Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4-prefix vanity callsigns coming available
Vanity slots whose callsigns start with K4. Sorted by availability date — soonest first.
Showing 351– 400 of 473
| Callsign | State | Available | Last held | Last holder | Released by |
|---|---|---|---|---|---|
| K4SBA | NY | 2028-05-05in 598d | 2024-05-06 | SPINA BIFIDA AWARENESS AMATEUR RADIO CLUB | Expired |
| K4CCX | SC | 2028-05-06in 599d | 2024-05-07 | Cox Jr, Charles W | Expired |
| K4LKY | KY | 2028-05-07in 600d | 2026-05-08 | Higdon, Michael S | Cancelled |
| K4GTF | VA | 2028-05-08in 601d | 2024-05-09 | FOVEAUX, GARY T | Expired |
| K4EAJ | TN | 2028-05-10in 603d | 2024-05-11 | Morgan County Amateur Radio Club | Expired |
| K4LTD | OK | 2028-05-10in 603d | 2024-05-11 | DAY, JIM V | Expired |
| K4THN | KY | 2028-05-10in 603d | 2024-05-11 | JAMISON SR, GARY W | Expired |
| K4SPM | FL | 2028-05-13in 606d | 2024-05-14 | Leibowitz, Samantha A | Expired |
| K4CJZ | NC | 2028-05-16in 609d | 2024-05-17 | BINO, CHARLES F | Expired |
| K4FPW | KY | 2028-05-16in 609d | 2024-05-17 | POLLEI JR, OTTO | Expired |
| K4HDN | FL | 2028-05-16in 609d | 2024-05-17 | STILLMAN, JAMES D | Expired |
| K4KPO | FL | 2028-05-16in 609d | 2024-05-17 | YOST JR, STEPHEN J | Expired |
| K4KZA | KY | 2028-05-16in 609d | 2024-05-17 | WALKER, JOHN L | Expired |
| K4QEI | VA | 2028-05-16in 609d | 2024-05-17 | APELT, WALTER E | Expired |
| K4SGL | GA | 2028-05-16in 609d | 2024-05-17 | OWENS, JERRY M | Expired |
| K4YGG | DE | 2028-05-16in 609d | 2024-05-17 | JORDAN JR, CHARLES H | Expired |
| K4HRH | GA | 2028-05-22in 615d | 2024-05-23 | Drummond, Johnny D | Expired |
| K4YYM | SC | 2028-05-22in 615d | 2024-05-23 | SOUCY, RONALD L | Expired |
| K4CEI | FL | 2028-05-23in 616d | 2024-05-24 | Morrison, John E | Expired |
| K4CYZ | MS | 2028-05-23in 616d | 2024-05-24 | SMITH, KENNETH E | Expired |
| K4DXS | TX | 2028-05-23in 616d | 2024-05-24 | Wharton, Russell P | Expired |
| K4GBH | SC | 2028-05-23in 616d | 2024-05-24 | MIMMS, JOSEPH L | Expired |
| K4HRA | KY | 2028-05-23in 616d | 2024-05-24 | LANDON, HOBART P | Expired |
| K4KMU | VA | 2028-05-23in 616d | 2024-05-24 | PUERNER, JACK H | Expired |
| K4MMK | FL | 2028-05-23in 616d | 2024-05-24 | SCHRADER, RONALD J | Expired |
| K4PRR | VA | 2028-05-23in 616d | 2024-05-24 | DUVALL SR, FRANK W | Expired |
| K4ROZ | GA | 2028-05-23in 616d | 2024-05-24 | Schwartz, Dale M | Expired |
| K4SBH | GA | 2028-05-23in 616d | 2024-05-24 | BOND JR, CLIFFORD J | Expired |
| K4PIL | FL | 2028-05-25in 618d | 2024-05-26 | PONCE DE LEON INLET LIGHT STATION ARC | Expired |
| K4ADK | AL | 2028-05-30in 623d | 2024-05-31 | MAPLES, GORDON M | Expired |
| K4BME | FL | 2028-05-30in 623d | 2024-05-31 | EGLESTON, WILLIAM G | Expired |
| K4GAA | VA | 2028-05-30in 623d | 2024-05-31 | Cole Jr, Raymond | Expired |
| K4JDE | KY | 2028-05-30in 623d | 2024-05-31 | WILLIAMS, BILL C | Expired |
| K4LDK | FL | 2028-05-30in 623d | 2024-05-31 | Akerley, L D | Expired |
| K4PXL | FL | 2028-05-30in 623d | 2024-05-31 | MEGGISON, EARL C | Expired |
| K4UVF | FL | 2028-05-30in 623d | 2024-05-31 | BRUNER, ALBERT H | Expired |
| K4VAI | KY | 2028-05-30in 623d | 2024-05-31 | ROBBINS, GENE B | Expired |
| K4ZQX | TN | 2028-05-30in 623d | 2024-05-31 | Cash Jr, Thomas H | Expired |
| K4UOT | TN | 2028-06-01in 625d | 2024-06-02 | FITTS, MARLIN J | Expired |
| K4SWP | NC | 2028-06-02in 626d | 2024-06-03 | FRITTS, ROBERT D | Expired |
| K4THA | TN | 2028-06-03in 627d | 2024-06-04 | Hunt, Jared W | Expired |
| K4KES | AL | 2028-06-04in 628d | 2024-06-05 | FINK, NORMAN E | Expired |
| K4LDD | SC | 2028-06-04in 628d | 2024-06-05 | Dendekker, Leonardus J | Expired |
| K4AEM | FL | 2028-06-09in 633d | 2024-06-10 | Buker, Martin E | Expired |
| K4JEN | AL | 2028-06-16in 640d | 2024-06-17 | Lowry, Jenny L | Expired |
| K4SBI | AK | 2028-06-16in 640d | 2024-06-17 | Beasley, John E | Expired |
| K4NAA | VA | 2028-06-17in 641d | 2024-06-18 | HQ NAVY MARINE CORPS MARS | Expired |
| K4JBF | FL | 2028-06-18in 642d | 2024-06-19 | FERNANDES, JOSE V | Expired |
| K4NRK | TN | 2028-06-19in 643d | 2024-06-20 | Kennedy, Nomon R | Expired |
| K4FUD | VA | 2028-06-20in 644d | 2024-06-21 | TABOR IV, WILLIAM D | Expired |