Confidence: Medium · Source: FCC ULS · As of 2026-09-15
KK4-prefix vanity callsigns coming available
Vanity slots whose callsigns start with KK4. Sorted by availability date — soonest first.
Showing 751– 800 of 4,090
| Callsign | State | Available | Last held | Last holder | Released by |
|---|---|---|---|---|---|
| KK4NZC | GA | 2027-01-23in 129d | 2023-01-24 | Beard, Robert T | Expired |
| KK4NZG | GA | 2027-01-23in 129d | 2023-01-24 | SAPP, MICHAEL L | Expired |
| KK4NZL | FL | 2027-01-24in 130d | 2023-01-25 | Ragatz, James C | Expired |
| KK4NZN | KY | 2027-01-24in 130d | 2023-01-25 | Timmons, Linda K | Expired |
| KK4NZP | VA | 2027-01-24in 130d | 2023-01-25 | Rollins, Scott I | Expired |
| KK4NZR | VA | 2027-01-24in 130d | 2023-01-25 | Scarbrow III, Leslie L | Expired |
| KK4NZS | VA | 2027-01-24in 130d | 2023-01-25 | Nelapaty, Rohit M | Expired |
| KK4NZZ | GA | 2027-01-28in 134d | 2023-01-29 | Worley Jr, Ronald L | Expired |
| KK4OAA | FL | 2027-01-28in 134d | 2023-01-29 | Harrison Jr, Christopher E | Expired |
| KK4OAB | FL | 2027-01-28in 134d | 2023-01-29 | Hornbrook, Charles T | Expired |
| KK4OAC | FL | 2027-01-28in 134d | 2023-01-29 | Mason, Alexander C | Expired |
| KK4OAG | FL | 2027-01-28in 134d | 2023-01-29 | Johnson, Nicholas | Expired |
| KK4OAL | FL | 2027-01-28in 134d | 2023-01-29 | TANAH KEETA AMATEUR RADIO CLUB | Expired |
| KK4OAM | FL | 2027-01-28in 134d | 2023-01-29 | CARSON SR, WILLIAM S | Expired |
| KK4OAN | FL | 2027-01-28in 134d | 2023-01-29 | MORRISON, THOMAS E | Expired |
| KK4OAO | FL | 2027-01-28in 134d | 2023-01-29 | JOHNSON, WILLIAM F | Expired |
| KK4OAQ | FL | 2027-01-29in 135d | 2023-01-30 | Cohn, Rolf | Expired |
| KK4OAS | TN | 2027-01-29in 135d | 2023-01-30 | Rievley, Rosa L | Expired |
| KK4OAX | NC | 2027-01-29in 135d | 2023-01-30 | Ennett, Kevin H | Expired |
| KK4OBA | GA | 2027-01-29in 135d | 2023-01-30 | McKenzie, Joseph R | Expired |
| KK4OBD | FL | 2027-01-29in 135d | 2023-01-30 | Avery, Robert L | Expired |
| KK4OBE | FL | 2027-01-29in 135d | 2023-01-30 | Williams, Trevor M | Expired |
| KK4OBF | FL | 2027-01-29in 135d | 2023-01-30 | Copeland, Edwin J | Expired |
| KK4OBK | CA | 2027-01-29in 135d | 2023-01-30 | COLLINS, ARNEL D | Expired |
| KK4OBL | GA | 2027-01-29in 135d | 2023-01-30 | BARTON, SHERYL L | Expired |
| KK4OBQ | TN | 2027-01-29in 135d | 2023-01-30 | WARREN, GREGROY E | Expired |
| KK4OBT | AL | 2027-01-29in 135d | 2023-01-30 | Shirah, Jonathan D | Expired |
| KK4OCC | GA | 2027-01-30in 136d | 2023-01-31 | Thomas, Clay K | Expired |
| KK4OCD | GA | 2027-01-30in 136d | 2023-01-31 | Tewalt, William J | Expired |
| KK4OCE | GA | 2027-01-30in 136d | 2023-01-31 | Griswold, Loren M | Expired |
| KK4OCH | KY | 2027-01-30in 136d | 2023-01-31 | Whitworth, David R | Expired |
| KK4OCI | KY | 2027-01-30in 136d | 2023-01-31 | Lane, Michael J | Expired |
| KK4OCL | GA | 2027-01-30in 136d | 2023-01-31 | Moultrie Technical Colege Amateur Radio Club | Expired |
| KK4BDA | NC | 2027-01-31in 137d | 2025-01-31 | BALL III, GLENN J | Cancelled |
| KK4OCM | FL | 2027-01-31in 137d | 2023-02-01 | WILLIAMS, AUSTIN F | Expired |
| KK4OCN | FL | 2027-01-31in 137d | 2023-02-01 | BENGE, ROBERT M | Expired |
| KK4OCO | FL | 2027-01-31in 137d | 2023-02-01 | MARIHUGH, SHERRY | Expired |
| KK4OCQ | FL | 2027-01-31in 137d | 2023-02-01 | HILLIARD, WILLIAM A | Expired |
| KK4OCR | FL | 2027-01-31in 137d | 2023-02-01 | MERCERON, GEORGES P | Expired |
| KK4OCT | FL | 2027-01-31in 137d | 2023-02-01 | SABREE, SHAREEF R | Expired |
| KK4OCU | FL | 2027-01-31in 137d | 2023-02-01 | RODRIGUEZ, SAMUEL E | Expired |
| KK4OCW | GA | 2027-01-31in 137d | 2023-02-01 | Schoer, Benjamin Z | Expired |
| KK4OCX | GA | 2027-01-31in 137d | 2023-02-01 | KELLEY, CHRISTOPHER M | Expired |
| KK4OCZ | OH | 2027-01-31in 137d | 2023-02-01 | Gunn, Matt R | Expired |
| KK4ODE | TN | 2027-01-31in 137d | 2023-02-01 | Bruggeman, Jacob W | Expired |
| KK4ODG | TN | 2027-01-31in 137d | 2023-02-01 | Pitts, Christopher L | Expired |
| KK4ODH | TN | 2027-01-31in 137d | 2023-02-01 | Wagoner, Charles B | Expired |
| KK4ODI | TN | 2027-01-31in 137d | 2023-02-01 | Terry Jr, James A | Expired |
| KK4ODL | KY | 2027-01-31in 137d | 2023-02-01 | MOCAHBEE, WILLIAM L | Expired |
| KK4ODT | VA | 2027-02-03in 140d | 2023-02-04 | FOUAD, MAHER S | Expired |