District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| K4MLC | 8 | 59 | 2034-11-13 | — | Active (Vanity) |
| K4MLD | 8 | 55 | 2029-04-09 | — | Active |
| K4MLE | 8 | 49 | 2024-03-05 | 2026-03-06 | Available |
| K4MLF | 8 | 57 | 2031-06-12 | — | Active (Vanity) |
| K4MLG | 7 | 57 | 2031-04-20 | — | Active (Vanity) |
| K4MLH | 8 | 55 | 2028-10-27 | — | Active (Vanity) |
| K4MLI | 9 | 51 | — | — | Available |
| K4MLJ | 9 | 61 | 2036-01-19 | — | Active |
| K4MLK | 8 | 57 | 2033-11-21 | — | Active |
| K4MLL | 8 | 57 | 2036-11-22 | — | Active (Vanity) |
| K4MLM | 7 | 55 | 2030-08-06 | — | Active (Vanity) |
| K4MLN | 9 | 53 | 2021-09-14 | 2023-09-15 | Available |
| K4MLO | 8 | 59 | 2036-09-27 | — | Active (Vanity) |
| K4MLP | 8 | 59 | 2028-03-16 | — | Active (Vanity) |
| K4MLQ | 8 | 61 | — | — | Available |
| K4MLR | 9 | 55 | 2026-10-10 | — | Active |
| K4MLS | 9 | 53 | 2031-06-05 | — | Active (Vanity) |
| K4MLT | 8 | 51 | 2034-03-12 | — | Active (Vanity) |
| K4MLU | 9 | 55 | 2033-10-11 | — | Active (Vanity) |
| K4MLV | 8 | 57 | — | — | Available |
| K4MLW | 8 | 57 | 2028-03-10 | — | Active (Vanity) |
| K4MLX | 8 | 59 | 2030-02-14 | — | Active (Vanity) |
| K4MLY | 8 | 61 | 2030-06-13 | — | Active (Vanity) |
| K4MLZ | 8 | 59 | 2033-02-17 | — | Active (Vanity) |
| K4MMA | 7 | 51 | 2026-01-08 | — | Active (Vanity) |
| K4MMB | 7 | 55 | 2028-04-24 | — | Active (Vanity) |
| K4MMC | 7 | 57 | 2029-10-25 | — | Active (Vanity) |
| K4MMD | 7 | 53 | 2023-02-14 | 2025-02-15 | Available |
| K4MME | 7 | 47 | 2032-09-14 | — | Active (Vanity) |
| K4MMF | 7 | 55 | 2015-09-05 | 2017-09-06 | Available |
| K4MMG | 6 | 55 | 2035-02-11 | — | Active (Vanity) |
| K4MMH | 7 | 53 | 2035-08-04 | — | Active (Vanity) |
| K4MMI | 8 | 49 | — | — | Available |
| K4MMJ | 8 | 59 | 2030-05-15 | — | Active (Vanity) |
| K4MMK | 7 | 55 | 2024-05-24 | 2026-05-25 | Available |
| K4MML | 7 | 55 | — | — | Available |
| K4MMM | 6 | 53 | 2026-11-04 | — | Active (Vanity) |
| K4MMN | 8 | 51 | 2022-06-01 | 2024-06-02 | Available |
| K4MMO | 7 | 57 | 2029-12-24 | — | Active (Vanity) |
| K4MMP | 7 | 57 | 2033-08-23 | — | Active (Vanity) |
| K4MMQ | 7 | 59 | — | — | Available |
| K4MMR | 8 | 53 | 2035-06-11 | — | Active (Vanity) |
| K4MMS | 8 | 51 | 2024-09-28 | 2026-09-29 | Available |
| K4MMT | 7 | 49 | 2029-07-24 | — | Active (Vanity) |
| K4MMU | 8 | 53 | 2017-06-10 | 2019-06-11 | Available |
| K4MMV | 7 | 55 | 2027-04-14 | — | Active (Vanity) |
| K4MMW | 7 | 55 | 2027-12-19 | — | Active (Vanity) |
| K4MMX | 7 | 57 | 2035-11-28 | — | Active (Vanity) |
