District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| K4KNC | 10 | 57 | 2023-03-16 | 2025-03-17 | Available |
| K4KND | 10 | 53 | — | — | Available |
| K4KNE | 10 | 47 | 2034-07-20 | — | Active (Vanity) |
| K4KNF | 10 | 55 | 2030-10-06 | — | Active (Vanity) |
| K4KNG | 9 | 55 | 2033-10-31 | — | Active (Vanity) |
| K4KNH | 10 | 53 | — | — | Available |
| K4KNI | 11 | 49 | 2003-07-15 | 2005-07-16 | Available |
| K4KNJ | 11 | 59 | 2031-03-22 | — | Active (Vanity) |
| K4KNK | 10 | 55 | — | — | Available |
| K4KNL | 10 | 55 | — | — | Available |
| K4KNM | 9 | 53 | 2004-05-10 | 2006-05-11 | Available |
| K4KNN | 11 | 51 | 2034-07-11 | — | Active (Vanity) |
| K4KNO | 10 | 57 | 2026-08-04 | 2028-08-05 | Canceled (grace period) |
| K4KNP | 10 | 57 | — | — | Available |
| K4KNQ | 10 | 59 | 2004-07-15 | 2006-07-16 | Available |
| K4KNR | 11 | 53 | 2000-03-27 | 2002-03-28 | Available |
| K4KNS | 11 | 51 | 2036-11-22 | — | Active (Vanity) |
| K4KNT | 10 | 49 | 2035-08-08 | — | Active (Vanity) |
| K4KNU | 11 | 53 | — | — | Available |
| K4KNV | 10 | 55 | — | — | Available |
| K4KNW | 10 | 55 | 2002-07-26 | 2004-07-27 | Available |
| K4KNX | 10 | 57 | 2031-12-02 | — | Active (Vanity) |
| K4KNY | 10 | 59 | — | — | Available |
| K4KNZ | 10 | 57 | 2030-08-18 | — | Active (Vanity) |
| K4KOA | 9 | 57 | 2035-01-07 | — | Active (Vanity) |
| K4KOB | 9 | 61 | 2034-06-11 | — | Active (Vanity) |
| K4KOC | 9 | 63 | 2031-04-17 | — | Active (Vanity) |
| K4KOD | 9 | 59 | 2033-11-07 | — | Active (Vanity) |
| K4KOE | 9 | 53 | 2026-06-18 | — | Active (Vanity) |
| K4KOF | 9 | 61 | 2030-10-14 | — | Active (Vanity) |
| K4KOG | 8 | 61 | 2036-03-17 | — | Active (Vanity) |
| K4KOH | 9 | 59 | 2032-04-01 | — | Active (Vanity) |
| K4KOI | 10 | 55 | 2030-06-17 | — | Active (Vanity) |
| K4KOJ | 10 | 65 | 2003-07-13 | 2005-07-14 | Available |
| K4KOK | 9 | 61 | 2023-03-28 | 2025-03-29 | Available |
| K4KOL | 9 | 61 | 2026-03-09 | — | Active |
| K4KOM | 8 | 59 | 2027-08-29 | — | Active (Vanity) |
| K4KON | 10 | 57 | 2006-03-19 | 2008-03-20 | Available |
| K4KOO | 9 | 63 | 2024-12-06 | 2026-12-07 | Canceled (grace period) |
| K4KOP | 9 | 63 | 2032-06-11 | — | Active (Vanity) |
| K4KOQ | 9 | 65 | 2023-07-13 | 2025-07-14 | Available |
| K4KOR | 10 | 59 | 2026-07-25 | — | Active (Vanity) |
| K4KOS | 10 | 57 | 2028-09-12 | — | Active (Vanity) |
| K4KOT | 9 | 55 | 2030-09-01 | — | Active (Vanity) |
| K4KOU | 10 | 59 | 2002-06-20 | 2004-06-21 | Available |
| K4KOV | 9 | 61 | — | — | Available |
| K4KOW | 9 | 61 | 2026-01-11 | — | Active |
