TN | 2027-06-09in 263d | 2023-06-10 | Harris, James F | Expired |
| KK4RUN | FL | 2027-06-09in 263d | 2023-06-10 | COPELAND, WENDY I | Expired |
| KK4RUP | FL | 2027-06-09in 263d | 2023-06-10 | FALER, WESLEY G | Expired |
| KK4RUU | VA | 2027-06-09in 263d | 2023-06-10 | BARNUM, CHARLES L | Expired |
| KK4RUV | VA | 2027-06-09in 263d | 2023-06-10 | PAULSON, ANTHONY E | Expired |
| KK4RVA | SC | 2027-06-10in 264d | 2023-06-11 | Floyd, Ernest C | Expired |
| KK4RVK | TN | 2027-06-11in 265d | 2023-06-12 | HOWARD, JAMES T | Expired |
| KK4RVL | FL | 2027-06-11in 265d | 2023-06-12 | STARR, MARK E | Expired |
| KK4RVM | FL | 2027-06-11in 265d | 2023-06-12 | BOYCE, WILLIAM H | Expired |
| KK4RVN | AL | 2027-06-12in 266d | 2023-06-13 | Stough, Brian C | Expired |
| KK4RVT | TN | 2027-06-12in 266d | 2023-06-13 | McCain, Andrew L | Expired |
| KK4RVZ | NC | 2027-06-12in 266d | 2023-06-13 | Powell, Matthew C | Expired |
| KK4RWE | GA | 2027-06-12in 266d | 2023-06-13 | Frost, Donald | Expired |
| KK4RWF | TN | 2027-06-12in 266d | 2023-06-13 | Abercrombie, James E | Expired |
| KK4BH | TN | 2027-06-13in 267d | 2023-06-14 | BJORKLUND, KEN N | Expired |
| KK4RWI | TN | 2027-06-13in 267d | 2023-06-14 | Wright, John E | Expired |
| KK4RWL | FL | 2027-06-13in 267d | 2023-06-14 | Ryan, Peter J | Expired |
| KK4RWO | GA | 2027-06-13in 267d | 2023-06-14 | Mecredy, James M | Expired |
| KK4RWP | GA | 2027-06-13in 267d | 2023-06-14 | Banez, Mario | Expired |
| KK4RWQ | GA | 2027-06-13in 267d | 2023-06-14 | Sherman, Diane O | Expired |
| KK4RWS | GA | 2027-06-13in 267d | 2023-06-14 | George, Bryce R | Expired |
| KK4RWT | GA | 2027-06-13in 267d | 2023-06-14 | Clewis Jr, Randy L | Expired |
| KK4RWV | GA | 2027-06-13in 267d | 2023-06-14 | Thomas, Dorothy A | Expired |
| KK4RXB | FL | 2027-06-13in 267d | 2023-06-14 | Gardner Jr, Carl W | Expired |
| KK4RXD | NC | 2027-06-13in 267d | 2023-06-14 | North, Moriah L | Expired |
| KK4RXH | GA | 2027-06-13in 267d | 2023-06-14 | OST Radio Club | Expired |
| KK4QKV | GA | 2027-06-14in 268d | 2023-06-15 | BRAGG, JOHN I | Expired |
| KK4RXL | AL | 2027-06-16in 270d | 2023-06-17 | Watkins, Donald R | Expired |
| KK4RXQ | FL | 2027-06-16in 270d | 2023-06-17 | Findley, Thomas M | Expired |
| KK4RXS | FL | 2027-06-16in 270d | 2023-06-17 | Bowen, Robert W | Expired |
| KK4RXW | FL | 2027-06-16in 270d | 2023-06-17 | BAKER, RUTH R | Expired |
| KK4RXX | FL | 2027-06-16in 270d | 2023-06-17 | DIAZ, JESUS M | Expired |
| KK4RYA | FL | 2027-06-16in 270d | 2023-06-17 | FULTON, ROBERT G | Expired |
| KK4RYC | GA | 2027-06-16in 270d | 2023-06-17 | HOLLEY, NOEL J | Expired |