District 4
2x2 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| KZ4CQ | 9 | 67 | 2033-12-12 | — | Active |
| KZ4CR | 10 | 61 | 2033-01-12 | — | Active |
| KZ4CS | 10 | 59 | 2033-12-14 | — | Active |
| KZ4CT | 9 | 57 | 2036-10-07 | — | Active |
| KZ4CU | 10 | 61 | 2033-12-07 | — | Active |
| KZ4CV | 9 | 63 | 2033-12-15 | — | Active |
| KZ4CW | 9 | 63 | 2028-04-20 | — | Active (Vanity) |
| KZ4CX | 9 | 65 | 2026-05-27 | 2028-05-28 | Canceled (grace period) |
| KZ4CY | 9 | 67 | 2032-03-23 | — | Active (Vanity) |
| KZ4CZ | 9 | 65 | 2024-08-13 | 2026-08-14 | Available |
| KZ4DA | 9 | 55 | 2024-01-06 | 2026-01-07 | Available |
| KZ4DB | 9 | 59 | 2033-12-16 | — | Active |
| KZ4DC | 9 | 61 | 2024-08-16 | 2026-08-17 | Available |
| KZ4DD | 9 | 57 | 2033-12-23 | — | Active |
| KZ4DE | 9 | 51 | 2033-12-16 | — | Active |
| KZ4DF | 9 | 59 | 2036-09-30 | — | Active |
| KZ4DG | 8 | 59 | 2033-12-28 | — | Active |
| KZ4DH | 9 | 57 | 2033-11-23 | — | Active |
| KZ4DI | 10 | 53 | 2034-01-05 | — | Active |
| KZ4DJ | 10 | 63 | 2034-01-03 | — | Active |
| KZ4DK | 9 | 59 | 2034-01-11 | — | Active |
| KZ4DL | 9 | 59 | 2024-02-03 | 2026-02-04 | Available |
| KZ4DM | 8 | 57 | 2030-10-16 | — | Active (Vanity) |
| KZ4DN | 10 | 55 | 2033-11-29 | — | Active |
| KZ4DO | 9 | 61 | 2033-01-04 | — | Active |
| KZ4DP | 9 | 61 | 2034-01-17 | — | Active |
| KZ4DQ | 9 | 63 | 2036-03-08 | — | Active |
| KZ4DR | 10 | 57 | 2034-01-03 | — | Active |
| KZ4DS | 10 | 55 | 2034-01-23 | — | Active |
| KZ4DT | 9 | 53 | 2033-12-23 | — | Active |
| KZ4DU | 10 | 57 | 2024-02-23 | 2026-02-24 | Available |
| KZ4DV | 9 | 59 | 2024-02-27 | 2026-02-28 | Available |
| KZ4DW | 9 | 59 | 2034-02-06 | — | Active |
| KZ4DX | 9 | 61 | 2031-03-15 | — | Active (Vanity) |
| KZ4DY | 9 | 63 | 2033-08-24 | — | Active |
| KZ4DZ | 9 | 61 | 2025-05-30 | 2027-05-31 | Canceled (grace period) |
| KZ4EA | 9 | 49 | 2033-04-01 | — | Active |
| KZ4EB | 9 | 53 | 2027-06-16 | — | Active |
| KZ4EC | 9 | 55 | 2034-02-07 | — | Active |
| KZ4ED | 9 | 51 | 2034-02-14 | — | Active |
| KZ4EE | 9 | 45 | 2034-02-14 | — | Active |
| KZ4EF | 9 | 53 | 2028-07-31 | — | Active |
| KZ4EG | 8 | 53 | 2034-02-22 | — | Active |
| KZ4EH | 9 | 51 | 2034-02-22 | — | Active |
| KZ4EI | 10 | 47 | 2028-10-14 | — | Active |
| KZ4EJ | 10 | 57 | 2034-01-06 | — | Active |
| KZ4EK | 9 | 53 | 2033-12-16 | — | Active |
| KZ4EL | 9 | 53 | 2032-08-05 | — | Active |
| KZ4EM | 8 | 51 | 2033-11-28 | — | Active |
