Confidence: Medium · Source: FCC ULS · As of 2026-09-09
K0-prefix vanity callsigns coming available
Vanity slots whose callsigns start with K0. Sorted by availability date — soonest first.
Showing 51– 100 of 230
| Callsign | State | Available | Last held | Last holder | Released by |
|---|---|---|---|---|---|
| K0UPI | MO | 2027-06-20in 284d | 2023-06-21 | Bayton, Reed S | Expired |
| K0PAL | CO | 2027-06-21in 285d | 2023-06-22 | STROBEL, JOHN D | Expired |
| K0TCH | KS | 2027-06-24in 288d | 2023-06-25 | JONES, EDITH D | Expired |
| K0OOB | CO | 2027-07-02in 296d | 2023-07-03 | Koob, John E | Expired |
| K0SCS | ND | 2027-07-11in 305d | 2025-07-11 | Spradley, Samuel J | Cancelled |
| K0HMC | MN | 2027-07-18in 312d | 2023-07-19 | AITON, BRUCE A | Expired |
| K0CEA | MO | 2027-07-19in 313d | 2023-07-20 | SEMO RADIO | Expired |
| K0GSC | AZ | 2027-07-19in 313d | 2023-07-20 | HARROP, EDWIN R | Expired |
| K0LE | CO | 2027-07-25in 319d | 2025-07-25 | Antunes de Sa, Andre L | Cancelled |
| K0RAN | MN | 2027-07-29in 323d | 2023-07-30 | GASIMOV, NATIG | Expired |
| K0CLP | AR | 2027-08-09in 334d | 2023-08-10 | Poisson, Christopher L | Expired |
| K0SEG | WA | 2027-08-11in 336d | 2023-08-12 | GHOST, SHAWN E | Expired |
| K0JJV | KS | 2027-08-16in 341d | 2023-08-17 | BROOKS, JAMES R | Expired |
| K0UJI | TX | 2027-08-30in 355d | 2023-08-31 | ZIKOS, JOHN M | Expired |
| K0KLE | CO | 2027-09-04in 360d | 2023-09-05 | Ferguson, Galen C | Expired |
| K0JVJ | TX | 2027-09-09in 365d | 2023-09-10 | Jasper, Jeffery V | Expired |
| K0MGD | MO | 2027-09-13in 369d | 2023-09-14 | THOMAS, GARY L | Expired |
| K0RJO | ND | 2027-09-13in 369d | 2023-09-14 | LEWIS, VERONICA J | Expired |
| K0TNI | ND | 2027-09-13in 369d | 2023-09-14 | BAILEY, JOHN H | Expired |
| K0CRG | CO | 2027-09-22in 378d | 2023-09-23 | CASTLE ROCK REPEATER GROUP INC | Expired |
| K0JDN | AZ | 2027-09-26in 382d | 2023-09-27 | NEUNER, JOHN D | Expired |
| K0ARV | NE | 2027-09-29in 385d | 2023-09-30 | Monson, Arvid M | Expired |
| K0JLD | SD | 2027-12-12in 459d | 2025-12-12 | Didier, James L | Cancelled |
| K0TWA | KS | 2027-12-12in 459d | 2025-12-12 | BERBERICK, PHIL O | Cancelled |
| K0OOT | CO | 2027-12-23in 470d | 2025-12-23 | Ireland, Clifford J | Cancelled |
| K0CBS | MO | 2028-01-03in 481d | 2026-01-03 | Shannon, Mark W | Cancelled |
| K0VQP | MO | 2028-02-03in 512d | 2026-02-03 | FRAKES, KIM M | Cancelled |
| K0DGO | OK | 2028-02-20in 529d | 2026-02-20 | FANSLER, MICHAEL J | Cancelled |
| K0GIS | NE | 2028-02-20in 529d | 2026-02-20 | Oakes, Danny A | Cancelled |
| K0SAP | MO | 2028-03-02in 540d | 2026-03-03 | Petty, Stuart | Cancelled |
| K0WJR | MI | 2028-03-02in 540d | 2026-03-03 | White, Kenneth J | Cancelled |
| K0ADQ | CO | 2028-03-04in 542d | 2024-03-05 | CAMPBELL, RICHARD L | Expired |
| K0AWR | KS | 2028-03-04in 542d | 2024-03-05 | MARKLEY, THOMAS C | Expired |
| K0BUA | MO | 2028-03-04in 542d | 2024-03-05 | ECKSTEIN, WILBERT F | Expired |
| K0CBK | UT | 2028-03-04in 542d | 2024-03-05 | KYNASTON, CARL B | Expired |
| K0CDK | CO | 2028-03-04in 542d | 2024-03-05 | KOONSMAN, CARL D | Expired |
| K0CLD | ND | 2028-03-04in 542d | 2024-03-05 | MERTZ, WALTER | Expired |
| K0DJC | UT | 2028-03-04in 542d | 2024-03-05 | Mumford, Catherine D | Expired |
| K0DOT | MO | 2028-03-04in 542d | 2024-03-05 | Nichol, Dorothy A | Expired |
| K0FSJ | CO | 2028-03-04in 542d | 2024-03-05 | SHIMNIOK, MICHAEL E | Expired |
| K0GIN | MO | 2028-03-04in 542d | 2024-03-05 | PIERCE, BOB L | Expired |
| K0GKN | MN | 2028-03-04in 542d | 2024-03-05 | MARCROFT, ROBERT J | Expired |
| K0GLQ | IA | 2028-03-04in 542d | 2024-03-05 | Fox, Jim A | Expired |
| K0HDP | NE | 2028-03-04in 542d | 2024-03-05 | MENDICINO SR, THOMAS R | Expired |
| K0HEY | CO | 2028-03-04in 542d | 2024-03-05 | Harris, Shawn A | Expired |
| K0HFX | IA | 2028-03-04in 542d | 2024-03-05 | MALEY, CHARLES E | Expired |
| K0HTC | IA | 2028-03-04in 542d | 2024-03-05 | Hildreth, Thomas c | Expired |
| K0HTG | IA | 2028-03-04in 542d | 2024-03-05 | Gruis, Matthew Z | Expired |
| K0IOA | CA | 2028-03-04in 542d | 2024-03-05 | Johnson Jr, George R | Expired |
| K0JGD | AZ | 2028-03-04in 542d | 2024-03-05 | MEAD, GORDON B | Expired |