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 4,001– 4,050 of 4,065
| Callsign | State | Available | Last held | Last holder | Released by |
|---|---|---|---|---|---|
| KK4ZWJ | FL | 2028-04-01in 559d | 2024-04-02 | Terneus Sr, William F | Expired |
| KK4ZWK | FL | 2028-04-01in 559d | 2024-04-02 | Vorndran, Drake A | Expired |
| KK4ZWL | FL | 2028-04-01in 559d | 2024-04-02 | Winans, Travis M | Expired |
| KK4ZWO | GA | 2028-04-01in 559d | 2024-04-02 | Walker, Jimmy D | Expired |
| KK4ZWP | NC | 2028-04-01in 559d | 2024-04-02 | Turnage, Marilyn W | Expired |
| KK4ZWQ | NC | 2028-04-01in 559d | 2024-04-02 | Turnage, Justin R | Expired |
| KK4ZWZ | VA | 2028-04-01in 559d | 2024-04-02 | PARKER, WILTON F | Expired |
| KK4ZXB | VA | 2028-04-01in 559d | 2024-04-02 | TAYLOR, FRANCINE G | Expired |
| KK4ZXE | VA | 2028-04-01in 559d | 2024-04-02 | JORGENSEN, JAMES | Expired |
| KK4UAP | VA | 2028-04-02in 560d | 2026-04-03 | Reyes Rivera, Joel | Cancelled |
| KK4ZXF | GA | 2028-04-02in 560d | 2024-04-03 | Spry, Tim L | Expired |
| KK4ZXG | GA | 2028-04-02in 560d | 2024-04-03 | Pilote, Marc J | Expired |
| KK4ZXH | GA | 2028-04-02in 560d | 2024-04-03 | Luca, Charles D | Expired |
| KK4ZXL | TN | 2028-04-02in 560d | 2024-04-03 | Roberson, Samantha J | Expired |
| KK4ZXM | TN | 2028-04-02in 560d | 2024-04-03 | Roberson, James N | Expired |
| KK4ZXN | SC | 2028-04-02in 560d | 2024-04-03 | Kaufman, Charles C | Expired |
| KK4ZXO | SC | 2028-04-02in 560d | 2024-04-03 | Vaughan, Susan J | Expired |
| KK4ZXP | SC | 2028-04-02in 560d | 2024-04-03 | McNamara, Matthew | Expired |
| KK4ZXQ | SC | 2028-04-02in 560d | 2024-04-03 | Traphagen-Frericks, Ty J | Expired |
| KK4ZXR | SC | 2028-04-02in 560d | 2024-04-03 | Formisano, Mario G | Expired |
| KK4ZXS | SC | 2028-04-02in 560d | 2024-04-03 | Dangerfield, Roger L | Expired |
| KK4ZXT | GA | 2028-04-02in 560d | 2024-04-03 | QUINN, MARK C | Expired |
| KK4ZXU | GA | 2028-04-02in 560d | 2024-04-03 | WILSON, ASHER M | Expired |
| KK4ZXV | VA | 2028-04-03in 561d | 2024-04-04 | Darby Sr, David L | Expired |
| KK4ZXW | VA | 2028-04-03in 561d | 2024-04-04 | Larkins, William D | Expired |
| KK4ZXX | VA | 2028-04-03in 561d | 2024-04-04 | Moran, Robert B | Expired |
| KK4ZXY | VA | 2028-04-03in 561d | 2024-04-04 | Meador, Bradley D | Expired |
| KK4ZXZ | VA | 2028-04-03in 561d | 2024-04-04 | Meador, Corey D | Expired |
| KK4ZYA | VA | 2028-04-03in 561d | 2024-04-04 | Hamill, Willard M | Expired |
| KK4ZYD | GA | 2028-04-03in 561d | 2024-04-04 | Cook, Benjie P | Expired |
| KK4ZYG | KY | 2028-04-03in 561d | 2024-04-04 | Roccio, Robert J | Expired |
| KK4ZYH | AL | 2028-04-06in 564d | 2024-04-07 | Bishop, Kenneth D | Expired |
| KK4ZYI | AL | 2028-04-06in 564d | 2024-04-07 | Ellsworth, Christopher C | Expired |
| KK4ZYK | AL | 2028-04-06in 564d | 2024-04-07 | Hull, Armon W | Expired |
| KK4ZYL | AL | 2028-04-06in 564d | 2024-04-07 | King, Paul G | Expired |
| KK4ZYP | AL | 2028-04-06in 564d | 2024-04-07 | Miller, William JP | Expired |
| KK4ZYS | AL | 2028-04-06in 564d | 2024-04-07 | Stark, Dennis M | Expired |
| KK4ZYV | AL | 2028-04-06in 564d | 2024-04-07 | Wagner, Christopher S | Expired |
| KK4ZYW | FL | 2028-04-06in 564d | 2024-04-07 | Charlotte Amateur Radio Society | Expired |
| KK4ZYZ | TN | 2028-04-06in 564d | 2024-04-07 | JONES, THOMAS M | Expired |
| KK4ZZA | NC | 2028-04-06in 564d | 2024-04-07 | CURTIS, ROBIN S | Expired |
| KK4ZZH | NC | 2028-04-06in 564d | 2024-04-07 | ORTIZ, RAY F | Expired |
| KK4ZZI | AL | 2028-04-06in 564d | 2024-04-07 | Ahouansou, Arnold D | Expired |
| KK4ZZK | AL | 2028-04-06in 564d | 2024-04-07 | Box, Jeremy T | Expired |
| KK4ZZL | AL | 2028-04-06in 564d | 2024-04-07 | Scissum, Kuni J | Expired |
| KK4ZZQ | SC | 2028-04-06in 564d | 2024-04-07 | Curry, Michael H | Expired |
| KK4ZZS | KY | 2028-04-06in 564d | 2024-04-07 | Sherrell, Anthony R | Expired |
| KK4ZZT | FL | 2028-04-06in 564d | 2024-04-07 | Adams, Phillip D | Expired |
| KK4ZZW | TN | 2028-04-07in 565d | 2024-04-08 | CHAFIN, BRADLEY D | Expired |
| KK4BAT | NC | 2028-04-16in 574d | 2026-04-17 | BURDGE, BRIAN C | Cancelled |