District 4
2x2 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| KM4DC | 8 | 57 | 2027-05-23 | — | Active (Vanity) |
| KM4DD | 8 | 53 | 2036-09-06 | — | Active (Vanity) |
| KM4DE | 8 | 47 | 2036-05-27 | — | Active (Vanity) |
| KM4DF | 8 | 55 | — | — | Available |
| KM4DG | 7 | 55 | 2008-02-20 | 2010-02-21 | Available |
| KM4DH | 8 | 53 | 2010-08-21 | 2012-08-22 | Available |
| KM4DI | 9 | 49 | — | — | Available |
| KM4DJ | 9 | 59 | 2008-04-27 | 2010-04-28 | Available |
| KM4DK | 8 | 55 | 2029-04-05 | — | Active (Vanity) |
| KM4DL | 8 | 55 | — | — | Available |
| KM4DM | 7 | 53 | 2026-08-21 | 2028-08-22 | Canceled (grace period) |
| KM4DN | 9 | 51 | 2018-10-23 | 2020-10-24 | Available |
| KM4DO | 8 | 57 | 2027-10-10 | — | Active |
| KM4DP | 8 | 57 | 2028-04-16 | — | Active |
| KM4DQ | 8 | 59 | 2008-05-05 | 2010-05-06 | Available |
| KM4DR | 9 | 53 | 2029-05-27 | — | Active |
| KM4DS | 9 | 51 | — | — | Available |
| KM4DT | 8 | 49 | 2034-07-26 | — | Active (Vanity) |
| KM4DU | 9 | 53 | — | — | Available |
| KM4DV | 8 | 55 | — | — | Available |
| KM4DW | 8 | 55 | — | — | Available |
| KM4DX | 8 | 57 | 2030-01-12 | — | Active |
| KM4DY | 8 | 59 | 2029-10-16 | — | Active (Vanity) |
| KM4DZ | 8 | 57 | 2030-08-11 | — | Active (Vanity) |
| KM4EA | 8 | 45 | 2022-04-26 | 2024-04-27 | Available |
| KM4EB | 8 | 49 | 2008-03-24 | 2010-03-25 | Available |
| KM4EC | 8 | 51 | 2031-01-29 | — | Active (Vanity) |
| KM4ED | 8 | 47 | 2008-03-13 | 2010-03-14 | Available |
| KM4EE | 8 | 41 | — | — | Available |
| KM4EF | 8 | 49 | 2033-04-27 | — | Active |
| KM4EG | 7 | 49 | 1998-07-05 | 2000-07-06 | Available |
| KM4EH | 8 | 47 | — | — | Available |
| KM4EI | 9 | 43 | 2035-09-30 | — | Active |
| KM4EJ | 9 | 53 | 2018-09-10 | 2020-09-11 | Available |
| KM4EK | 8 | 49 | 1998-07-05 | 2000-07-06 | Available |
| KM4EL | 8 | 49 | 2031-03-26 | — | Active |
| KM4EM | 7 | 47 | 2029-06-18 | — | Active (Vanity) |
| KM4EN | 9 | 45 | 2028-03-26 | — | Active |
| KM4EO | 8 | 51 | 2011-09-02 | 2013-09-03 | Available |
| KM4EP | 8 | 51 | 2028-07-02 | — | Active |
| KM4EQ | 8 | 53 | 2028-04-25 | — | Active |
| KM4ER | 9 | 47 | 2008-08-12 | 2010-08-13 | Available |
| KM4ES | 9 | 45 | 2002-09-27 | 2004-09-28 | Available |
| KM4ET | 8 | 43 | 2028-03-31 | — | Active |
| KM4EU | 9 | 47 | 2018-08-26 | 2020-08-27 | Available |
| KM4EV | 8 | 49 | 2029-03-01 | — | Active |
| KM4EW | 8 | 49 | — | — | Available |
| KM4EX | 8 | 51 | 2029-05-31 | — | Active |
| KM4EY | 8 | 53 | 1998-07-26 | 2000-07-27 | Available |
