District 4
2x2 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| KZ4OE | 9 | 55 | 2033-11-21 | — | Active |
| KZ4OF | 9 | 63 | 2034-12-10 | — | Active |
| KZ4OG | 8 | 63 | 2034-12-10 | — | Active |
| KZ4OH | 9 | 61 | 2034-10-24 | — | Active |
| KZ4OI | 10 | 57 | 2034-11-14 | — | Active |
| KZ4OJ | 10 | 67 | 2034-12-12 | — | Active |
| KZ4OK | 9 | 63 | 2025-01-03 | 2027-01-04 | Canceled (grace period) |
| KZ4OL | 9 | 63 | 2034-10-25 | — | Active |
| KZ4OM | 8 | 61 | 2025-01-14 | 2027-01-15 | Canceled (grace period) |
| KZ4ON | 10 | 59 | 2033-04-27 | — | Active |
| KZ4OO | 9 | 65 | 2025-01-28 | 2027-01-29 | Canceled (grace period) |
| KZ4OP | 9 | 65 | 2034-12-10 | — | Active |
| KZ4OQ | 9 | 67 | 2034-12-17 | — | Active |
| KZ4OR | 10 | 61 | 2035-08-08 | — | Active |
| KZ4OS | 10 | 59 | 2025-01-07 | 2027-01-08 | Canceled (grace period) |
| KZ4OT | 9 | 57 | 2025-01-14 | 2027-01-15 | Canceled (grace period) |
| KZ4OU | 10 | 61 | 2034-12-19 | — | Active |
| KZ4OV | 9 | 63 | 2025-01-11 | 2027-01-12 | Canceled (grace period) |
| KZ4OW | 9 | 63 | 2025-01-11 | 2027-01-12 | Canceled (grace period) |
| KZ4OX | 9 | 65 | 2032-11-16 | — | Active |
| KZ4OY | 9 | 67 | 2026-02-27 | 2028-02-28 | Canceled (grace period) |
| KZ4OZ | 9 | 65 | 2031-09-17 | — | Active |
| KZ4PA | 9 | 59 | 2034-12-24 | — | Active |
| KZ4PB | 9 | 63 | 2034-12-27 | — | Active |
| KZ4PC | 9 | 65 | 2034-12-28 | — | Active |
| KZ4PD | 9 | 61 | 2034-12-28 | — | Active |
| KZ4PE | 9 | 55 | 2025-04-11 | 2027-04-12 | Canceled (grace period) |
| KZ4PF | 9 | 63 | 2025-03-08 | 2027-03-09 | Canceled (grace period) |
| KZ4PG | 8 | 63 | 2025-01-22 | 2027-01-23 | Canceled (grace period) |
| KZ4PH | 9 | 61 | 2025-12-12 | 2027-12-13 | Canceled (grace period) |
| KZ4PI | 10 | 57 | 2034-09-07 | — | Active |
| KZ4PJ | 10 | 67 | 2025-01-28 | 2027-01-29 | Canceled (grace period) |
| KZ4PK | 9 | 63 | 2034-12-10 | — | Active |
| KZ4PL | 9 | 63 | 2034-12-11 | — | Active |
| KZ4PM | 8 | 61 | 2034-04-11 | — | Active |
| KZ4PN | 10 | 59 | 2035-01-11 | — | Active |
| KZ4PO | 9 | 65 | 2025-02-01 | 2027-02-02 | Canceled (grace period) |
| KZ4PP | 9 | 65 | 2035-01-14 | — | Active |
| KZ4PQ | 9 | 67 | 2025-02-08 | 2027-02-09 | Canceled (grace period) |
| KZ4PR | 10 | 61 | 2034-09-24 | — | Active |
| KZ4PS | 10 | 59 | 2035-01-22 | — | Active |
| KZ4PT | 9 | 57 | 2025-03-01 | 2027-03-02 | Canceled (grace period) |
| KZ4PU | 10 | 61 | 2035-01-22 | — | Active |
| KZ4PV | 9 | 63 | 2034-10-30 | — | Active |
| KZ4PW | 9 | 63 | 2034-11-02 | — | Active |
| KZ4PX | 9 | 65 | 2025-03-11 | 2027-03-12 | Canceled (grace period) |
| KZ4PY | 9 | 67 | 2025-02-25 | 2027-02-26 | Canceled (grace period) |
| KZ4PZ | 9 | 65 | 2034-10-25 | — | Active |
