Confidence: Medium · Source: FCC ULS · As of 2026-09-17
KR4-prefix vanity callsigns coming available
Vanity slots whose callsigns start with KR4. Sorted by availability date — soonest first.
Showing 1,451– 1,500 of 1,561
| Callsign | State | Available | Last held | Last holder | Released by |
|---|---|---|---|---|---|
| KR4HEV | VA | 2028-07-30in 681d | 2026-07-31 | SASSER III, FRANK M | Cancelled |
| KR4HGV | KY | 2028-07-30in 681d | 2026-07-31 | Floyd County Amateur Radio Club | Cancelled |
| KR4MFK | FL | 2028-07-30in 681d | 2026-07-31 | Boggess, Danny D | Cancelled |
| KR4MIX | FL | 2028-07-30in 681d | 2026-07-31 | Williamson, Matthew T | Cancelled |
| KR4NAU | GA | 2028-07-30in 681d | 2026-07-31 | Nuttall Sr, John M | Cancelled |
| KR4MXH | VA | 2028-07-31in 682d | 2026-08-01 | Williams, Andrew V | Cancelled |
| KR4NRA | FL | 2028-07-31in 682d | 2026-08-01 | Litwin, Jessica K | Cancelled |
| KR4NRB | VA | 2028-07-31in 682d | 2026-08-01 | MILLS, MATTHEW B | Cancelled |
| KR4NRN | NC | 2028-07-31in 682d | 2026-08-01 | Stebe, Christian J | Cancelled |
| KR4NSB | NC | 2028-07-31in 682d | 2026-08-01 | Kanakos, Nico J | Cancelled |
| KR4NSC | TN | 2028-07-31in 682d | 2026-08-01 | Bergsing, John A | Cancelled |
| KR4NSJ | AL | 2028-07-31in 682d | 2026-08-01 | Michael, Nicholas L | Cancelled |
| KR4MIY | SC | 2028-08-02in 684d | 2026-08-03 | Janus Jr, Donald R | Cancelled |
| KR4AFM | AL | 2028-08-03in 685d | 2026-08-04 | Bacon, James S | Cancelled |
| KR4ECA | NC | 2028-08-03in 685d | 2026-08-04 | Maddock, Timothy M | Cancelled |
| KR4LUL | GA | 2028-08-03in 685d | 2026-08-04 | Siepser, Gary | Cancelled |
| KR4NMR | TN | 2028-08-03in 685d | 2026-08-04 | SMOKY MOUNTAIN RADIO ACTIVITY GROUP | Cancelled |
| KR4NTG | AL | 2028-08-03in 685d | 2026-08-04 | Mullenix, Steve A | Cancelled |
| KR4NTU | FL | 2028-08-03in 685d | 2026-08-04 | Hall, Brian J | Cancelled |
| KR4NWX | FL | 2028-08-04in 686d | 2026-08-05 | Sampath, Chevy | Cancelled |
| KR4KIG | FL | 2028-08-06in 688d | 2026-08-07 | Wright, William F | Cancelled |
| KR4NMI | SC | 2028-08-06in 688d | 2026-08-07 | Goodman, Michael H | Cancelled |
| KR4MFI | FL | 2028-08-07in 689d | 2026-08-08 | Greer, Richard A | Cancelled |
| KR4NUI | NC | 2028-08-07in 689d | 2026-08-08 | West, Mark A | Cancelled |
| KR4JVW | NC | 2028-08-09in 691d | 2026-08-10 | Montgomery Jr, Howard B | Cancelled |
| KR4KLJ | VA | 2028-08-09in 691d | 2026-08-10 | Worley, Allen Lee | Cancelled |
| KR4MZQ | VA | 2028-08-09in 691d | 2026-08-10 | Harrison, William H | Cancelled |
| KR4NWW | TN | 2028-08-09in 691d | 2026-08-10 | Wheeler, Jordan | Cancelled |
| KR4GHQ | NC | 2028-08-10in 692d | 2026-08-11 | Dunning, William D | Cancelled |
| KR4LHU | FL | 2028-08-10in 692d | 2026-08-11 | Marshall, Gary L | Cancelled |
| KR4EAX | NC | 2028-08-13in 695d | 2026-08-14 | Aiken, Ethan | Cancelled |
| KR4FJK | NC | 2028-08-13in 695d | 2026-08-14 | Aiken, Amanda M | Cancelled |
| KR4LWK | FL | 2028-08-13in 695d | 2026-08-14 | Lavender, Jeffrey S | Cancelled |
| KR4MUQ | VA | 2028-08-13in 695d | 2026-08-14 | Kosco, Courtney | Cancelled |
| KR4NMH | SC | 2028-08-13in 695d | 2026-08-14 | Carroll, Lewis N | Cancelled |
| KR4NQY | TN | 2028-08-13in 695d | 2026-08-14 | RINAUDO, JAMES J | Cancelled |
| KR4NUQ | FL | 2028-08-13in 695d | 2026-08-14 | BLYTHE JR, GLENN Z | Cancelled |
| KR4NUS | KY | 2028-08-13in 695d | 2026-08-14 | Shea, Matthew L | Cancelled |
| KR4NWO | NC | 2028-08-13in 695d | 2026-08-14 | Bertrand, Nancy M | Cancelled |
| KR4CCY | NC | 2028-08-14in 696d | 2026-08-15 | Thompson, Bryan J | Cancelled |
| KR4IRM | FL | 2028-08-14in 696d | 2026-08-15 | Postel, David | Cancelled |
| KR4LHQ | VA | 2028-08-14in 696d | 2026-08-15 | Diemel, Casey | Cancelled |
| KR4NXW | GA | 2028-08-14in 696d | 2026-08-15 | Nelson, Derek J | Cancelled |
| KR4NXZ | NC | 2028-08-14in 696d | 2026-08-15 | Butler, John | Cancelled |
| KR4NYD | VA | 2028-08-14in 696d | 2026-08-15 | BENCHOFF, DONALD J | Cancelled |
| KR4LLL | NC | 2028-08-16in 698d | 2026-08-17 | Gage, Robert J | Cancelled |
| KR4NIF | VA | 2028-08-16in 698d | 2026-08-17 | Shahseta, Shahrad | Cancelled |
| KR4NXL | SC | 2028-08-16in 698d | 2026-08-17 | Dickard, Jonathan D | Cancelled |
| KR4JSA | AL | 2028-08-17in 699d | 2026-08-18 | Burns, Jonathan B | Cancelled |
| KR4MLL | KY | 2028-08-17in 699d | 2026-08-18 | Manuel, Jason | Cancelled |