District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| K4MDK | 8 | 55 | 2035-02-11 | — | Active (Vanity) |
| K4MDL | 8 | 55 | 2035-08-08 | — | Active (Vanity) |
| K4MDM | 7 | 53 | 2032-07-13 | — | Active (Vanity) |
| K4MDN | 9 | 51 | 2032-02-14 | — | Active (Vanity) |
| K4MDO | 8 | 57 | 2029-09-27 | — | Active (Vanity) |
| K4MDP | 8 | 57 | 2026-12-09 | — | Active (Vanity) |
| K4MDQ | 8 | 59 | 2029-07-27 | — | Active (Vanity) |
| K4MDR | 9 | 53 | 2029-02-20 | — | Active (Vanity) |
| K4MDS | 9 | 51 | 2028-12-30 | — | Active (Vanity) |
| K4MDT | 8 | 49 | — | — | Available |
| K4MDU | 9 | 53 | — | — | Available |
| K4MDV | 8 | 55 | 2029-01-30 | — | Active (Vanity) |
| K4MDW | 8 | 55 | 2034-07-07 | — | Active (Vanity) |
| K4MDX | 8 | 57 | 2027-06-16 | — | Active (Vanity) |
| K4MDY | 8 | 59 | 2031-04-16 | — | Active (Vanity) |
| K4MDZ | 8 | 57 | 2034-07-16 | — | Active (Vanity) |
| K4MEA | 8 | 45 | 2030-11-21 | — | Active (Vanity) |
| K4MEB | 8 | 49 | 2026-01-08 | — | Active (Vanity) |
| K4MEC | 8 | 51 | — | — | Pending Application |
| K4MED | 8 | 47 | 2028-11-12 | — | Active (Vanity) |
| K4MEE | 8 | 41 | 2030-11-13 | — | Active (Vanity) |
| K4MEF | 8 | 49 | 2034-12-02 | — | Active (Vanity) |
| K4MEG | 7 | 49 | 2027-01-14 | — | Active (Vanity) |
| K4MEH | 8 | 47 | 2022-11-22 | 2024-11-23 | Available |
| K4MEI | 9 | 43 | 2035-08-12 | — | Active (Vanity) |
| K4MEJ | 9 | 53 | 2030-12-22 | — | Active (Vanity) |
| K4MEK | 8 | 49 | 2036-03-29 | — | Active (Vanity) |
| K4MEL | 8 | 49 | 2036-01-27 | — | Active (Vanity) |
| K4MEM | 7 | 47 | 2029-01-13 | — | Active (Vanity) |
| K4MEN | 9 | 45 | 2028-03-23 | — | Active |
| K4MEO | 8 | 51 | 2032-10-29 | — | Active (Vanity) |
| K4MEP | 8 | 51 | 2031-07-13 | — | Active (Vanity) |
| K4MEQ | 8 | 53 | — | — | Available |
| K4MER | 9 | 47 | 2034-11-08 | — | Active (Vanity) |
| K4MES | 9 | 45 | 2035-03-04 | — | Active (Vanity) |
| K4MET | 8 | 43 | 2032-03-29 | — | Active (Vanity) |
| K4MEU | 9 | 47 | — | — | Available |
| K4MEV | 8 | 49 | — | — | Available |
| K4MEW | 8 | 49 | 2035-05-30 | — | Active (Vanity) |
| K4MEX | 8 | 51 | 2034-08-27 | — | Active (Vanity) |
| K4MEY | 8 | 53 | — | — | Available |
| K4MEZ | 8 | 51 | 2030-01-28 | — | Active (Vanity) |
| K4MFA | 8 | 53 | 2027-03-20 | — | Active (Vanity) |
| K4MFB | 8 | 57 | 2028-03-28 | — | Active (Vanity) |
| K4MFC | 8 | 59 | 2032-08-30 | — | Active (Vanity) |
| K4MFD | 8 | 55 | 2028-11-18 | — | Active (Vanity) |
| K4MFE | 8 | 49 | — | — | Available |
| K4MFF | 8 | 57 | — | — | Available |
