District 4
2x2 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| WM4OU | 9 | 57 | — | — | Available |
| WM4OV | 8 | 59 | — | — | Available |
| WM4OW | 8 | 59 | — | — | Available |
| WM4OX | 8 | 61 | — | — | Available |
| WM4OY | 8 | 63 | — | — | Available |
| WM4OZ | 8 | 61 | — | — | Available |
| WM4PA | 8 | 55 | — | — | Available |
| WM4PB | 8 | 59 | — | — | Available |
| WM4PC | 8 | 61 | — | — | Available |
| WM4PD | 8 | 57 | — | — | Available |
| WM4PE | 8 | 51 | — | — | Available |
| WM4PF | 8 | 59 | — | — | Available |
| WM4PG | 7 | 59 | — | — | Available |
| WM4PH | 8 | 57 | — | — | Available |
| WM4PI | 9 | 53 | — | — | Available |
| WM4PJ | 9 | 63 | — | — | Available |
| WM4PK | 8 | 59 | — | — | Available |
| WM4PL | 8 | 59 | — | — | Available |
| WM4PM | 7 | 57 | — | — | Available |
| WM4PN | 9 | 55 | — | — | Available |
| WM4PO | 8 | 61 | — | — | Available |
| WM4PP | 8 | 61 | — | — | Available |
| WM4PQ | 8 | 63 | — | — | Available |
| WM4PR | 9 | 57 | — | — | Available |
| WM4PS | 9 | 55 | — | — | Available |
| WM4PT | 8 | 53 | — | — | Available |
| WM4PU | 9 | 57 | — | — | Available |
| WM4PV | 8 | 59 | — | — | Available |
| WM4PW | 8 | 59 | — | — | Available |
| WM4PX | 8 | 61 | — | — | Available |
| WM4PY | 8 | 63 | — | — | Available |
| WM4PZ | 8 | 61 | — | — | Available |
| WM4QA | 8 | 57 | — | — | Available |
| WM4QB | 8 | 61 | — | — | Available |
| WM4QC | 8 | 63 | — | — | Available |
| WM4QD | 8 | 59 | — | — | Available |
| WM4QE | 8 | 53 | — | — | Available |
| WM4QF | 8 | 61 | — | — | Available |
| WM4QG | 7 | 61 | — | — | Available |
| WM4QH | 8 | 59 | — | — | Available |
| WM4QI | 9 | 55 | — | — | Available |
| WM4QJ | 9 | 65 | — | — | Available |
| WM4QK | 8 | 61 | — | — | Available |
| WM4QL | 8 | 61 | — | — | Available |
| WM4QM | 7 | 59 | — | — | Available |
| WM4QN | 9 | 57 | — | — | Available |
| WM4QO | 8 | 63 | — | — | Available |
| WM4QP | 8 | 63 | — | — | Available |
| WM4QQ | 8 | 65 | — | — | Available |
| WM4QR | 9 | 59 | — | — | Available |
| WM4QS | 9 | 57 | — | — | Available |
| WM4QT | 8 | 55 | — | — | Available |
| WM4QU | 9 | 59 | — | — | Available |
| WM4QV | 8 | 61 | — | — | Available |
| WM4QW | 8 | 61 | — | — | Available |
| WM4QX | 8 | 63 | — | — | Available |
| WM4QY | 8 | 65 | — | — | Available |
| WM4QZ | 8 | 63 | — | — | Available |
| WM4RA | 9 | 51 | — | — | Available |
| WM4RB | 9 | 55 | 2027-08-18 | — | Active (Vanity) |
| WM4RC | 9 | 57 | — | — | Available |
| WM4RD | 9 | 53 | — | — | Available |
| WM4RE | 9 | 47 | — | — | Available |
| WM4RF | 9 | 55 | — | — | Available |
| WM4RG | 8 | 55 | — | — | Available |
| WM4RH | 9 | 53 | — | — | Available |
| WM4RI | 10 | 49 | — | — | Available |
| WM4RJ | 10 | 59 | — | — | Available |
| WM4RK | 9 | 55 | — | — | Available |
| WM4RL | 9 | 55 | — | — | Available |
| WM4RM | 8 | 53 | 2011-06-03 | 2013-06-04 | Available |
| WM4RN | 10 | 51 | — | — | Available |
| WM4RO | 9 | 57 | — | — | Available |
| WM4RP | 9 | 57 | — | — | Available |
| WM4RQ | 9 | 59 | — | — | Available |
| WM4RR | 10 | 53 | — | — | Available |
| WM4RS | 10 | 51 | 2036-10-03 | — | Active (Vanity) |
| WM4RT | 9 | 49 | 2032-11-14 | — | Active (Vanity) |
| WM4RU | 10 | 53 | — | — | Available |
| WM4RV | 9 | 55 | — | — | Available |
| WM4RW | 9 | 55 | 2029-02-22 | — | Active (Vanity) |
| WM4RX | 9 | 57 | — | — | Available |
| WM4RY | 9 | 59 | 2029-01-27 | — | Active (Vanity) |
| WM4RZ | 9 | 57 | — | — | Available |
| WM4SA | 9 | 49 | — | — | Available |
| WM4SB | 9 | 53 | — | — | Available |
| WM4SC | 9 | 55 | 2013-02-02 | 2015-02-03 | Available |
| WM4SD | 9 | 51 | — | — | Available |
| WM4SE | 9 | 45 | — | — | Available |
| WM4SF | 9 | 53 | — | — | Available |
| WM4SG | 8 | 53 | 2022-04-16 | 2024-04-17 | Available |
| WM4SH | 9 | 51 | — | — | Available |
| WM4SI | 10 | 47 | — | — | Available |
| WM4SJ | 10 | 57 | — | — | Available |
| WM4SK | 9 | 53 | — | — | Available |
| WM4SL | 9 | 53 | — | — | Available |
| WM4SM | 8 | 51 | — | — | Available |
| WM4SN | 10 | 49 | — | — | Available |
| WM4SO | 9 | 55 | — | — | Available |
| WM4SP | 9 | 55 | — | — | Available |