| K4KOX | 9 | 63 | 2036-06-12 | — | Active (Vanity) |
| K4KOY | 9 | 65 | — | — | Available |
| K4KOZ | 9 | 63 | 2032-07-06 | — | Active (Vanity) |
| K4KPA | 9 | 57 | 2033-05-28 | — | Active (Vanity) |
| K4KPB | 9 | 61 | 2030-03-11 | — | Active (Vanity) |
| K4KPC | 9 | 63 | 2029-03-12 | — | Active (Vanity) |
| K4KPD | 9 | 59 | 2031-06-29 | — | Active (Vanity) |
| K4KPE | 9 | 53 | — | — | Available |
| K4KPF | 9 | 61 | 2031-11-27 | — | Active (Vanity) |
| K4KPG | 8 | 61 | 2025-08-12 | 2027-08-13 | Canceled (grace period) |
| K4KPH | 9 | 59 | 2029-02-09 | — | Active (Vanity) |
| K4KPI | 10 | 55 | 2030-09-29 | — | Active (Vanity) |
| K4KPJ | 10 | 65 | — | — | Available |
| K4KPK | 9 | 61 | 2032-08-14 | — | Active (Vanity) |
| K4KPL | 9 | 61 | 2030-10-02 | — | Active (Vanity) |
| K4KPM | 8 | 59 | 2028-01-26 | — | Active |
| K4KPN | 10 | 57 | 2032-12-27 | — | Active (Vanity) |
| K4KPO | 9 | 63 | 2024-05-17 | 2026-05-18 | Available |
| K4KPP | 9 | 63 | 2006-03-26 | 2008-03-27 | Available |
| K4KPQ | 9 | 65 | — | — | Available |
| K4KPR | 10 | 59 | 2028-11-24 | — | Active (Vanity) |
| K4KPS | 10 | 57 | — | — | Available |
| K4KPT | 9 | 55 | 2027-10-24 | — | Active (Vanity) |
| K4KPU | 10 | 59 | 2021-12-11 | 2023-12-12 | Available |
| K4KPV | 9 | 61 | 2035-03-29 | — | Active (Vanity) |
| K4KPW | 9 | 61 | 2034-09-23 | — | Active (Vanity) |
| K4KPX | 9 | 63 | — | — | Available |
| K4KPY | 9 | 65 | 2015-03-31 | 2017-04-01 | Available |
| K4KPZ | 9 | 63 | 2035-12-09 | — | Active (Vanity) |
| K4KQA | 9 | 59 | 2004-07-27 | 2006-07-28 | Available |
| K4KQB | 9 | 63 | — | — | Available |
| K4KQC | 9 | 65 | — | — | Available |
| K4KQD | 9 | 61 | 2032-05-10 | — | Active (Vanity) |
| K4KQE | 9 | 55 | 2022-01-18 | 2024-01-19 | Available |
| K4KQF | 9 | 63 | — | — | Available |
| K4KQG | 8 | 63 | — | — | Available |
| K4KQH | 9 | 61 | — | — | Available |
| K4KQI | 10 | 57 | — | — | Available |
| K4KQJ | 10 | 67 | 2010-03-19 | 2012-03-20 | Available |
| K4KQK | 9 | 63 | 2029-05-25 | — | Active |
| K4KQL | 9 | 63 | 2024-04-09 | 2026-04-10 | Available |
| K4KQM | 8 | 61 | — | — | Available |
| K4KQN | 10 | 59 | — | — | Available |
| K4KQO | 9 | 65 | — | — | Available |
| K4KQP | 9 | 65 | — | — | Available |
| K4KQQ | 9 | 67 | 2029-04-17 | — | Active (Vanity) |
| K4KQR | 10 | 61 | 2034-08-23 | — | Active |
| K4KQS | 10 | 59 | — | — | Available |
| K4KQT | 9 | 57 | 2034-10-14 | — | Active |
| K4KQU | 10 | 61 | — | — | Available |
| K4KQV | 9 | 63 | 2026-08-13 | — | Active |
| K4KQW | 9 | 63 | — | — | Available |
| K4KQX | 9 | 65 | 2028-10-30 | — | Active (Vanity) |