Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KM4-prefix vanity callsigns coming available
Vanity slots whose callsigns start with KM4. Sorted by availability date — soonest first.
Showing 251– 300 of 1,281
| Callsign | State | Available | Last held | Last holder | Released by |
|---|---|---|---|---|---|
| KM4AQI | GA | 2028-04-27in 590d | 2024-04-28 | Davis, Jennifer L | Expired |
| KM4AQJ | FL | 2028-04-27in 590d | 2024-04-28 | Wright Jr, Ralph F | Expired |
| KM4AQK | GA | 2028-04-27in 590d | 2024-04-28 | Jennings, Mark B | Expired |
| KM4AQL | GA | 2028-04-27in 590d | 2024-04-28 | Griffin, Charles A | Expired |
| KM4AQN | GA | 2028-04-27in 590d | 2024-04-28 | Martin, David L | Expired |
| KM4AQO | GA | 2028-04-27in 590d | 2024-04-28 | Evans, John L | Expired |
| KM4AQP | GA | 2028-04-27in 590d | 2024-04-28 | Tomaszewski, Michael S | Expired |
| KM4AQQ | GA | 2028-04-27in 590d | 2024-04-28 | Bebber, Scott A | Expired |
| KM4AQR | GA | 2028-04-27in 590d | 2024-04-28 | Smith, Joshua N | Expired |
| KM4AQS | GA | 2028-04-27in 590d | 2024-04-28 | Fisher, Darryl B | Expired |
| KM4AQT | GA | 2028-04-27in 590d | 2024-04-28 | Richards, Thomas D | Expired |
| KM4AQU | GA | 2028-04-27in 590d | 2024-04-28 | Smith, Stirling B | Expired |
| KM4AQV | SC | 2028-04-27in 590d | 2024-04-28 | Gantt, Charles J | Expired |
| KM4AQX | VA | 2028-04-27in 590d | 2024-04-28 | Brant, Rachael D | Expired |
| KM4AQY | VA | 2028-04-27in 590d | 2024-04-28 | Brant, Olivia D | Expired |
| KM4ARA | VA | 2028-04-27in 590d | 2024-04-28 | Dubyk, Larry B | Expired |
| KM4ARD | VA | 2028-04-27in 590d | 2024-04-28 | Vollmer, Aaron | Expired |
| KM4ARE | VA | 2028-04-27in 590d | 2024-04-28 | Rees, Michael B | Expired |
| KM4ARF | AL | 2028-04-27in 590d | 2024-04-28 | Dixie Amateur Radio Club | Expired |
| KM4ARG | FL | 2028-04-27in 590d | 2024-04-28 | Storey, Trevor W | Expired |
| KM4ARH | GA | 2028-04-27in 590d | 2024-04-28 | Alder, Larryk D | Expired |
| KM4ARL | FL | 2028-04-28in 591d | 2024-04-29 | Butler, Joe | Expired |
| KM4ARM | FL | 2028-04-28in 591d | 2024-04-29 | Klotz, Michaelene | Expired |
| KM4ARP | FL | 2028-04-28in 591d | 2024-04-29 | Beyer, Georg | Expired |
| KM4ARU | NC | 2028-04-28in 591d | 2024-04-29 | ARRWOOD, KENNETH J | Expired |
| KM4ARY | NC | 2028-04-28in 591d | 2024-04-29 | MC LAUGHLIN, TOM | Expired |
| KM4ARZ | NC | 2028-04-28in 591d | 2024-04-29 | PEARCE, JERRY W | Expired |
| KM4ASC | GA | 2028-04-28in 591d | 2024-04-29 | TUCKER JR, LEE M | Expired |
| KM4ASF | AL | 2028-04-29in 592d | 2024-04-30 | Sigman, Mary M | Expired |
| KM4ASH | AL | 2028-04-29in 592d | 2024-04-30 | Temple, Craig D | Expired |
| KM4ASJ | VA | 2028-04-29in 592d | 2024-04-30 | Tse, Andrea Q | Expired |
| KM4ASK | VA | 2028-04-29in 592d | 2024-04-30 | Lam, Faith E | Expired |
| KM4ASM | VA | 2028-04-29in 592d | 2024-04-30 | Kuprenas, Luke N | Expired |
| KM4ASN | VA | 2028-04-29in 592d | 2024-04-30 | Smith, Michael R | Expired |
| KM4ASO | VA | 2028-04-29in 592d | 2024-04-30 | Rogers, David B | Expired |
| KM4AST | IL | 2028-04-29in 592d | 2024-04-30 | Broncy, Robert S | Expired |
| KM4ATB | VA | 2028-04-29in 592d | 2024-04-30 | Darby, Wendi G | Expired |
| KM4ATD | FL | 2028-04-29in 592d | 2024-04-30 | Maclean, Lance G | Expired |
| KM4ATE | FL | 2028-04-29in 592d | 2024-04-30 | Hines, Joan L | Expired |
| KM4ATH | NC | 2028-04-29in 592d | 2024-04-30 | Gowdy, Thomas | Expired |
| KM4ATJ | KS | 2028-04-29in 592d | 2024-04-30 | Bruner, Lawrence D | Expired |
| KM4ATL | VA | 2028-04-29in 592d | 2024-04-30 | Fishburn, Michael | Expired |
| KM4ATM | VA | 2028-04-29in 592d | 2024-04-30 | Ghosn, Carol L | Expired |
| KM4ATR | KY | 2028-04-29in 592d | 2024-04-30 | Willis, Brian D | Expired |
| KM4ATY | GA | 2028-04-30in 593d | 2024-05-01 | Dinardi, Cyndi | Expired |
| KM4ATZ | GA | 2028-04-30in 593d | 2024-05-01 | Van Etten Jr, Charles E | Expired |
| KM4AUD | GA | 2028-04-30in 593d | 2024-05-01 | Parker, Eddie J | Expired |
| KM4AUE | GA | 2028-04-30in 593d | 2024-05-01 | Omdahl, Philip T | Expired |
| KM4AUF | GA | 2028-04-30in 593d | 2024-05-01 | Newman, Richard J | Expired |
| KM4AUJ | GA | 2028-04-30in 593d | 2024-05-01 | Hubbard, Joseph W | Expired |