| K4MFG | 7 | 57 | 2027-12-12 | — | Active (Vanity) |
| K4MFH | 8 | 55 | — | — | Available |
| K4MFI | 9 | 51 | — | — | Available |
| K4MFJ | 9 | 61 | — | — | Available |
| K4MFK | 8 | 57 | 2019-04-04 | 2021-04-05 | Available |
| K4MFL | 8 | 57 | 2027-11-14 | — | Active (Vanity) |
| K4MFM | 7 | 55 | 2030-07-11 | — | Active (Vanity) |
| K4MFN | 9 | 53 | 2034-10-25 | — | Active |
| K4MFO | 8 | 59 | 2034-11-14 | — | Active (Vanity) |
| K4MFP | 8 | 59 | 2008-07-07 | 2010-07-08 | Available |
| K4MFQ | 8 | 61 | — | — | Available |
| K4MFR | 9 | 55 | 2006-03-25 | 2008-03-26 | Available |
| K4MFS | 9 | 53 | — | — | Available |
| K4MFT | 8 | 51 | — | — | Available |
| K4MFU | 9 | 55 | 2008-03-03 | 2010-03-04 | Available |
| K4MFV | 8 | 57 | — | — | Available |
| K4MFW | 8 | 57 | 2031-02-27 | — | Active (Vanity) |
| K4MFX | 8 | 59 | 2004-07-24 | 2006-07-25 | Available |
| K4MFY | 8 | 61 | 2035-07-05 | — | Active (Vanity) |
| K4MFZ | 8 | 59 | — | — | Available |
| K4MGA | 7 | 53 | 2032-02-04 | — | Active |
| K4MGB | 7 | 57 | 2021-08-21 | 2023-08-22 | Available |
| K4MGC | 7 | 59 | 2027-07-11 | — | Active (Vanity) |
| K4MGD | 7 | 55 | 2034-05-29 | — | Active (Vanity) |
| K4MGE | 7 | 49 | 2030-05-14 | — | Active (Vanity) |
| K4MGF | 7 | 57 | — | — | Available |
| K4MGG | 6 | 57 | 2034-08-23 | — | Active (Vanity) |
| K4MGH | 7 | 55 | — | — | Available |
| K4MGI | 8 | 51 | — | — | Available |
| K4MGJ | 8 | 61 | — | — | Available |
| K4MGK | 7 | 57 | 2004-08-17 | 2006-08-18 | Available |
| K4MGL | 7 | 57 | 2026-12-20 | — | Active (Vanity) |
| K4MGM | 6 | 55 | 2025-01-22 | 2027-01-23 | Canceled (grace period) |
| K4MGN | 8 | 53 | 2028-07-31 | — | Active (Vanity) |
| K4MGO | 7 | 59 | 2031-03-19 | — | Active (Vanity) |
| K4MGP | 7 | 59 | 2023-09-14 | 2025-09-15 | Available |
| K4MGQ | 7 | 61 | 2033-12-05 | — | Active (Vanity) |
| K4MGR | 8 | 55 | 2025-09-13 | — | Active (Vanity) |
| K4MGS | 8 | 53 | 2025-04-01 | — | Active |
| K4MGT | 7 | 51 | 2021-02-21 | 2023-02-22 | Available |
| K4MGU | 8 | 55 | 2031-06-04 | — | Active (Vanity) |
| K4MGV | 7 | 57 | — | — | Available |
| K4MGW | 7 | 57 | 2023-05-18 | 2025-05-19 | Available |
| K4MGX | 7 | 59 | 2028-01-08 | — | Active |
| K4MGY | 7 | 61 | 2028-12-09 | — | Active (Vanity) |
| K4MGZ | 7 | 59 | 2032-04-12 | — | Active (Vanity) |
| K4MHA | 8 | 51 | — | — | Available |
| K4MHB | 8 | 55 | — | — | Available |
| K4MHC | 8 | 57 | 2021-06-29 | 2023-06-30 | Available |
| K4MHD | 8 | 53 | 2035-08-08 | — | Active (Vanity) |
| K4MHE | 8 | 47 | — | — | Available |
| K4MHF | 8 | 55 | — | — | Available |