Confidence: Medium · Source: FCC ULS · As of 2026-09-16
KK4-prefix vanity callsigns coming available
Vanity slots whose callsigns start with KK4. Sorted by availability date — soonest first.
Showing 951– 1,000 of 4,090
| Callsign | State | Available | Last held | Last holder | Released by |
|---|---|---|---|---|---|
| KK4ORK | KY | 2027-02-21in 158d | 2023-02-22 | Ray, Matthew F | Expired |
| KK4ORL | KY | 2027-02-21in 158d | 2023-02-22 | Graham, Hunter B | Expired |
| KK4ORM | KY | 2027-02-21in 158d | 2023-02-22 | Dunlap, Dylan S | Expired |
| KK4ORO | KY | 2027-02-21in 158d | 2023-02-22 | Riggs, Annabelle L | Expired |
| KK4ORQ | FL | 2027-02-21in 158d | 2023-02-22 | Proscia, Donald S | Expired |
| KK4ORR | TN | 2027-02-21in 158d | 2023-02-22 | Hall, Jack A | Expired |
| KK4ORS | TN | 2027-02-21in 158d | 2023-02-22 | Brackett, Clarice S | Expired |
| KK4ORT | KY | 2027-02-21in 158d | 2023-02-22 | Yelton, Dylan R | Expired |
| KK4ORV | KY | 2027-02-21in 158d | 2023-02-22 | Ralenkotter, John L | Expired |
| KK4ORW | KY | 2027-02-21in 158d | 2023-02-22 | Geiger, Damian J | Expired |
| KK4ORX | KY | 2027-02-21in 158d | 2023-02-22 | Clark, Michael H | Expired |
| KK4ORY | KY | 2027-02-21in 158d | 2023-02-22 | Carman, Mitchell A | Expired |
| KK4ORZ | KY | 2027-02-21in 158d | 2023-02-22 | Caple, Luke T | Expired |
| KK4OSA | GA | 2027-02-21in 158d | 2023-02-22 | Gilbert, Douglas T | Expired |
| KK4OSB | FL | 2027-02-21in 158d | 2023-02-22 | Davis Jr, Otis M | Expired |
| KK4OSK | TN | 2027-02-21in 158d | 2023-02-22 | Chambers, Rita K | Expired |
| KK4OSL | TN | 2027-02-21in 158d | 2023-02-22 | McCarthy, Marlene C | Expired |
| KK4OSM | KY | 2027-02-24in 161d | 2023-02-25 | Cassin, Mary L | Expired |
| KK4OSP | KY | 2027-02-24in 161d | 2023-02-25 | Brown, William K | Expired |
| KK4OSR | KY | 2027-02-24in 161d | 2023-02-25 | Andres, Nancy L | Expired |
| KK4OSS | KY | 2027-02-24in 161d | 2023-02-25 | Rose, Thomas G | Expired |
| KK4OST | KY | 2027-02-24in 161d | 2023-02-25 | Pollock, Elizabeth T | Expired |
| KK4OSU | KY | 2027-02-24in 161d | 2023-02-25 | Heink, Joseph L | Expired |
| KK4OSV | KY | 2027-02-24in 161d | 2023-02-25 | Ward, William R | Expired |
| KK4OSW | KY | 2027-02-24in 161d | 2023-02-25 | Alldaffer, Adrienne K | Expired |
| KK4OSY | KY | 2027-02-24in 161d | 2023-02-25 | Sollman, Nancy L | Expired |
| KK4OTA | KY | 2027-02-24in 161d | 2023-02-25 | Kohrs, Katherine A | Expired |
| KK4OTC | KY | 2027-02-24in 161d | 2023-02-25 | Wachter, Justin L | Expired |
| KK4OTG | KY | 2027-02-24in 161d | 2023-02-25 | Sollman, Steven L | Expired |
| KK4OTH | KY | 2027-02-24in 161d | 2023-02-25 | Perguson, James E | Expired |
| KK4OTJ | KY | 2027-02-24in 161d | 2023-02-25 | Wuetcher, Ronald R | Expired |
| KK4OTL | GA | 2027-02-24in 161d | 2023-02-25 | Brekke, Carrie L | Expired |
| KK4OTM | GA | 2027-02-24in 161d | 2023-02-25 | Cauthorn, James R | Expired |
| KK4OTQ | GA | 2027-02-24in 161d | 2023-02-25 | Pope, James R | Expired |
| KK4OTR | NC | 2027-02-24in 161d | 2023-02-25 | HURLEY, DARRELL R | Expired |
| KK4OTV | FL | 2027-02-24in 161d | 2023-02-25 | Phillips, David J | Expired |
| KK4OTW | FL | 2027-02-24in 161d | 2023-02-25 | Phillips, Melanie D | Expired |
| KK4OTX | FL | 2027-02-24in 161d | 2023-02-25 | Monet, Barbara J | Expired |
| KK4OTY | FL | 2027-02-24in 161d | 2023-02-25 | Robinson, Tammy R | Expired |
| KK4OTZ | FL | 2027-02-24in 161d | 2023-02-25 | Leenman, Peter F | Expired |
| KK4OUA | FL | 2027-02-24in 161d | 2023-02-25 | Casey, Christopher S | Expired |
| KK4OUB | FL | 2027-02-24in 161d | 2023-02-25 | Casey, Holly E | Expired |
| KK4OUC | FL | 2027-02-24in 161d | 2023-02-25 | Carroum, Carrie Y | Expired |
| KK4OUD | FL | 2027-02-24in 161d | 2023-02-25 | Laves, Andrew | Expired |
| KK4OUE | FL | 2027-02-24in 161d | 2023-02-25 | Laves, Dora N | Expired |
| KK4OUF | FL | 2027-02-24in 161d | 2023-02-25 | Merritt, Shannon L | Expired |
| KK4OUG | FL | 2027-02-24in 161d | 2023-02-25 | Lamb, Patricia D | Expired |
| KK4OUH | FL | 2027-02-24in 161d | 2023-02-25 | Steele, Kenneth C | Expired |
| KK4OUI | FL | 2027-02-24in 161d | 2023-02-25 | Cooper, Matthew D | Expired |
| KK4OUJ | FL | 2027-02-24in 161d | 2023-02-25 | Cooper, Denise M | Expired |