District 4
2x2 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| KM4OQ | 8 | 63 | — | — | Available |
| KM4OR | 9 | 57 | 2028-10-16 | — | Active |
| KM4OS | 9 | 55 | 2028-10-16 | — | Active |
| KM4OT | 8 | 53 | 2029-05-14 | — | Active (Vanity) |
| KM4OU | 9 | 57 | 2033-05-11 | — | Active |
| KM4OV | 8 | 59 | — | — | Available |
| KM4OW | 8 | 59 | — | — | Pending Application |
| KM4OX | 8 | 61 | — | — | Available |
| KM4OY | 8 | 63 | 2029-10-25 | — | Active |
| KM4OZ | 8 | 61 | 2029-02-17 | — | Active |
| KM4PA | 8 | 55 | 2035-12-30 | — | Active (Vanity) |
| KM4PB | 8 | 59 | 2034-10-21 | — | Active |
| KM4PC | 8 | 61 | 2035-12-09 | — | Active (Vanity) |
| KM4PD | 8 | 57 | — | — | Available |
| KM4PE | 8 | 51 | 2030-02-13 | — | Active |
| KM4PF | 8 | 59 | 2002-04-09 | 2004-04-10 | Available |
| KM4PG | 7 | 59 | 2010-03-14 | 2012-03-15 | Available |
| KM4PH | 8 | 57 | 2009-03-02 | 2011-03-03 | Available |
| KM4PI | 9 | 53 | 2008-12-10 | 2010-12-11 | Available |
| KM4PJ | 9 | 63 | 1999-03-14 | 2001-03-15 | Available |
| KM4PK | 8 | 59 | 2002-11-26 | 2004-11-27 | Available |
| KM4PL | 8 | 59 | 2009-11-30 | 2011-12-01 | Available |
| KM4PM | 7 | 57 | — | — | Available |
| KM4PN | 9 | 55 | 1998-12-09 | 2000-12-10 | Available |
| KM4PO | 8 | 61 | 2029-10-20 | — | Active |
| KM4PP | 8 | 61 | — | — | Available |
| KM4PQ | 8 | 63 | 2001-12-10 | 2003-12-11 | Available |
| KM4PR | 9 | 57 | — | — | Available |
| KM4PS | 9 | 55 | 2008-11-16 | 2010-11-17 | Available |
| KM4PT | 8 | 53 | 2028-04-13 | — | Active (Vanity) |
| KM4PU | 9 | 57 | 2008-12-28 | 2010-12-29 | Available |
| KM4PV | 8 | 59 | 2032-09-29 | — | Active |
| KM4PW | 8 | 59 | 2030-02-01 | — | Active (Vanity) |
| KM4PX | 8 | 61 | 1999-03-28 | 2001-03-29 | Available |
| KM4PY | 8 | 63 | 1999-03-28 | 2001-03-29 | Available |
| KM4PZ | 8 | 61 | — | — | Available |
| KM4QA | 8 | 57 | — | — | Available |
| KM4QB | 8 | 61 | 1999-04-04 | 2001-04-05 | Available |
| KM4QC | 8 | 63 | — | — | Available |
| KM4QD | 8 | 59 | 2019-04-13 | 2021-04-14 | Available |
| KM4QE | 8 | 53 | 2029-10-16 | — | Active |
| KM4QF | 8 | 61 | 2028-12-23 | — | Active |
| KM4QG | 7 | 61 | 1999-04-04 | 2001-04-05 | Available |
| KM4QH | 8 | 59 | 2029-02-03 | — | Active |
| KM4QI | 9 | 55 | 2009-04-01 | 2011-04-02 | Available |
| KM4QJ | 9 | 65 | 2029-05-13 | — | Active |
| KM4QK | 8 | 61 | 2029-07-06 | — | Active |
| KM4QL | 8 | 61 | 2009-02-23 | 2011-02-24 | Available |
| KM4QM | 7 | 59 | 2004-03-10 | 2006-03-11 | Available |
| KM4QN | 9 | 57 | — | — | Available |
