District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| K4MHG | 7 | 55 | 2026-04-07 | — | Active (Vanity) |
| K4MHH | 8 | 53 | 2032-02-11 | — | Active (Vanity) |
| K4MHI | 9 | 49 | — | — | Available |
| K4MHJ | 9 | 59 | — | — | Available |
| K4MHK | 8 | 55 | 2012-08-13 | 2014-08-14 | Available |
| K4MHL | 8 | 55 | 2012-11-03 | 2014-11-04 | Available |
| K4MHM | 7 | 53 | 2028-03-10 | — | Active (Vanity) |
| K4MHN | 9 | 51 | — | — | Available |
| K4MHO | 8 | 57 | — | — | Available |
| K4MHP | 8 | 57 | 2026-03-20 | — | Active |
| K4MHQ | 8 | 59 | — | — | Available |
| K4MHR | 9 | 53 | 2032-04-30 | — | Active (Vanity) |
| K4MHS | 9 | 51 | 2025-03-31 | — | Active (Vanity) |
| K4MHT | 8 | 49 | 2036-04-25 | — | Active (Vanity) |
| K4MHU | 9 | 53 | — | — | Available |
| K4MHV | 8 | 55 | — | — | Available |
| K4MHW | 8 | 55 | 2033-03-03 | — | Active (Vanity) |
| K4MHX | 8 | 57 | 2034-10-24 | — | Active |
| K4MHY | 8 | 59 | 2006-02-08 | 2008-02-09 | Available |
| K4MHZ | 8 | 57 | 2032-01-05 | — | Active (Vanity) |
| K4MIA | 9 | 47 | 2036-05-13 | — | Active (Vanity) |
| K4MIB | 9 | 51 | 2035-07-17 | — | Active |
| K4MIC | 9 | 53 | 2034-03-09 | — | Active (Vanity) |
| K4MID | 9 | 49 | 2030-02-11 | — | Active (Vanity) |
| K4MIE | 9 | 43 | 2032-07-12 | — | Active (Vanity) |
| K4MIF | 9 | 51 | 2023-05-28 | 2025-05-29 | Available |
| K4MIG | 8 | 51 | 2036-06-18 | — | Active (Vanity) |
| K4MIH | 9 | 49 | 2013-09-14 | 2015-09-15 | Available |
| K4MII | 10 | 45 | — | — | Available |
| K4MIJ | 10 | 55 | 2032-05-05 | — | Active |
| K4MIK | 9 | 51 | 2027-04-08 | — | Active (Vanity) |
| K4MIL | 9 | 51 | 2034-06-02 | — | Active (Vanity) |
| K4MIM | 8 | 49 | 2028-10-23 | — | Active (Vanity) |
| K4MIN | 10 | 47 | 2035-10-23 | — | Active (Vanity) |
| K4MIO | 9 | 53 | — | — | Available |
| K4MIP | 9 | 53 | — | — | Available |
| K4MIQ | 9 | 55 | 2031-02-09 | — | Active (Vanity) |
| K4MIR | 10 | 49 | 2032-07-06 | — | Active (Vanity) |
| K4MIS | 10 | 47 | 2019-02-24 | 2021-02-25 | Available |
| K4MIT | 9 | 45 | 2031-10-18 | — | Active (Vanity) |
| K4MIU | 10 | 49 | — | — | Available |
| K4MIV | 9 | 51 | — | — | Available |
| K4MIW | 9 | 51 | — | — | Available |
| K4MIX | 9 | 53 | 2036-07-31 | — | Active (Vanity) |
| K4MIY | 9 | 55 | — | — | Available |
| K4MIZ | 9 | 53 | 2034-12-17 | — | Active (Vanity) |
| K4MJA | 9 | 57 | 2028-03-27 | — | Active (Vanity) |
| K4MJB | 9 | 61 | 2031-04-26 | — | Active (Vanity) |
| K4MJC | 9 | 63 | 2036-06-23 | — | Active (Vanity) |
| K4MJD | 9 | 59 | 2025-06-27 | 2027-06-28 | Canceled (grace period) |