| KZ4QA | 9 | 61 | 2035-02-04 | — | Active |
| KZ4QB | 9 | 65 | 2026-04-28 | 2028-04-29 | Canceled (grace period) |
| KZ4QC | 9 | 67 | 2034-08-22 | — | Active |
| KZ4QD | 9 | 63 | 2025-03-11 | 2027-03-12 | Canceled (grace period) |
| KZ4QE | 9 | 57 | 2035-02-11 | — | Active |
| KZ4QF | 9 | 65 | 2025-03-04 | 2027-03-05 | Canceled (grace period) |
| KZ4QG | 8 | 65 | 2025-03-08 | 2027-03-09 | Canceled (grace period) |
| KZ4QH | 9 | 63 | 2035-02-19 | — | Active |
| KZ4QI | 10 | 59 | 2031-10-28 | — | Active |
| KZ4QJ | 10 | 69 | 2030-06-15 | — | Active |
| KZ4QK | 9 | 65 | 2035-02-22 | — | Active |
| KZ4QL | 9 | 65 | 2034-08-16 | — | Active |
| KZ4QM | 8 | 63 | 2035-02-25 | — | Active |
| KZ4QN | 10 | 61 | 2035-02-25 | — | Active |
| KZ4QO | 9 | 67 | 2025-03-21 | 2027-03-22 | Canceled (grace period) |
| KZ4QP | 9 | 67 | 2025-03-21 | 2027-03-22 | Canceled (grace period) |
| KZ4QQ | 9 | 69 | 2035-02-15 | — | Active |
| KZ4QR | 10 | 63 | 2035-02-28 | — | Active |
| KZ4QS | 10 | 61 | 2034-12-03 | — | Active |
| KZ4QT | 9 | 59 | 2035-02-05 | — | Active |
| KZ4QU | 10 | 63 | 2025-03-25 | 2027-03-26 | Canceled (grace period) |
| KZ4QV | 9 | 65 | 2035-03-07 | — | Active |
| KZ4QW | 9 | 65 | 2035-03-08 | — | Active |
| KZ4QX | 9 | 67 | 2025-03-29 | 2027-03-30 | Canceled (grace period) |
| KZ4QY | 9 | 69 | 2035-03-11 | — | Active |
| KZ4QZ | 9 | 67 | 2035-03-11 | — | Active |
| KZ4RA | 10 | 55 | 2031-04-02 | — | Active (Vanity) |
| KZ4RB | 10 | 59 | 2028-11-27 | — | Active (Vanity) |
| KZ4RC | 10 | 61 | 2033-04-08 | — | Active |
| KZ4RD | 10 | 57 | 2034-05-14 | — | Active |
| KZ4RE | 10 | 51 | 2034-05-14 | — | Active |
| KZ4RF | 10 | 59 | 2034-02-06 | — | Active |
| KZ4RG | 9 | 59 | 2025-04-08 | 2027-04-09 | Canceled (grace period) |
| KZ4RH | 10 | 57 | 2034-12-24 | — | Active |
| KZ4RI | 11 | 53 | 2026-05-17 | — | Active |
| KZ4RJ | 11 | 63 | 2034-09-27 | — | Active |
| KZ4RK | 10 | 59 | 2035-03-19 | — | Active |
| KZ4RL | 10 | 59 | 2035-08-07 | — | Active |
| KZ4RM | 9 | 57 | 2025-04-22 | 2027-04-23 | Canceled (grace period) |
| KZ4RN | 11 | 55 | 2034-03-26 | — | Active |
| KZ4RO | 10 | 61 | 2035-03-15 | — | Active |
| KZ4RP | 10 | 61 | 2035-02-26 | — | Active |
| KZ4RQ | 10 | 63 | 2033-06-15 | — | Active |
| KZ4RR | 11 | 57 | 2036-01-10 | — | Active (Vanity) |
| KZ4RS | 11 | 55 | 2025-04-29 | 2027-04-30 | Canceled (grace period) |
| KZ4RT | 10 | 53 | 2035-03-04 | — | Active |
| KZ4RU | 11 | 57 | 2025-04-22 | 2027-04-23 | Canceled (grace period) |
| KZ4RV | 10 | 59 | 2024-10-26 | 2026-10-27 | Available |
| KZ4RW | 10 | 59 | 2034-10-23 | — | Active |
| KZ4RX | 10 | 61 | 2035-04-03 | — | Active |
| KZ4RY | 10 | 63 | 2034-01-23 | — | Active |
| KZ4RZ | 10 | 61 | 2025-05-09 | 2027-05-10 | Canceled (grace period) |