| KM4QO | 8 | 63 | — | — | Available |
| KM4QP | 8 | 63 | 2009-03-24 | 2011-03-25 | Available |
| KM4QQ | 8 | 65 | 2020-04-03 | 2022-04-04 | Available |
| KM4QR | 9 | 59 | 2023-01-16 | 2025-01-17 | Available |
| KM4QS | 9 | 57 | 1997-09-17 | 1999-09-18 | Available |
| KM4QT | 8 | 55 | 1999-04-18 | 2001-04-19 | Available |
| KM4QU | 9 | 59 | 2008-12-23 | 2010-12-24 | Available |
| KM4QV | 8 | 61 | 2012-12-29 | 2014-12-30 | Available |
| KM4QW | 8 | 61 | 2034-05-17 | — | Active |
| KM4QX | 8 | 63 | 2008-12-16 | 2010-12-17 | Available |
| KM4QY | 8 | 65 | 2029-07-23 | — | Active |
| KM4QZ | 8 | 63 | 2008-12-14 | 2010-12-15 | Available |
| KM4RA | 9 | 51 | 2029-05-20 | — | Active |
| KM4RB | 9 | 55 | 2029-04-09 | — | Active |
| KM4RC | 9 | 57 | 2023-03-29 | 2025-03-30 | Available |
| KM4RD | 9 | 53 | — | — | Available |
| KM4RE | 9 | 47 | 2025-11-17 | — | Active (Vanity) |
| KM4RF | 9 | 55 | 2009-02-04 | 2011-02-05 | Available |
| KM4RG | 8 | 55 | 2019-01-26 | 2021-01-27 | Available |
| KM4RH | 9 | 53 | — | — | Available |
| KM4RI | 10 | 49 | 2000-07-24 | 2002-07-25 | Available |
| KM4RJ | 10 | 59 | 2034-04-05 | — | Active |
| KM4RK | 9 | 55 | 2036-03-03 | — | Active (Vanity) |
| KM4RL | 9 | 55 | 2029-05-03 | — | Active |
| KM4RM | 8 | 53 | 2027-04-01 | — | Active (Vanity) |
| KM4RN | 10 | 51 | 2028-06-01 | — | Active |
| KM4RO | 9 | 57 | 2029-01-31 | — | Active |
| KM4RP | 9 | 57 | 2024-07-26 | 2026-07-27 | Available |
| KM4RQ | 9 | 59 | — | — | Available |
| KM4RR | 10 | 53 | 2030-07-29 | — | Active |
| KM4RS | 10 | 51 | 2034-11-26 | — | Active (Vanity) |
| KM4RT | 9 | 49 | 2029-02-01 | — | Active (Vanity) |
| KM4RU | 10 | 53 | 2018-06-23 | 2020-06-24 | Available |
| KM4RV | 9 | 55 | 2021-01-26 | 2023-01-27 | Available |
| KM4RW | 9 | 55 | 2030-09-01 | — | Active |
| KM4RX | 9 | 57 | 2019-01-08 | 2021-01-09 | Available |
| KM4RY | 9 | 59 | 1999-05-09 | 2001-05-10 | Available |
| KM4RZ | 9 | 57 | 2032-10-12 | — | Active |
| KM4SA | 9 | 49 | 2022-12-22 | 2024-12-23 | Available |
| KM4SB | 9 | 53 | — | — | Available |
| KM4SC | 9 | 55 | — | — | Available |
| KM4SD | 9 | 51 | 2001-04-11 | 2003-04-12 | Available |
| KM4SE | 9 | 45 | — | — | Available |
| KM4SF | 9 | 53 | 2033-04-07 | — | Active (Vanity) |
| KM4SG | 8 | 53 | 2031-09-30 | — | Active (Vanity) |
| KM4SH | 9 | 51 | 2025-07-14 | — | Active (Vanity) |
| KM4SI | 10 | 47 | 2029-05-19 | — | Active |
| KM4SJ | 10 | 57 | 2012-01-23 | 2014-01-24 | Available |
| KM4SK | 9 | 53 | 2029-01-26 | — | Active |
| KM4SL | 9 | 53 | — | — | Available |