| K4MJE | 9 | 53 | — | — | Available |
| K4MJF | 9 | 61 | 2036-04-08 | — | Active (Vanity) |
| K4MJG | 8 | 61 | 2035-06-02 | — | Active (Vanity) |
| K4MJH | 9 | 59 | 2029-12-21 | — | Active (Vanity) |
| K4MJI | 10 | 55 | — | — | Available |
| K4MJJ | 10 | 65 | 2029-04-09 | — | Active (Vanity) |
| K4MJK | 9 | 61 | 2030-08-22 | — | Active (Vanity) |
| K4MJL | 9 | 61 | 2033-09-16 | — | Active (Vanity) |
| K4MJM | 8 | 59 | 2036-12-16 | — | Active (Vanity) |
| K4MJN | 10 | 57 | 2027-03-05 | — | Active |
| K4MJO | 9 | 63 | 2034-09-28 | — | Active (Vanity) |
| K4MJP | 9 | 63 | 2033-12-23 | — | Active (Vanity) |
| K4MJQ | 9 | 65 | 2034-10-26 | — | Active (Vanity) |
| K4MJR | 10 | 59 | 2029-12-31 | — | Active (Vanity) |
| K4MJS | 10 | 57 | 2026-11-04 | — | Active (Vanity) |
| K4MJT | 9 | 55 | 2028-01-08 | — | Active (Vanity) |
| K4MJU | 10 | 59 | 2027-09-18 | — | Active |
| K4MJV | 9 | 61 | 2029-06-18 | — | Active (Vanity) |
| K4MJW | 9 | 61 | 2034-04-12 | — | Active (Vanity) |
| K4MJX | 9 | 63 | — | — | Available |
| K4MJY | 9 | 65 | 2017-12-11 | 2019-12-12 | Available |
| K4MJZ | 9 | 63 | — | — | Available |
| K4MKA | 8 | 53 | — | — | Available |
| K4MKB | 8 | 57 | 2029-03-12 | — | Active (Vanity) |
| K4MKC | 8 | 59 | 2023-07-27 | 2025-07-28 | Available |
| K4MKD | 8 | 55 | 2029-11-23 | — | Active (Vanity) |
| K4MKE | 8 | 49 | 2027-09-23 | — | Active (Vanity) |
| K4MKF | 8 | 57 | 2034-01-03 | — | Active (Vanity) |
| K4MKG | 7 | 57 | — | — | Available |
| K4MKH | 8 | 55 | 2032-05-30 | — | Active (Vanity) |
| K4MKI | 9 | 51 | — | — | Available |
| K4MKJ | 9 | 61 | 2027-03-23 | — | Active (Vanity) |
| K4MKK | 8 | 57 | — | — | Available |
| K4MKL | 8 | 57 | 2034-01-09 | — | Active (Vanity) |
| K4MKM | 7 | 55 | 2029-02-26 | — | Active (Vanity) |
| K4MKN | 9 | 53 | — | — | Available |
| K4MKO | 8 | 59 | — | — | Available |
| K4MKP | 8 | 59 | 2035-01-14 | — | Active (Vanity) |
| K4MKQ | 8 | 61 | 2017-01-27 | 2019-01-28 | Available |
| K4MKR | 9 | 55 | 2027-07-11 | — | Active (Vanity) |
| K4MKS | 9 | 53 | 2036-11-04 | — | Active (Vanity) |
| K4MKT | 8 | 51 | 2022-01-04 | 2024-01-05 | Available |
| K4MKU | 9 | 55 | — | — | Available |
| K4MKV | 8 | 57 | 2033-05-20 | — | Active (Vanity) |
| K4MKW | 8 | 57 | 2032-06-11 | — | Active |
| K4MKX | 8 | 59 | 2033-02-24 | — | Active (Vanity) |
| K4MKY | 8 | 61 | 2028-05-01 | — | Active (Vanity) |
| K4MKZ | 8 | 59 | — | — | Available |
| K4MLA | 8 | 53 | 2035-09-19 | — | Active |
| K4MLB | 8 | 57 | 2031-01-13 | — | Active (Vanity) |