| KZ4EN | 10 | 49 | 2034-02-06 | — | Active |
| KZ4EO | 9 | 55 | 2024-06-01 | 2026-06-02 | Available |
| KZ4EP | 9 | 55 | 2031-11-01 | — | Active |
| KZ4EQ | 9 | 57 | 2024-08-20 | 2026-08-21 | Available |
| KZ4ER | 10 | 51 | 2033-06-02 | — | Active |
| KZ4ES | 10 | 49 | 2031-05-10 | — | Active |
| KZ4ET | 9 | 47 | 2035-09-19 | — | Active |
| KZ4EU | 10 | 51 | 2034-02-10 | — | Active |
| KZ4EV | 9 | 53 | 2026-11-04 | — | Active |
| KZ4EW | 9 | 53 | 2034-02-24 | — | Active |
| KZ4EX | 9 | 55 | 2029-05-14 | — | Active (Vanity) |
| KZ4EY | 9 | 57 | 2034-03-08 | — | Active |
| KZ4EZ | 9 | 55 | 2027-07-28 | — | Active (Vanity) |
| KZ4FA | 9 | 57 | 2033-10-07 | — | Active |
| KZ4FB | 9 | 61 | 2031-11-23 | — | Active |
| KZ4FC | 9 | 63 | 2029-08-20 | — | Active |
| KZ4FD | 9 | 59 | 2034-01-30 | — | Active |
| KZ4FE | 9 | 53 | 2027-11-21 | — | Active |
| KZ4FF | 9 | 61 | 2034-04-26 | — | Active |
| KZ4FG | 8 | 61 | 2034-03-13 | — | Active |
| KZ4FH | 9 | 59 | 2034-03-13 | — | Active |
| KZ4FI | 10 | 55 | 2034-03-15 | — | Active |
| KZ4FJ | 10 | 65 | 2034-04-30 | — | Active |
| KZ4FK | 9 | 61 | 2034-03-05 | — | Active |
| KZ4FL | 9 | 61 | 2022-06-19 | 2024-06-20 | Available |
| KZ4FM | 8 | 59 | 2024-09-21 | 2026-09-22 | Available |
| KZ4FN | 10 | 57 | 2033-08-01 | — | Active |
| KZ4FO | 9 | 63 | 2034-03-28 | — | Active |
| KZ4FP | 9 | 63 | 2024-11-22 | 2026-11-23 | Canceled (grace period) |
| KZ4FQ | 9 | 65 | 2033-10-17 | — | Active |
| KZ4FR | 10 | 59 | 2025-02-08 | 2027-02-09 | Canceled (grace period) |
| KZ4FS | 10 | 57 | 2024-10-16 | 2026-10-17 | Available |
| KZ4FT | 9 | 55 | 2034-04-04 | — | Active |
| KZ4FU | 10 | 59 | 2034-04-05 | — | Active |
| KZ4FV | 9 | 61 | 2034-02-09 | — | Active |
| KZ4FW | 9 | 61 | 2034-03-23 | — | Active |
| KZ4FX | 9 | 63 | 2034-03-16 | — | Active |
| KZ4FY | 9 | 65 | 2034-03-02 | — | Active |
| KZ4FZ | 9 | 63 | 2034-03-30 | — | Active |
| KZ4GA | 8 | 57 | 2034-03-14 | — | Active |
| KZ4GB | 8 | 61 | 2034-04-10 | — | Active |
| KZ4GC | 8 | 63 | 2034-04-10 | — | Active |
| KZ4GD | 8 | 59 | 2034-04-11 | — | Active |
| KZ4GE | 8 | 53 | 2024-04-30 | 2026-05-01 | Available |
| KZ4GF | 8 | 61 | 2034-04-11 | — | Active |
| KZ4GG | 7 | 61 | 2033-09-06 | — | Active |
| KZ4GH | 8 | 59 | 2034-01-17 | — | Active |
| KZ4GI | 9 | 55 | 2034-02-22 | — | Active |
| KZ4GJ | 9 | 65 | 2034-03-14 | — | Active |
| KZ4GK | 8 | 61 | 2036-01-16 | — | Active |
| KZ4GL | 8 | 61 | 2033-08-29 | — | Active |