District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| K4FEQ | 9 | 55 | — | — | Available |
| K4FER | 10 | 49 | 2030-06-20 | — | Active (Vanity) |
| K4FES | 10 | 47 | 2036-03-21 | — | Active (Vanity) |
| K4FET | 9 | 45 | 2028-04-06 | — | Active (Vanity) |
| K4FEU | 10 | 49 | — | — | Available |
| K4FEV | 9 | 51 | — | — | Available |
| K4FEW | 9 | 51 | — | — | Available |
| K4FEX | 9 | 53 | — | — | Available |
| K4FEY | 9 | 55 | — | — | Available |
| K4FEZ | 9 | 53 | 2028-05-28 | — | Active (Vanity) |
| K4FFA | 9 | 55 | 2034-04-09 | — | Active (Vanity) |
| K4FFB | 9 | 59 | — | — | Available |
| K4FFC | 9 | 61 | 2033-03-22 | — | Active (Vanity) |
| K4FFD | 9 | 57 | 2036-10-23 | — | Active (Vanity) |
| K4FFE | 9 | 51 | — | — | Pending Application |
| K4FFF | 9 | 59 | 2026-08-02 | — | Active (Vanity) |
| K4FFG | 8 | 59 | 2016-04-15 | 2018-04-16 | Available |
| K4FFH | 9 | 57 | 2019-07-30 | 2021-07-31 | Available |
| K4FFI | 10 | 53 | 2010-07-17 | 2012-07-18 | Available |
| K4FFJ | 10 | 63 | — | — | Available |
| K4FFK | 9 | 59 | 2010-10-13 | 2012-10-14 | Available |
| K4FFL | 9 | 59 | 2026-03-11 | — | Active (Vanity) |
| K4FFM | 8 | 57 | 2032-03-01 | — | Active (Vanity) |
| K4FFN | 10 | 55 | — | — | Available |
| K4FFO | 9 | 61 | — | — | Available |
| K4FFP | 9 | 61 | — | — | Available |
| K4FFQ | 9 | 63 | — | — | Available |
| K4FFR | 10 | 57 | — | — | Available |
| K4FFS | 10 | 55 | 2031-10-05 | — | Active (Vanity) |
| K4FFT | 9 | 53 | — | — | Available |
| K4FFU | 10 | 57 | — | — | Available |
| K4FFV | 9 | 59 | — | — | Available |
| K4FFW | 9 | 59 | 2006-09-11 | 2008-09-12 | Available |
| K4FFX | 9 | 61 | — | — | Available |
| K4FFY | 9 | 63 | — | — | Available |
| K4FFZ | 9 | 61 | — | — | Available |
| K4FGA | 8 | 55 | 2015-08-17 | 2017-08-18 | Available |
| K4FGB | 8 | 59 | — | — | Available |
| K4FGC | 8 | 61 | — | — | Available |
| K4FGD | 8 | 57 | — | — | Available |
| K4FGE | 8 | 51 | — | — | Available |
| K4FGF | 8 | 59 | — | — | Available |
| K4FGG | 7 | 59 | 2020-12-08 | 2022-12-09 | Available |
| K4FGH | 8 | 57 | 2007-12-01 | 2010-07-09 | Available |
| K4FGI | 9 | 53 | 2004-04-05 | 2006-04-06 | Available |
| K4FGJ | 9 | 63 | — | — | Available |
| K4FGK | 8 | 59 | 2032-09-27 | — | Active (Vanity) |
| K4FGL | 8 | 59 | — | — | Available |
| K4FGM | 7 | 57 | — | — | Available |
| K4FGN | 9 | 55 | 2004-03-22 | 2006-03-23 | Available |
| K4FGO | 8 | 61 | — | — | Available |
| K4FGP | 8 | 61 | 2004-07-15 | 2006-07-16 | Available |
| K4FGQ | 8 | 63 | — | — | Available |
| K4FGR | 9 | 57 | — | — | Available |
| K4FGS | 9 | 55 | 2033-12-28 | — | Active (Vanity) |
| K4FGT | 8 | 53 | — | — | Available |
| K4FGU | 9 | 57 | 2024-03-05 | 2026-03-06 | Available |
| K4FGV | 8 | 59 | 2016-09-09 | 2018-09-10 | Available |
| K4FGW | 8 | 59 | — | — | Available |
| K4FGX | 8 | 61 | — | — | Available |
| K4FGY | 8 | 63 | 2027-05-26 | — | Active (Vanity) |
| K4FGZ | 8 | 61 | — | — | Available |
| K4FHA | 9 | 53 | — | — | Available |
| K4FHB | 9 | 57 | 2006-04-02 | 2008-04-03 | Available |
| K4FHC | 9 | 59 | — | — | Available |
| K4FHD | 9 | 55 | — | — | Available |
| K4FHE | 9 | 49 | 2031-03-22 | — | Active (Vanity) |
| K4FHF | 9 | 57 | 2001-05-14 | 2003-05-15 | Available |
| K4FHG | 8 | 57 | 2034-03-22 | — | Active (Vanity) |
| K4FHH | 9 | 55 | 2015-06-29 | 2017-06-30 | Available |
| K4FHI | 10 | 51 | 2027-03-27 | — | Active (Vanity) |
| K4FHJ | 10 | 61 | — | — | Available |
| K4FHK | 9 | 57 | 2033-06-04 | — | Active (Vanity) |
| K4FHL | 9 | 57 | 2028-06-15 | — | Active |
| K4FHM | 8 | 55 | 2034-05-18 | — | Active (Vanity) |
| K4FHN | 10 | 53 | 2024-07-09 | 2026-07-10 | Available |
| K4FHO | 9 | 59 | 2004-05-31 | 2006-06-01 | Available |
| K4FHP | 9 | 59 | 2036-10-10 | — | Active (Vanity) |
| K4FHQ | 9 | 61 | — | — | Available |
| K4FHR | 10 | 55 | 2029-02-26 | — | Active (Vanity) |
| K4FHS | 10 | 53 | 2004-06-16 | 2006-06-17 | Available |
| K4FHT | 9 | 51 | 2034-08-30 | — | Active (Vanity) |
| K4FHU | 10 | 55 | 2010-03-04 | 2012-03-05 | Available |
| K4FHV | 9 | 57 | 2014-10-18 | 2016-10-19 | Available |
| K4FHW | 9 | 57 | — | — | Available |
| K4FHX | 9 | 59 | — | — | Available |
| K4FHY | 9 | 61 | 2006-04-05 | 2008-04-06 | Available |
| K4FHZ | 9 | 59 | — | — | Available |
| K4FIA | 10 | 49 | — | — | Available |
| K4FIB | 10 | 53 | — | — | Available |
| K4FIC | 10 | 55 | 2029-03-27 | — | Active (Vanity) |
| K4FID | 10 | 51 | 2017-10-15 | 2019-10-16 | Available |
| K4FIE | 10 | 45 | 2030-03-16 | — | Active |
| K4FIF | 10 | 53 | 2033-06-03 | — | Active (Vanity) |
| K4FIG | 9 | 53 | — | — | Available |
| K4FIH | 10 | 51 | — | — | Available |
| K4FII | 11 | 47 | — | — | Available |
| K4FIJ | 11 | 57 | 2024-06-22 | 2026-06-23 | Available |
| K4FIK | 10 | 53 | — | — | Available |
| K4FIL | 10 | 53 | 2031-04-20 | — | Active (Vanity) |