Confidence: Medium · Source: FCC ULS · As of 2026-10-24
K3-prefix vanity callsigns coming available
Vanity slots whose callsigns start with K3. Sorted by availability date — soonest first.
Showing 1– 50 of 230
| Callsign | State | Available | Last held | Last holder | Released by |
|---|---|---|---|---|---|
| K3KIU | FL | 2026-11-02in 9d | 2024-11-02 | Keyser, Sean M | Cancelled |
| K3MJC | NC | 2026-11-05in 12d | 2024-11-05 | Stallings, Billy R | Cancelled |
| K3JQO | PA | 2026-11-09in 16d | 2022-11-10 | CASTEEL, WILLIAM L | Expired |
| K3NCI | PA | 2026-11-13in 20d | 2024-11-13 | IPRI, NICHOLAS C | Cancelled |
| K3CXW | MD | 2026-11-16in 23d | 2024-11-16 | JERARDI, THOMAS W | Cancelled |
| K3RYZ | PA | 2026-11-23in 30d | 2022-11-24 | HOOVER, RONALD L | Expired |
| K3OWZ | PA | 2026-12-02in 39d | 2022-12-03 | MARTIN, JOHN W | Expired |
| K3UB | MD | 2026-12-10in 47d | 2024-12-10 | MACEWAN, RICHARD N | Cancelled |
| K3ZYD | MD | 2026-12-21in 58d | 2022-12-22 | SPICKLER, EDWARD E | Expired |
| K3BSB | MD | 2026-12-26in 63d | 2022-12-27 | BULLIS SCHOOL ARC | Expired |
| K3MKB | FL | 2026-12-26in 63d | 2022-12-27 | Brown, Michael K | Expired |
| K3CDW | TX | 2026-12-27in 64d | 2022-12-28 | WINTZ, CARY D | Expired |
| K3DGT | MI | 2027-01-07in 75d | 2025-01-07 | TILLERY, DONALD G | Cancelled |
| K3EGR | NC | 2027-01-11in 79d | 2023-01-12 | Warner Jr, John F | Expired |
| K3JLK | PA | 2027-01-11in 79d | 2023-01-12 | MC COUCH, WILLIAM N | Expired |
| K3KWX | MD | 2027-01-22in 90d | 2025-01-22 | KLAPPENBERGER, ALBERT J | Cancelled |
| K3VRX | CO | 2027-01-22in 90d | 2025-01-22 | Gesualdi III, Joseph J | Cancelled |
| K3ATY | DE | 2027-01-31in 99d | 2023-02-01 | Krajewski, Kathy A | Expired |
| K3AAF | FL | 2027-02-01in 100d | 2023-02-02 | DAVIS, BRYAN W | Expired |
| K3KID | CT | 2027-02-07in 106d | 2023-02-08 | CONNECTICUT AMATEUR RADIO LEAGUE OF YOUTH CARLY | Expired |
| K3EDF | WI | 2027-02-11in 110d | 2025-02-11 | Faust, Eric | Cancelled |
| K3GAG | GA | 2027-02-15in 114d | 2023-02-16 | GORKES SR, RICHARD E | Expired |
| K3JUZ | PA | 2027-02-18in 117d | 2023-02-19 | JUZBASICH, JOHN | Expired |
| K3PUP | PA | 2027-02-28in 127d | 2023-03-01 | Smith, Karen A | Expired |
| K3LEN | VA | 2027-03-01in 128d | 2023-03-02 | BOCHAU, CARL T | Expired |
| K3NCR | MD | 2027-03-08in 135d | 2023-03-09 | MARENKA JR, CHARLES W | Expired |
| K3AEE | PA | 2027-03-11in 138d | 2025-03-11 | Devono, Craig P | Cancelled |
| K3LAA | PA | 2027-03-11in 138d | 2025-03-11 | Aquino, Leonardo A | Cancelled |
| K3NDR | LA | 2027-03-11in 138d | 2023-03-12 | Britton, Kendra D | Expired |
| K3KTI | PA | 2027-03-15in 142d | 2023-03-16 | TARVER, LESTER | Expired |
| K3TEZ | MD | 2027-03-15in 142d | 2023-03-16 | HUHN, MICHAEL S | Expired |
| K3RJP | PA | 2027-03-20in 147d | 2023-03-21 | Paulhamus, Robert J | Expired |
| K3MXO | HI | 2027-03-21in 148d | 2023-03-22 | TAUSON, MICHAEL W | Expired |
| K3GJS | PA | 2027-03-29in 156d | 2023-03-30 | TRENTES, HARRY M | Expired |
| K3BDH | LA | 2027-04-01in 159d | 2023-04-02 | HODGE, BRUCE D | Expired |
| K3SMP | PA | 2027-04-04in 162d | 2023-04-05 | THE SOUTH MOUNTAIN PROJECT | Expired |
| K3SRT | PA | 2027-04-07in 165d | 2023-04-08 | Foglesong, Samuel S | Expired |
| K3JJD | MD | 2027-04-14in 172d | 2023-04-15 | SEGGIE, CHARLES W | Expired |
| K3GZO | PA | 2027-04-15in 173d | 2023-04-16 | SHEFFER, GILSON C | Expired |
| K3LMB | MD | 2027-04-17in 175d | 2023-04-18 | Brown, Laird M | Expired |
| K3MEE | MD | 2027-04-21in 179d | 2023-04-22 | FISHOW, GERALD B | Expired |
| K3PSD | PA | 2027-04-21in 179d | 2023-04-22 | DIMICK, PAUL S | Expired |
| K3MUT | PA | 2027-04-26in 184d | 2023-04-27 | BENNETT, GORDON G | Expired |
| K3SJQ | WV | 2027-04-28in 186d | 2023-04-29 | Queen, Sandra J | Expired |
| K3MAS | FL | 2027-05-01in 189d | 2023-05-02 | NEHRING JR, JOHN F | Expired |
| K3MJP | PA | 2027-05-01in 189d | 2023-05-02 | GUENZEL, WILLIAM C | Expired |
| K3APT | KS | 2027-05-02in 190d | 2023-05-03 | KINVILLE, RYAN W | Expired |
| K3RGY | PA | 2027-05-08in 196d | 2023-05-09 | Mramor, Frank M | Expired |
| K3UOT | PA | 2027-05-09in 197d | 2023-05-10 | RUTH, ROBERT R | Expired |
| K3FPY | PA | 2027-05-10in 198d | 2023-05-11 | FELD, L RICHARD | Expired |