Confidence: Medium · Source: FCC ULS · As of 2026-10-24
KB4-prefix vanity callsigns coming available
Vanity slots whose callsigns start with KB4. Sorted by availability date — soonest first.
Showing 1– 50 of 236
| Callsign | State | Available | Last held | Last holder | Released by |
|---|---|---|---|---|---|
| KB4UBC | FL | 2026-10-26in 2d | 2022-10-27 | HUMPHREY, MARION A | Expired |
| KB4FD | FL | 2026-11-02in 9d | 2022-11-03 | HAMLIN, C KENNETH | Expired |
| KB4VXB | TN | 2026-11-09in 16d | 2022-11-10 | GENTRY, BRENDA G | Expired |
| KB4LLI | AL | 2026-11-16in 23d | 2022-11-17 | PARSON, CHARLES R | Expired |
| KB4SYO | FL | 2026-11-19in 26d | 2022-11-20 | CARRACHER, JOHN C | Expired |
| KB4IMS | SC | 2026-11-20in 27d | 2022-11-21 | Hollis, FRANCES A | Expired |
| KB4GEO | FL | 2026-11-23in 30d | 2022-11-24 | HENNEQUIN, DENNIS P | Expired |
| KB4JOY | FL | 2026-11-30in 37d | 2024-11-30 | Nahas, Mary A | Cancelled |
| KB4WCX | FL | 2026-11-30in 37d | 2022-12-01 | Carpenter, Louise T | Expired |
| KB4ZZZ | FL | 2026-12-02in 39d | 2022-12-03 | MAKOWSKI, RAYMOND E | Expired |
| KB4SVC | FL | 2026-12-07in 44d | 2022-12-08 | HAZEL, CHARLENE E | Expired |
| KB4IBF | AL | 2026-12-21in 58d | 2022-12-22 | BASSETT, MICHAEL F | Expired |
| KB4UPW | KY | 2026-12-21in 58d | 2022-12-22 | KESSLER, BENNIE T | Expired |
| KB4MFI | OH | 2027-01-02in 70d | 2023-01-03 | TOPOLOSKY, KATHLEEN D | Expired |
| KB4DKG | TN | 2027-01-04in 72d | 2023-01-05 | POMEROY, MARK W | Expired |
| KB4HQA | GA | 2027-01-06in 74d | 2023-01-07 | Samacicio, Thomas F | Expired |
| KB4BPO | NC | 2027-01-11in 79d | 2023-01-12 | SELBY, BARBARA F | Expired |
| KB4TNJ | TN | 2027-01-11in 79d | 2023-01-12 | OSBORNE JR, CHARLES E | Expired |
| KB4ERI | FL | 2027-01-15in 83d | 2023-01-16 | LUDLOW, KENNETH R | Expired |
| KB4CRT | FL | 2027-01-18in 86d | 2023-01-19 | SILBERMAN, JOHN P | Expired |
| KB4HOJ | TN | 2027-01-18in 86d | 2023-01-19 | WOOD, LINDA N | Expired |
| KB4EFQ | VA | 2027-02-01in 100d | 2023-02-02 | Rayhill Jr, John A | Expired |
| KB4PJC | NC | 2027-02-01in 100d | 2023-02-02 | Parton, Donna H | Expired |
| KB4US | FL | 2027-02-08in 107d | 2023-02-09 | KIRSCHENBAUM, BOBBI A | Expired |
| KB4JVH | TN | 2027-02-15in 114d | 2023-02-16 | JOHNSON, JAMES L | Expired |
| KB4OS | TN | 2027-02-15in 114d | 2023-02-16 | BIRDSONG JR, EMMITT S | Expired |
| KB4GDT | NC | 2027-02-22in 121d | 2023-02-23 | SEMBROSKI, STEVAN L | Expired |
| KB4JUV | GA | 2027-02-22in 121d | 2023-02-23 | EKSTROM, PETER E | Expired |
| KB4RGK | FL | 2027-03-01in 128d | 2023-03-02 | MC LAUGHLIN, PAUL E | Expired |
| KB4BVA | NC | 2027-03-08in 135d | 2023-03-09 | MESZES, WILLIAM J | Expired |
| KB4SVD | FL | 2027-03-08in 135d | 2023-03-09 | HAZEL, RICHARD H | Expired |
| KB4MOT | NC | 2027-03-15in 142d | 2023-03-16 | Prusik, Christopher | Expired |
| KB4QGG | VA | 2027-03-15in 142d | 2023-03-16 | EISNER, RICHARD P | Expired |
| KB4QKX | TX | 2027-03-22in 149d | 2023-03-23 | WALLS, JANE D | Expired |
| KB4JBT | NC | 2027-03-25in 152d | 2025-03-25 | Laviano, Richard D | Cancelled |
| KB4AHI | GA | 2027-04-01in 159d | 2025-04-01 | OTEY JR, JAMES A | Cancelled |
| KB4HKD | SC | 2027-04-12in 170d | 2023-04-13 | GRIFFITH, GEORGE L | Expired |
| KB4ZQ | GA | 2027-04-12in 170d | 2023-04-13 | TOWNSEND, BRUCE W | Expired |
| KB4YHO | DE | 2027-04-18in 176d | 2025-04-18 | Marks Jr, Richard S | Cancelled |
| KB4LAG | GA | 2027-04-19in 177d | 2023-04-20 | GREEN, LESLIE A | Expired |
| KB4OXW | AL | 2027-05-03in 191d | 2023-05-04 | GARRISON, BETTY S | Expired |
| KB4NOW | NC | 2027-05-10in 198d | 2023-05-11 | ERWIN, TROY E | Expired |
| KB4PZO | FL | 2027-05-16in 204d | 2025-05-16 | Dwyer, Timothy J | Cancelled |
| KB4GHI | GA | 2027-05-17in 205d | 2023-05-18 | SPARKMAN, MICHAEL E | Expired |
| KB4HSW | NV | 2027-05-24in 212d | 2023-05-25 | MURPHREE, STEVEN R | Expired |
| KB4PGU | FL | 2027-05-24in 212d | 2023-05-25 | JERNIGAN, ROBERT J | Expired |
| KB4UZC | KY | 2027-05-24in 212d | 2023-05-25 | WHITTLE, JASON A | Expired |
| KB4IOS | IN | 2027-05-31in 219d | 2023-06-01 | PROCTOR SR, GEORGE D | Expired |
| KB4OGD | FL | 2027-05-31in 219d | 2023-06-01 | FEUER, EDWIN | Expired |
| KB4VTJ | NC | 2027-05-31in 219d | 2023-06-01 | TURNER, JOE L | Expired |