| KM4EZ | 8 | 51 | 2028-03-16 | — | Active (Vanity) |
| KM4FA | 8 | 53 | 2027-06-09 | — | Active |
| KM4FB | 8 | 57 | 1998-07-26 | 2000-07-27 | Available |
| KM4FC | 8 | 59 | 2008-05-14 | 2010-05-15 | Available |
| KM4FD | 8 | 55 | 2008-04-16 | 2010-04-17 | Available |
| KM4FE | 8 | 49 | 2032-09-01 | — | Active |
| KM4FF | 8 | 57 | 2025-09-07 | — | Active |
| KM4FG | 7 | 57 | — | — | Available |
| KM4FH | 8 | 55 | 1998-01-22 | 2000-01-23 | Available |
| KM4FI | 9 | 51 | 2031-04-02 | — | Active |
| KM4FJ | 9 | 61 | 2031-07-22 | — | Active |
| KM4FK | 8 | 57 | 2003-02-09 | 2005-02-10 | Available |
| KM4FL | 8 | 57 | 2035-04-08 | — | Active |
| KM4FM | 7 | 55 | 2029-07-06 | — | Active |
| KM4FN | 9 | 53 | — | — | Available |
| KM4FO | 8 | 59 | 2029-07-20 | — | Active |
| KM4FP | 8 | 59 | 2019-06-11 | 2021-06-12 | Available |
| KM4FQ | 8 | 61 | 2018-10-28 | 2020-10-29 | Available |
| KM4FR | 9 | 55 | — | — | Available |
| KM4FS | 9 | 53 | — | — | Available |
| KM4FT | 8 | 51 | 2018-04-09 | 2020-04-10 | Available |
| KM4FU | 9 | 55 | — | — | Available |
| KM4FV | 8 | 57 | — | — | Available |
| KM4FW | 8 | 57 | 1998-08-17 | 2000-08-18 | Available |
| KM4FX | 8 | 59 | — | — | Available |
| KM4FY | 8 | 61 | 2028-12-16 | — | Active |
| KM4FZ | 8 | 59 | — | — | Available |
| KM4GA | 7 | 53 | 2035-06-06 | — | Active (Vanity) |
| KM4GB | 7 | 57 | 2028-06-11 | — | Active |
| KM4GC | 7 | 59 | 2028-05-15 | — | Active |
| KM4GD | 7 | 55 | 2030-12-05 | — | Active |
| KM4GE | 7 | 49 | — | — | Available |
| KM4GF | 7 | 57 | 2008-05-11 | 2010-05-12 | Available |
| KM4GG | 6 | 57 | 2028-04-22 | — | Active |
| KM4GH | 7 | 55 | 2028-05-11 | — | Active |
| KM4GI | 8 | 51 | 2031-10-08 | — | Active |
| KM4GJ | 8 | 61 | 2021-09-17 | 2023-09-18 | Available |
| KM4GK | 7 | 57 | — | — | Available |
| KM4GL | 7 | 57 | 2028-04-30 | — | Active |
| KM4GM | 6 | 55 | — | — | Available |
| KM4GN | 8 | 53 | 1998-06-02 | 2000-06-03 | Available |
| KM4GO | 7 | 59 | 1998-07-22 | 2000-07-23 | Available |
| KM4GP | 7 | 59 | 2008-04-27 | 2010-04-28 | Available |
| KM4GQ | 7 | 61 | 2030-07-31 | — | Active |
| KM4GR | 8 | 55 | 2032-01-31 | — | Active (Vanity) |
| KM4GS | 8 | 53 | 2036-02-18 | — | Active (Vanity) |
| KM4GT | 7 | 51 | 2024-12-31 | 2027-01-01 | Canceled (grace period) |
| KM4GU | 8 | 55 | 2008-05-18 | 2010-05-19 | Available |
| KM4GV | 7 | 57 | 2028-06-08 | — | Active |
| KM4GW | 7 | 57 | — | — | Available |
| KM4GX | 7 | 59 | 2033-09-30 | — | Active (Vanity) |