Confidence: Medium · Source: FCC ULS · As of 2026-09-15
KC0-prefix vanity callsigns coming available
Vanity slots whose callsigns start with KC0. Sorted by availability date — soonest first.
Showing 451– 500 of 781
| Callsign | State | Available | Last held | Last holder | Released by |
|---|---|---|---|---|---|
| KC0OUM | CO | 2028-03-04in 536d | 2024-03-05 | Mahoney, Patrick F | Expired |
| KC0OUU | MN | 2028-03-04in 536d | 2024-03-05 | Renstrom, Chad R | Expired |
| KC0PCN | NE | 2028-03-04in 536d | 2024-03-05 | Sieger Mr, Forrest E | Expired |
| KC0PEX | CO | 2028-03-04in 536d | 2024-03-05 | Evans, Nicholas K | Expired |
| KC0PGN | NE | 2028-03-04in 536d | 2024-03-05 | Heath, Micheal L | Expired |
| KC0PHH | KS | 2028-03-04in 536d | 2024-03-05 | Fischer, Edgar H | Expired |
| KC0PTY | CO | 2028-03-04in 536d | 2024-03-05 | HAWKINS, ADDIE M | Expired |
| KC0PYE | CO | 2028-03-04in 536d | 2024-03-05 | Nelson, Bill H | Expired |
| KC0PZQ | MN | 2028-03-04in 536d | 2024-03-05 | Hallman Jr, Robert E | Expired |
| KC0QEJ | MN | 2028-03-04in 536d | 2024-03-05 | HOLMES, JOAN I | Expired |
| KC0QHM | CO | 2028-03-04in 536d | 2024-03-05 | Piekenbrock, Carmen A | Expired |
| KC0QJM | MN | 2028-03-04in 536d | 2024-03-05 | Munkelwitz, Daniel R | Expired |
| KC0QKU | IN | 2028-03-04in 536d | 2024-03-05 | Wooge, Rebecca W | Expired |
| KC0QMC | MO | 2028-03-04in 536d | 2024-03-05 | Weltzin, Michael J | Expired |
| KC0QMK | CO | 2028-03-04in 536d | 2024-03-05 | Cook, Cindy L | Expired |
| KC0QNK | FL | 2028-03-04in 536d | 2024-03-05 | CAMPBELL, MICHAEL B | Expired |
| KC0QOL | CO | 2028-03-04in 536d | 2024-03-05 | Parker, Timothy C | Expired |
| KC0QQK | NE | 2028-03-04in 536d | 2024-03-05 | Edwards, Carl D | Expired |
| KC0QVG | MN | 2028-03-04in 536d | 2024-03-05 | Willis, Richard J | Expired |
| KC0QWZ | CO | 2028-03-04in 536d | 2024-03-05 | Dougherty, Dick E | Expired |
| KC0QXF | ND | 2028-03-04in 536d | 2024-03-05 | MEYER, TODD D | Expired |
| KC0QXI | ND | 2028-03-04in 536d | 2024-03-05 | Clark, George R | Expired |
| KC0QYG | IL | 2028-03-04in 536d | 2024-03-05 | Morris, Arthur M | Expired |
| KC0QYH | SD | 2028-03-04in 536d | 2024-03-05 | Stadel, Michelle M | Expired |
| KC0QYJ | NE | 2028-03-04in 536d | 2024-03-05 | Burgess, David A | Expired |
| KC0QYR | MN | 2028-03-04in 536d | 2024-03-05 | Paulsen, Eric J | Expired |
| KC0QYY | KS | 2028-03-04in 536d | 2024-03-05 | MOORE, STANLEY L | Expired |
| KC0QZL | KS | 2028-03-04in 536d | 2024-03-05 | VARNER, HAROLD L | Expired |
| KC0QZU | CO | 2028-03-04in 536d | 2024-03-05 | Smith, Robert L | Expired |
| KC0QZX | CO | 2028-03-04in 536d | 2024-03-05 | Southern, Terry L | Expired |
| KC0RAA | MN | 2028-03-04in 536d | 2024-03-05 | Hoke, Terry L | Expired |
| KC0RAF | MN | 2028-03-04in 536d | 2024-03-05 | Landis, Mark E | Expired |
| KC0RAK | IA | 2028-03-04in 536d | 2024-03-05 | Long, Nathan A | Expired |
| KC0RAO | NE | 2028-03-04in 536d | 2024-03-05 | Craig, Gregory J | Expired |
| KC0RAP | NE | 2028-03-04in 536d | 2024-03-05 | Schutte, Randall A | Expired |
| KC0RAR | NE | 2028-03-04in 536d | 2024-03-05 | Schmalz, Matthew W | Expired |
| KC0RAU | CO | 2028-03-04in 536d | 2024-03-05 | Parkhurst, George W | Expired |
| KC0RBA | AZ | 2028-03-04in 536d | 2024-03-05 | KNIGHT, JAMES E | Expired |
| KC0RBD | MN | 2028-03-04in 536d | 2024-03-05 | Walker, Michael B | Expired |
| KC0RBJ | CO | 2028-03-04in 536d | 2024-03-05 | Gustafson, Andrew J | Expired |
| KC0RBK | CO | 2028-03-04in 536d | 2024-03-05 | MALLON, JOHN E | Expired |
| KC0RBO | UT | 2028-03-04in 536d | 2024-03-05 | Mikkelsen, William C | Expired |
| KC0RBP | CO | 2028-03-04in 536d | 2024-03-05 | Whitehead III, Craig B | Expired |
| KC0RCC | MN | 2028-03-04in 536d | 2024-03-05 | BUSINARO, DOMINIC E | Expired |
| KC0RCY | KS | 2028-03-04in 536d | 2024-03-05 | OLDHAM, MATTHEW J | Expired |
| KC0RDA | KS | 2028-03-04in 536d | 2024-03-05 | RICHEY, MANUEL F | Expired |
| KC0RDJ | CO | 2028-03-04in 536d | 2024-03-05 | Devincenzo, Sal | Expired |
| KC0RDQ | MN | 2028-03-04in 536d | 2024-03-05 | Mosier, Douglas R | Expired |
| KC0RDR | KS | 2028-03-04in 536d | 2024-03-05 | MORRIS, TERRENCE P | Expired |
| KC0REN | ND | 2028-03-04in 536d | 2024-03-05 | Woolsey, Neil F | Expired |