| K4MMY | 7 | 59 | 2027-11-17 | — | Active (Vanity) |
| K4MMZ | 7 | 57 | 2030-10-24 | — | Active (Vanity) |
| K4MNA | 9 | 49 | 2028-04-13 | — | Active (Vanity) |
| K4MNB | 9 | 53 | 2016-07-02 | 2018-07-03 | Available |
| K4MNC | 9 | 55 | 2029-06-11 | — | Active (Vanity) |
| K4MND | 9 | 51 | — | — | Available |
| K4MNE | 9 | 45 | 2036-11-25 | — | Active (Vanity) |
| K4MNF | 9 | 53 | 2034-04-08 | — | Active (Vanity) |
| K4MNG | 8 | 53 | 2023-05-29 | 2025-05-30 | Available |
| K4MNH | 9 | 51 | — | — | Available |
| K4MNI | 10 | 47 | 2031-11-01 | — | Active (Vanity) |
| K4MNJ | 10 | 57 | 2032-03-15 | — | Active (Vanity) |
| K4MNK | 9 | 53 | 2030-01-12 | — | Active (Vanity) |
| K4MNL | 9 | 53 | — | — | Available |
| K4MNM | 8 | 51 | 2032-05-03 | — | Active (Vanity) |
| K4MNN | 10 | 49 | 2029-08-18 | — | Active (Vanity) |
| K4MNO | 9 | 55 | — | — | Available |
| K4MNP | 9 | 55 | — | — | Available |
| K4MNQ | 9 | 57 | — | — | Available |
| K4MNR | 10 | 51 | — | — | Available |
| K4MNS | 10 | 49 | 2026-01-19 | — | Active (Vanity) |
| K4MNT | 9 | 47 | 2030-03-12 | — | Active (Vanity) |
| K4MNU | 10 | 51 | — | — | Available |
| K4MNV | 9 | 53 | — | — | Available |
| K4MNW | 9 | 53 | 2028-05-06 | — | Active (Vanity) |
| K4MNX | 9 | 55 | — | — | Available |
| K4MNY | 9 | 57 | 2024-03-05 | 2026-03-06 | Available |
| K4MNZ | 9 | 55 | 2030-10-17 | — | Active (Vanity) |
| K4MOA | 8 | 55 | 2028-03-11 | — | Active (Vanity) |
| K4MOB | 8 | 59 | 2030-09-15 | — | Active (Vanity) |
| K4MOC | 8 | 61 | 2028-12-06 | — | Active (Vanity) |
| K4MOD | 8 | 57 | 2028-12-04 | — | Active (Vanity) |
| K4MOE | 8 | 51 | 2032-06-10 | — | Active (Vanity) |
| K4MOF | 8 | 59 | 2035-05-09 | — | Active (Vanity) |
| K4MOG | 7 | 59 | 2028-02-25 | — | Active |
| K4MOH | 8 | 57 | — | — | Available |
| K4MOI | 9 | 53 | 2028-08-24 | — | Active (Vanity) |
| K4MOJ | 9 | 63 | 2018-12-09 | 2020-12-10 | Available |
| K4MOK | 8 | 59 | — | — | Available |
| K4MOL | 8 | 59 | 2023-02-16 | 2025-02-17 | Available |
| K4MOM | 7 | 57 | 2031-07-01 | — | Active (Vanity) |
| K4MON | 9 | 55 | 2018-04-29 | 2020-04-30 | Available |
| K4MOO | 8 | 61 | 2033-06-22 | — | Active (Vanity) |
| K4MOP | 8 | 61 | 2016-11-21 | 2018-11-22 | Available |
| K4MOQ | 8 | 63 | — | — | Available |
| K4MOR | 9 | 57 | 2036-07-17 | — | Active (Vanity) |
| K4MOS | 9 | 55 | 2027-10-01 | — | Active |
| K4MOT | 8 | 53 | 2026-04-15 | — | Active |
| K4MOU | 9 | 57 | — | — | Available |
| K4MOV | 8 | 59 | 2031-03-26 | — | Active (Vanity) |
| K4MOW | 8 | 59 | 2032-09-20 | — | Active (Vanity) |
| K4MOX | 8 | 61 | 2029-03-17 | — | Active |